Search results
Results from the WOW.Com Content Network
Propane refrigeration is a type of compression refrigeration. Propane (R290) has been used successfully in industrial refrigeration for many years, and is emerging as an increasingly viable alternative for homes and businesses. Propane's operating pressures and temperatures are well suited for use in air conditioning equipment, but because of ...
Propane, as used in refrigeration Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination.
Section 608 (together with Section 609, which covers motor vehicles) of the Clean Air Act serves as the main form of occupational licensure for technicians in the heating, ventilation, and air conditioning (HVAC) industry in the United States. [1]
An asterisk (*) indicates that the listed place name is the "default" place name for all addresses in the prefix, that is, that addresses for all ZIP codes beginning with that three-digit prefix will have that place name in the city portion of the address (example: 23219, 23224, and 23294 will all have "Richmond, Virginia" addresses, even if ...
Download QR code; Print/export Download as PDF; Printable version; In other projects ... move to sidebar hide. This is a list of refrigerants, sorted by their ASHRAE ...
Commercial refrigeration. Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature). [1] [2] Refrigeration is an artificial, or human-made, cooling method. [1] [2]
The final rule published on May 14, 1993, requires that refrigerant sold to a new owner be reclaimed to the AHRI Standard 700 of purity by a certified reclaimer (Sec. 82.154(g) and (h) referencing standard in Sec. 82.164 and the definition of reclaim found in Sec. 82.152).
The phase-down mandated by the AIM Act will lead to R-410A's replacement by other refrigerants beginning in 2022. Alternative refrigerants are available, including hydrofluoroolefins, R-454B (a zeotropic blend of R-32 and R-1234yf), hydrocarbons (such as propane R-290 and isobutane R-600A), and even carbon dioxide (R-744, GWP = 1).