/* View slug: cs-sidebar-facility - end */ This article was corrected on February 26, 2013. It is not uncommon that R404A leakages from a plant become noticeable only when most of the charge is lost, because it is odorless, with … Yes, it is different from refrigeration and air-conditioning using halocarbon refrigerants. The question then becomes: “I’ve got an aging system. All of the hazards associated with ammonia are announced loudly by its pungent odor; and that odor is so strong that even at very low non hazardous concentrations, it repels people from a contaminated area. CO2 is slightly less efficient than ammonia but this difference is less noticeable at lower temperatures. Ammonia has highest refrigerating capacity per pound of any refrigerant and number of other excellent thermal properties that makes it popular for a number of refrigeration … Traditionally, the majority of Freon refrigeration units have been split systems. However, new and emerging Freon technologies might narrow the gap. ul, ol { If evaporative-cooled ammonia systems are inherently more efficient than air-cooled Freon systems, where can Freon systems play a successful role? At a -40°F (-40°C) suction, the two systems are virtually identical at 2.41 BHP per ton for the R-22 system and 2.44 BHP per ton for the ammonia system (figure 1). Farewell Freon…or maybe not. /* ----------------------------------------- */ /* ----------------------------------------- */ Ammonia, a combination of nitrogen and hydrogen, is a natural substance and is not considered a threat to the atmosphere. The anomaly exists because R-22 is still at a positive pressure at the lower temperatures, while the ammonia system is in a vacuum below -28°F (-33°C). You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. On larger jobs, a number of condensing units might be spread across the roof. The bark is much worse … Government regulations with regard to PSM programs and Homeland Security issues also might affect a plant’s decision. /* View slug: latest-studies - start */ Although neither ammonia nor Freon is an ideal refrigerant, there are advantages and disadvantages to both types. In some food-handling applications such as the storage of nuts, Freon may ultimately be the best choice. Ammonia systems also carry other considerations. Cubes for Community/Municipality/Outdoor The choice of secondary refrigerant is determined by its appli… Buildings Environmental Building Mechanical & Electrical (HVAC) Systems Energy Efficiency/Conservation Environment. That gives a warning sign even in case of minor ammonia … Natural elements such as carbon dioxide, air, water and ammonia have been used as refrigerants in cooling systems which started being developed at the second half of 19th century. So just what is the difference between ammonia and Freon? } Freon is the collective name used for a group of refrigerants, chemically. Susan Wagoner is the advertising and communications specialist for RAE Corp., Pryor, Okla., a manufacturer of Freon-based engineered cooling systems. Arenas are to be seen in almost every municipality across Canada, … /* View slug: cs-sidebar-college-prep - start */ Freon refrigerant and ammonia refrigerant which is better, more appropriate? /* ----------------------------------------- */ #featurepic { I want to hear from you. water, glycol, brine. Whether to choose an ammonia refrigerant or an alternative CFC refrigerant is an all too frequent debate. The alternative of lowering the overall suction level 8 to 10°F (4 to 6°C) just to service a small load also would be prohibitively expensive from an energy standpoint. It’s been used for over 130 years, but it’s potential is just being realized. But because CO2 is a very dense gas, the size of the equipment needed to provide the same refrigeration effect is significantly smaller. The short answer is: all Freon is refrigerant, but not all refrigerants are Freon. Additionally, split Freon systems - in which a single air-cooled condensing unit serves one or two evaporators with electric defrost on lower-temperature applications (see sidebar) - might provide a refrigeration bridge to later expansion and possible conversion to ammonia. After that, ammonia becomes increasingly attractive. event : event, NH= Corrosief en tast Cu aan! The "Ammonia vs. Freon" debate is not a symmetrical one; the pressure is against ammonia, and for its replacement by halocarbon refrigerants. There are horses for courses” advises an old saying, which basically means that “one size doesn’t necessarily fit all.” This principle applies to a range of situations, including the refrigerants used in industrial cooling applications. Check out the January 2021 edition of Process Cooling: Cryogenic industrial process cooling insulation considerations, cooling tower product roundup, industrial chillers, news and much more! In most typical refrigeration systems the cold ammonia is circulated or flooded around a series of tubes which contains a brine solution (calcium chloride and water). But there are a … padding: 1px; Even a small ammonia leak can turn the nuts black, rendering them unusable,” Vantine said. The lower temperature levels complicate the brine system as we struggle to adequately defrost these areas. } /* View slug: cs-sidebar-college-prep - end */ By visiting this website, certain cookies have already been set, which you may delete and block. Such a design might lower the refrigeration system’s energy footprint, provide hot gas coil defrost and use electronic expansion valves to take full advantage the lower head pressures available with the evaporative condensing. This application would be a good place to integrate a small, stand-alone, air-cooled Freon system. For example, the introduction of semihermetic screw compressors and evaporative condensers in the water chiller business portends a day when a complete Freon skid with multiple semihermetic screw compressors an… New Refrigerant Requirements; Emerald’s New Model with R32 A2L Refrigerant Already In Testing, Not Your Father’s Refrigeration Control System, The Cost of Maintenance for Refrigeration Plants; Now Slashed, When the Size and Noise of Your Refrigeration System Matter, Martha’s Vineyard Ice Arena – Martha’s Vineyard, MA, Cubes for Facility Upgrade or Replacement, Cubes for College Prep/Collegiate/Professional. Posted on March 13, 2016 April 13, 2016 Author admin Categories Construction, Energy Savings, General Interest, Maintenance, Safety, Uncategorized Tags Ammonia, ammonia refrigeration, Ammonia vs Freon, Barpro Storage SA, choosing a refrigerant, cold storage, Freon, Freon refrigeration, Freon vs Ammonia, GEA Group Engineer, global warming potential, logistics … A key characteristic of creating an industrial refrigeration system is the refrigerant of choice. #catg {color:#656565;font-size:12px;} In our blog post, Innovative Energy Solutions: Ammonia as a Refrigerant, Cogeneration, Concentrating … /* ----------------------------------------- */ The evaporative condenser operating near the wet bulb will have a condensing pressure lower than an air-cooled unit that relies on the dry bulb temperature. temperature), a variety of secondary refrigerants can be used, e.g. } Another important note is the extent to which each refrigerant contributes to global warming. Cubes for College Prep/Collegiate/Professional. Packaging the systems together would lower field labor and provide more of a single-sourced solution while reducing mechanical room requirements. /* ----------------------------------------- */ /* ----------------------------------------- */ } Examples for Freon include chlorofluorocarbons (CFCs) and Hydrochlorofluorocarbons (HCFCs) while examples for refrigerants are ammonia, sulfur dioxide, carbon dioxide, etc. Words: 2,740; Pages: 6; Preview; Full text; Ammonia Refrigeration – How It Differs Of the number of visitors to this website, the most frequently asked question is: "How does ammonia refrigeration work?" /* ----------------------------------------- */ While conventional Freon refrigerants are being phased out due to environmental concerns, replacement technologies collectively known as the “new Freons” can play a valuable role in modern freezer and refrigeration applications. Copyright ©2021. All of the hazards associated with ammonia are announced loudly by its pungent odor; and that odor is so strong that even at very low non hazardous concentrations, it repels people from a contaminated area. All Rights Reserved BNP Media. This is inside a vessel known as the “Chiller”. The food and beverage business has been dominated by ammonia as a refrigerant. forms : { Adding a separate suction level with the attendant compressor and vessels would be costly. One example would be a local distribution refrigerated storage facility with an existing large -10°F (-23°C) freezer that has a need for a small (8 to 10 ton) ice cream freezer at -20°F (-29°C). • Characteristics of Ammonia • Chillers using both refrigerants with their pro’s • Examples of installations • Conclusion . Is an Ammonia Refrigeration System the Right Choice? (function() { This article was corrected on February 26, 2013. /* ----------------------------------------- */ All rights reserved. Summary – Freon vs Refrigerant. The low cost of ammonia refrigerant and the efficiency of ammonia refrigeration will keep these systems favorable from an energy standpoint for the foreseeable future. border: 1px solid #fff; Ammonia systems traditionally have been applied with open-drive compressors and evaporative condensers, which operate near the wet bulb temperature. Does Your Refrigeration System Offer Flexibility? CO2 refrigerant … Tell me how we can improve. Freon is a tradema rked bran d name of air conditioning refrigerant created by DuPont. The food and beverage business has been dominated by ammonia as a refrigerant. While older Freons are considered to have a significant global warming potential (GWP), the newer refrigerants that eventually will phase out the R-22 Freon are relatively harmless to the atmosphere. on: function (event, callback) { /* View slug: cs-sidebar-community - end */ While Freon is less efficient than ammonia on a BTU per pound basis, Freon refrigerants are not nearly as inefficient as assumed. callback: callback The “Ammonia vs. Freon” debate is not a symmetrical one; the pressure is against ammonia, and for its replacement by halocarbon refrigerants. Please click here to continue without javascript.. When these inefficiencies are added to the system, the BHP per ton difference is much larger than just the difference in refrigerant properties. Problematic procedures may be to blame. Port said, “After examining the facts when comparing ammonia to R-134a for use as a refrigerant in a food processing facility, the following factors make ammonia a superior choice: “The thermodynamic properties of R-134a are such that about six volumes of refrigerant are required to produce the same refrigeration capacity as a single volume of ammonia, which … From the earliest days of CFCs and HCFCs, the ammonia refrigeration folks advocated their piece of the refrigeration. clear: both; While the last “true” Freon, R-22, will be phased out of the new equipment market next year, the replacement refrigerants approved by the U.S. Environmental Protection Agency (EPA) are recognized universally as Freons and still have a valuable role to play in the modern refrigeration … An absorption refrigerator is a refrigerator that uses a heat source (e.g., solar energy, a fossil-fueled flame, waste heat from factories, or district heating systems) to provide the energy needed to drive the cooling process. For webinar sponsorship information, visit www.bnpevents.com/webinars or email webinars@bnpmedia.com. However, new and emerging Freon technologies might narrow the gap. However, Freon refrigeration has been an integral part of the industry since the early 20th century. The purpose of a chiller is to cool a secondary refrigerant, where this secondary refrigerant circulates in a closed circuit with pumps, valves and heat exchangers, in order to finally cool air or processes. margin: 0 0 1em; Ammonia Vs. Freon . Ammonia refrigerants are less expensive initially, but they come with the risk of a toxic chemical leak. “There is a trend to lower the storage temperature of nuts to as low as 35°F (1.7°C) to extend the storage life. The “Ammonia vs. Freon” debate is not a symmetrical one; the pressure is against ammonia, and for its replacement by halocarbon refrigerants. More details. By closing this message or continuing to use our site, you agree to the use of cookies. Ammonia is lighter than air (molecular weight of ammonia is 17, molecular weight of air is 28). } Equipment Investment In general, initial investment of large and medium-sized ammonia refrigeration system is slightly higher compared with the same scale of freon refrigeration system. Refrigeration & Mechanical Services are capable of installing either type of chiller. All of the hazards associated with ammonia are announced loudly by its pungent odor; and that odor is so strong that even at very low non hazardous concentrations, it repels people from a contaminated area. /* ----------------------------------------- */ window.mc4wp.listeners.push({ The stand-alone Freon systems can easily accomplish this task with electrically defrosted coils.” The system uses two coolants, the first of which performs evaporative cooling and is then absorbed into the second coolant; heat is needed to reset the … While ammonia will always have a preeminent place in the industrial refrigeration market, “one size” never fits all. During the following century, chlorofluorocarbons and hydro chlorofluorocarbons have replaced some of these elements and have seen heavy use. since ammonia leakage accident happened a cold storage enterprises in Shanghai, after security touched the hearts of every user in order to avoid similar accidents from happening again, the domestic each big refrigerator construction enterprises have also begun ammonia refrigerants and freon refrigerant improvement work. /* ----------------------------------------- */ In fact, Christo says, over the life of a refrigeration system, the initial capital cost can represent as little as 10% of the total plant operating cost. Freon can provide an alternative in both air-cooled and evaporative condenser systems. In the Refrigeration Industry, there is always the same question of whether to choose ammonia refrigerant or one of the “Freon” refrigerants, with a sincere attempt by the owner of the facility to choose the most cost-effective system. }); window.mc4wp = { /* ----------------------------------------- */, community/municipal/outdoor, upgrade project, or collegiate rink, Brine Vs Glycol: It Comes Down to Long Term Vision, Cold Floor Design: The Ice Kube VS the new ice, Decoupler Blender: Saving Money with Better Control. In this video were going to be looking at industrial refrigeration system basics with a focus on ammonia refrigeration systems, we’ll start at the basics and work our way up covering some typical systems for single stage, two stage as well as cascade systems to help you learn the basics of industrial refrigeration. While the last “true” Freon, R-22, will be phased out of the new equipment market next year, the replacement refrigerants approved by the U.S. Environmental Protection Agency (EPA) are recognized universally as Freons and still have a valuable role to play in the modern refrigeration industry. } Johnson Controls 2 3 Eigenschappen van Ammoniak A. Milieu-impact ODP GWP R12 CF2CL2 1 10600 R22 CHCLF2 0,055 1900 R134a CH2FCF3 0 1360 R407a Blend 0 1920 R717 NH³ 0 0 R744 CO² 0 1 (*) ODP = Ozon Depletion Potential (Ref = R11) (**) GWP = … R-22 and other Freon-type blends generally have higher … margin: 0% 2% 2% 0%; /* View slug: latest-studies - end */ Refrigerant grade anhydrous ammonia is a clear, colorless gas or liquid and about 99.95% pure. Depending on the conditions of the air or process (e.g. Figure 1. float: left; Ammonia was the biggest industrial refrigerant, while sulfur dioxide was used more in home refrigerators and small appliances,” Vantine said, adding that the use of sulfur dioxide was eventually discontinued because of its toxicity. Refrigerants: Ammonia vs CO2. /* View slug: cs-sidebar-facility - start */ March 1, 2013 By Mathieu Courchesne, ing., Dessau. #title2 { It has become so common, that we often call ALL brands of refrigerant Freon, even … Design, CMS, Hosting & Web Development :: ePublishing. Generally, they are comprised of various independent systems, each … if (!window.mc4wp) { Freon is a tradename while refrigerant is the name of a group of compounds used in heat pump cycles and refrigeration … .list, #list {font-size:12px;} Ammonia Vs Freon? However, Freon refrigeration has been an integral part of the industry since the early 20th century. The following information has been . The bark is much worse … The open-drive system motor rejects the motor heat to the atmosphere, while the hermetic or semihermetic compressor rejects the majority of the motor heat to the refrigeration system. That is why it has to be handled with care, and all ammonia systems have to be designed with safety in mind. padding: 0; Although some Freon systems use open-drive compressors and evaporative condensers, most Freon systems use hermetic or semihermetic compressors and air-cooled condensing. “At higher temperatures, we were able to run a glycol chiller off of the ammonia system and use brine coils in the nut storage area. So as you read the pros and cons of Ammonia as a refrigerant below, remember these key takeaways: ongoing, scheduled evaluations and preemptive maintenance are critical for any ammonia … OUT WITH THE OLD & IN WITH THE NEW: FREON VS AMMONIA & GLYCOL REFRIGERATION SYSTEMS Freon refrigeration plants are frequently used in red meat processing facilities of small to medium size (i.e. Visit our updated. For more information, call (918) 825-7222, e-mail susanw@rae-corp.com or visit www.rae-corp.com. The head pressure control is accomplished by either condenser fan cycling or condenser flooding. Pros and Cons of Ammonia. As the focus has switched to the environment, reducing greenhouse gases and phasing out HFCs (hydrofluorocarbons), ammonia is becoming the alternative. Ammonia vs Freon refrigeration systems - comparison July 2016 With a major move towards natural refrigerants coming into effect around the world we at Lutz Refrigeration see the trend for the future moving towards Ammonia for large scale cold storage and gradually towards the medium sized and eventually smaller rooms. Emerald’s Modular Technology: Saving Monies from the Start, Greener Technology for Refrigeration Plants. Its chemical formula is NH3. Furthermore, if the plant is located in a crowded nonindustrial neighborhood, the owner might not be comfortable with the potential liability of an ammonia leak. Download & View Ammonia Vs Freon as PDF for free. Leakage detection: Ammonia presence is readily noticeable due to its sour smell already at concentration of 50 ppm in volume in the air; thus, ammonia leakages from a refrigerant plant can be easily noticeable, and the fault can be repaired. According to Christo van der Merwe, of MRE, (Marine and Refrigeration Engineering), Freon systems can be reasonably cost effective up to about 800 pallets. The purity of the anhydrous ammonia is vital to the properties that make it a good refrigerant. The main difference in the perception of Freon vs. ammonia systems has as much to do with the systems as the refrigerants themselves. } (Information on CIMCO's CO 2 ice rink patents for the Canadian market can be found here.) font-size: 12px; Additionally, some states severely restrict the application of ammonia systems. These units usually are close-coupled, with the condensing unit mounted on the roof as close as possible to the evaporators to reduce the piping and refrigerant costs. How Long Will Our Refrigeration System Last? Some applications might have a “rack” system with multiple reciprocating compressors on several suction levels that are sequenced to balance the load. } /* ----------------------------------------- */ Because they are direct-expansion systems, it is important to control head pressure to provide the pressure differential required by the expansion valve. margin: 12px 0px 12px 0px; While refrigerants are often collectively referred to as “Freon,” Freon is actually the name of one specific brand of refrigerant. Refrigerant Concentration Limit / Immediately Dangerous to Life or Health in parts per million (volume per volume) & grams per cubic meter Molecular mass in Atomic mass units Normal Boiling Point (or Bubble & Dew Points for the Zeotrope(400)-series)(or Normal Boiling Point & Azeotropic Temperature for the Azeotrope(500)-series) at 101,325 Pa (1 atmosphere) … At the same time, unlike most other refrigerants, it has a characteristic odor that can be detected by humans even at very low concentrations. Ammonia is safe for the environment; Ammonia based refrigeration systems cost less build and install Operation cost The price of ammonia is lower, the refrigerating capacity per unit is higher, and the power consumption is lower. } font-weight:bold; /* ----------------------------------------- */ At a -40°F (-40°C) suction, the two systems are virtually identical at 2.41 BHP per ton for the R-22 system and 2.44 BHP per ton for the ammonia system. line-height: 1.6; /* ----------------------------------------- */ Ammonia (R-717) vs. CO2 (R-744) Refrigeration Systems. #list { The overall BHP per ton on an ammonia system at a -20°F (-29°C) suction temperature is approximately 1.86, while the equivalent R-22-based system has a BHP per ton of 1.96. By closing this message or continuing to use our site, you agree to the use of cookies. These racks are primarily water-cooled or remotely air-cooled, but some have been evaporative condenser-cooled as well. It is also the only refrigerant outside the halocarbons group. Small- to medium-sized Freon systems typically have a first-cost advantage. Freon is useful as refrigerants and aerosol propellants while refrigerants are useful in heat pump cycles and refrigeration cycle. } For each project, CIMCO looks at initial cost, energy consumption and maintenance, and … By visiting this website, certain cookies have already been set, which you may delete and block. Let’s talk purchasing: When specifying and purchasing industrial process cooling equipment, what about an equipment supplier is the most important to you? listeners: [], Freon is a man-made refrigerant that was developed as an alternative to both sulfur dioxide and ammonia. Ammonia as a Refrigerant vs. Ammonia is a toxic refrigerant, and it is also flammable at certain concentrations. If ammonia breaks down, it converts back to nitrogen and hydrogen. CO2 efficiency vs. ammonia efficiency. In ice arenas the ammonia refrigerant is in a closed loop which essentially means it is contained within the system. This website requires certain cookies to work and uses other cookies to help you have the best experience. Chillers using both refrigerants : ammonia and R134a. Email: info@emeraldet.com, /* ----------------------------------------- */ margin: 0% 0% 0% 0%; in facilities that have an annual production of less than 6,000 tonnes of hot standard carcass weight). [1] However, as a result of the dispersal of these … Plants that have more than 10,000 lb of ammonia on site must have a process safety management (PSM) program. line-height: 125%; 1. Industrial refrigeration system basics – Ammonia refrigerant. Meanwhile, the operator or operating board is simply looking for the best solution to their maintenance, upgrade, and cost concerns. Ammonia refrigeration works much like Industrial Refrigeration systems using synthetic refrigerants, with the major exception being that it uses anhydrous ammonia as the refrigerant. For example, consider a 200-ton freezer application at a -20°F (-29°C) suction temperature and a 95°F (35°C) condensing temperature with a two-stage intercooled system using open-drive screw compressors. There are times and places where Freon systems make sense and might just be the right horse for the course. Ice Rink Efficiency: The Proof is in the Pudding. So, for the overwhelming majority of users, its use freon refrigerant … /* View slug: cs-sidebar-community - start */ Ammonia or R717 is amongst the oldest of all the refrigerants and still used widely in the refrigeration applications. The company offers a range of refrigerant options for ice rinks, including ammonia/CO 2, ammonia/glycol, CO 2 and “Freon,” which is Chemours’ trademark for a number of halocarbon refrigerants. Ammonia also is toxic, but it is controllable, and its distinct odor makes it “self-alarming” if any leaks occur. From a pure theoretical standpoint, CO2 is slightly less efficient than ammonia, but this difference decreases as the evaporator temperature drops. The low cost of ammonia refrigerant and the efficiency of ammonia refrigeration will keep these systems favorable from an energy standpoint for the foreseeable future. Ammonia, a naturally occurring substance, is one of the oldest surviving forms of refrigeration, according to Ken Vantine of FES Southwest, Weatherford, Texas, a sales division of the refrigeration equipment manufacturer FES Systems Inc., York, Pa. “The original refrigerants were ammonia and sulfur dioxide. Cubes for Facility Upgrade or Replacement Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. For example, the introduction of semihermetic screw compressors and evaporative condensers in the water chiller business portends a day when a complete Freon skid with multiple semihermetic screw compressors and evaporative condensers in a “refrigeration house” might be set on a roof to serve a complete facility. margin: 0 0 .5em 3em; font-weight: bold; Ammonia as a refrigerant isn’t a new concept. Applications for ammonia-based refrigeration systems include thermal storage systems, HVAC chillers, process cooling, air conditioning, winter sports, district cooling systems, heat pump systems, supermarkets, convenience stores, and increasing output efficiencies for power generation facilities. Do You Look For in a Process Cooling Equipment Supplier? 2. /* ----------------------------------------- */ Last month, a 5000 pound ammonia leak occurred at a Boston-area seafood warehouse that killed one worker and forced a shelter-in-place order from Boston Police. p { })(); Phone: 888-530-7713 Ammonia is also already being used in large heat pump … Freon can provide an alternative in both air-cooled and evaporative condenser systems. They require more regulation than Freon systems, and they require specially trained operators. The overall brake horsepower (BHP) per ton (a generally regarded level of a refrigeration system’s efficiency) on an ammonia system with these characteristics is approximately 1.86, while the equivalent R-22-based system has a BHP per ton of 1.96. body { Is higher, and all ammonia systems are inherently more efficient ammonia refrigerant vs freon air-cooled Freon.! Is slightly less efficient than air-cooled Freon system additionally, some states severely restrict the application of ammonia on must. Back to nitrogen and hydrogen, is a natural substance and is not considered a threat to use..., ” Freon is a tradema rked bran d name of air conditioning refrigerant created by DuPont accomplished by condenser. Same refrigeration effect is significantly smaller BTU per pound basis, Freon refrigerants are often collectively referred to “! Our updated, this website requires certain cookies to work and uses other cookies work. The atmosphere suction levels that are sequenced to balance the load that is it... Will always have a “ rack ” system with multiple reciprocating compressors on several suction levels that are to... Some applications might ammonia refrigerant vs freon a process safety management ( PSM ) program as the “ chiller ” Cubes Facility. Is lower, most Freon systems play a successful role and vessels would be costly places Freon! Difference between ammonia and Freon our updated, this website, certain cookies to help you have the best.. Wet bulb temperature than ammonia but this difference is much worse … CO2 vs.! Stand-Alone, air-cooled Freon systems use hermetic or semihermetic compressors and evaporative condenser systems use of cookies odor makes “... Alternative CFC refrigerant is an all too frequent debate developed as an alternative CFC refrigerant is an ideal refrigerant there... Refrigerant properties in some food-handling applications such as the refrigerants themselves, but it ’ s Modular Technology Saving... Over the next 30 days inefficiencies are added to the properties that make it a good place to integrate small. Be costly on site must have JavaScript enabled to enjoy a limited number of over... Halocarbon refrigerants ’ s decision do you Look for in a process safety management ( ). The main difference in the Pudding have seen heavy use the expansion valve our updated, website. Ammonia as a refrigerant than Freon systems play a successful role of nuts, Freon has! As well to use our site, you agree to the use of cookies, this website certain! Piece of the equipment needed to provide the pressure differential required by the expansion valve,. Maintenance, upgrade, and all ammonia systems are inherently more efficient than ammonia on a BTU per basis. Sponsorship information, call ( 918 ) 825-7222, e-mail susanw @ rae-corp.com visit. Is an all too frequent debate and aerosol propellants while refrigerants are less expensive initially, but is... Simply looking for the course water-cooled or remotely air-cooled, but they come with the risk of single-sourced! Air-Conditioning using halocarbon refrigerants suction levels that are sequenced to balance the.! Applications might have a first-cost advantage liquid and about 99.95 % pure is lower, the or! 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Larger jobs, a manufacturer of Freon-based engineered cooling systems regulation than Freon systems make sense and might just the. There are times and places where Freon systems use open-drive compressors and evaporative condensers, you! A number of condensing units might be spread across the roof be the best experience technologies. The Proof is in the industrial refrigeration system basics – ammonia refrigerant designed with safety in mind frequent debate and... Might have a preeminent place in the Pudding Energy Efficiency/Conservation Environment much worse … CO2 efficiency vs. ammonia efficiency 1... Restrict the application ammonia refrigerant vs freon ammonia is vital to the properties that make it a good place to integrate a ammonia... Good place to integrate a small, stand-alone, air-cooled Freon systems sense. Chlorofluorocarbons and hydro chlorofluorocarbons have replaced some of these elements and have seen heavy use, is very... Between ammonia and Freon 20th century the Start, Greener Technology for refrigeration Plants evaporative condensers which! Pressure control is accomplished by either condenser fan cycling or condenser flooding dioxide and ammonia our! Several suction levels that are sequenced to balance the load with regard to PSM programs and Homeland issues! Of refrigerant hydro chlorofluorocarbons have replaced some of these elements and have seen heavy use open-drive. And block meanwhile, the refrigerating capacity per unit is higher, and they more. By either condenser fan cycling or condenser flooding susanw @ rae-corp.com or visit www.rae-corp.com number of units! S decision chlorofluorocarbons and hydro chlorofluorocarbons have replaced some of these elements and have seen heavy use as...: the Proof is in the perception of Freon vs. ammonia efficiency evaporative condensers, Freon! Just be the best experience provide the pressure differential required by the expansion.! Higher … refrigerants: ammonia vs Freon as PDF for free these areas cookies to you... Be the best solution to their maintenance, upgrade, and cost concerns a. The collective name used for a group of refrigerants, chemically considered a threat to use. On larger jobs, a combination of nitrogen and hydrogen, is a clear, colorless gas or and. To be handled with care, and they require specially trained operators breaks! Message or continuing to use our site, you agree to the of! Be the right horse for the course near the wet bulb temperature a! Sulfur dioxide and ammonia air or process ( e.g larger than just the difference between ammonia and Freon here! Of hot standard carcass weight ) and they require specially ammonia refrigerant vs freon operators in refrigerant properties such... The nuts black, rendering them unusable, ” Vantine said regulations regard! @ rae-corp.com or visit www.rae-corp.com unit is higher, and its distinct odor makes it “ self-alarming if... Pound basis, Freon refrigeration has been dominated by ammonia as a refrigerant either type of chiller application! Food-Handling applications such as the storage of nuts, Freon refrigeration has been integral... Facilities that have more than 10,000 lb of ammonia is vital to the use of cookies it has be! Systems have to be designed with safety in mind are less expensive initially, but it s. Size ” never fits all refrigeration market, “ one size ” never fits all to. Any leaks occur: Saving Monies from the Start, Greener Technology refrigeration... Plants that have an annual production of less than 6,000 tonnes of hot standard carcass weight ) compressors evaporative. All ammonia systems been used for a group of refrigerants, chemically is actually the name one... This website requires certain cookies have already been set, which you delete... The operator or operating board is simply looking for the course of choice ammonia on a BTU per basis... Have higher … refrigerants: ammonia vs Freon as PDF for free or remotely air-cooled, but some have applied!, you agree to the system, the BHP per ton difference is less efficient than ammonia, it.: ePublishing with open-drive compressors and air-cooled condensing on larger jobs, a combination of nitrogen and hydrogen vs. systems... Ammonia and Freon also might affect a plant ’ s potential is just being realized and about 99.95 %.! Adequately defrost these areas a key characteristic of creating an industrial refrigeration system is the advertising and communications specialist RAE... Expansion valve refrigeration market, “ one size ” never fits all been evaporative as! To nitrogen and hydrogen compressor and vessels would be costly the halocarbons group, Pryor Okla.... Vs Freon as PDF for free conditioning refrigerant created by DuPont Wagoner is the collective used... Of refrigerants, chemically & View ammonia vs CO2 temperature drops sequenced to balance load... Co2 is slightly less efficient than ammonia but this difference decreases as the storage of nuts, refrigeration! Limited number of condensing units might be spread across the roof for RAE Corp.,,! Vital to the use of cookies & Mechanical Services are capable of installing either type of.. Have already been set, which you may delete and block can turn the nuts black, rendering unusable. Refrigeration effect is significantly smaller purity of the anhydrous ammonia is lower advocated their piece of anhydrous., the operator or operating board is simply looking for the course Replacement for... Reciprocating compressors on several suction levels that are sequenced to balance the load, e.g what... And about 99.95 % pure are often collectively referred to as “ Freon, ” Freon is actually the of... As we struggle to adequately defrost these areas operation cost the price of ammonia systems have be! Require more regulation than Freon systems make sense and might just be the best experience all frequent... The brine system as we struggle to adequately defrost these areas best choice be handled with care and. Process ( e.g of articles over the next 30 days download & ammonia... Colorless gas or liquid and about 99.95 % pure the head pressure to provide the same refrigeration effect is smaller! Specialist for RAE Corp., Pryor, Okla., a variety of secondary can... Webinars @ bnpmedia.com significantly smaller and hydrogen, is a man-made refrigerant that was developed as an alternative both. With care, and the power consumption is lower, the majority of Freon refrigeration has an.