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Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. Similar...

Refrigerant reclamation is the act of processing used refrigerant gas which has previously been used in some type of refrigeration loop such that it meets...

A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated...

This is a list of refrigerants, sorted by their ASHRAE-designated numbers, commonly known as R numbers. Many modern refrigerants are human-made halogenated...

formula C2H4F2. This colorless gas is used as a refrigerant, where it is often listed as R-152a (refrigerant-152a) or HFC-152a (hydrofluorocarbon-152a). It...

Heat recovery ventilation (HRV), also known as mechanical ventilation heat recovery (MVHR) or energy recovery ventilation (ERV), is a ventilation system...

A materials recovery facility, materials reclamation facility, materials recycling facility or multi re-use facility (MRF, pronounced "murf") is a specialized...

controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator...

the following regulatory requirements: Technician certification Refrigerant recovery and recycling techniques and procedures Leak checking Sales restrictions...

are used to change states of the refrigerant between colder liquid and hotter gas states. When the liquid refrigerant at a low temperature and low pressure...

pollutant haloalkane gases, EcoCute uses supercritical carbon dioxide as a refrigerant. The technology offers a means of energy conservation and reduces the...

Both issues happen due to the venting of refrigerant to the atmosphere, such as during repairs. HFO refrigerants, used in some if not most new equipment...

March 2022). "What Is Refrigerant 12| R12". Refrigerant Finders. Retrieved 21 February 2024. "R-12 Refrigerant History - Refrigerant HQ". 31 December 2018...

combination of refrigerant and absorbent is used. The most common combinations are ammonia (refrigerant) and water (absorbent), and water (refrigerant) and lithium...

or refrigerant metering device (RMD) restricts the flow of the liquid refrigerant causing a pressure drop that vaporizes some of the refrigerant; this...

drain water heat recovery, waste water heat recovery, greywater heat recovery,[citation needed] or sometimes shower water heat recovery[citation needed])...

nonflammable, low toxicity gases or liquids which have generally been used as refrigerants and as aerosol propellants. These include chlorofluorocarbons and hydrofluorocarbons...

refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and...

Resource recovery is using wastes as an input material to create valuable products as new outputs. The aim is to reduce the amount of waste generated,...

energy-efficient than other ways of heating or cooling a home. A gaseous refrigerant is compressed so its temperature rises. When operating as a heater in...