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ACHR News: Air Conditioning, Heating & Refrigeration News ...
Air Conditioning, Heating & Refrigeration News is the weekly newsmagazine of the HVACR contractor covering residential and commercial contracting.
The Do’s and Don’ts of Hydronic System Glycol - ACHR News
Sep 24, 2020 · Since these systems are pressurized, it is not practical for the average homeowner to check the condition of the antifreeze solution.”. 2. Don’t unbalance the glycol in the system. According to Hogle, more glycol is not better — it is just more. “Since glycol is more viscous than water, the more glycol you add to your system, the less ...
A Simple Guide to the Refrigeration Cycle and How Air ...
Sep 15, 2020 · It takes low-pressure gas refrigerant coming into it, and turns it into high-pressure gas by the time the refrigerant leaves, increasing the chemical’s temperature as well. A refrigeration system needs to be pressurized. Take away the compressor, and the refrigerant just sits in the air conditioner without moving. The Condenser.
An HVAC Technician’s Guide To R-32 | 2020-11-12 - ACHR News
November 12, 2020. Change is coming once again to the HVACR industry, as there is a growing movement to transition from R-410A to lower-GWP refrigerants. California, for example, is proposing a GWP limit of 750 for all new stationary air conditioning systems (residential and commercial) in California starting Jan. 1, 2023, and other states are ...
HVAC Breaking News - ACHR News
6 days ago · The ACHR NEWS Editorial Staff. November 8, 2024. No Comments. New Mexico is jump-starting its rebates program by offering low-income owners of single-family homes up to $1,600 off of home insulation purchased at participating retailers. Later, the state will offer rebates for heat pumps and other high-efficiency appliances.
A Closer Look at Several Alternatives to R-22 - ACHR News
Jun 29, 2020 · By Joanna R. Turpin. NON-FLOODED USE: ComStar’s RS-44b can be used to replace R-22 in all non-flooded, high-, medium-, and low-temperature systems down to minus 20°F evaporating temperature. June 29, 2020. While it became illegal to produce or import virgin R-22 into the U.S. as of Jan. 1, 2020, it didn’t mean that the refrigerant suddenly ...
An HVAC Technician's Guide to R-454B | 2021-03-16 - ACHR News
Mar 16, 2021 · Refrigerant regulations are changing quickly at the state and federal levels, in order to facilitate a smooth transition away from R-410A to lower-GWP refrigerants. Finding a replacement for R-410A has been challenging, but several alternatives have emerged as top contenders. One of those is the mildly flammable (A2L) refrigerant, R-454B, which is manufactured by Chemours.
United Technologies Completes Carrier Spinoff | 2020-04-29
April 29, 2020. Carrier's separation from United Technologies Corporation (UTC) was completed April 3, 2020, but the company and its business strategies have been long in the making. Now publicly traded under the symbol CARR, shares of Carrier have begun "regular-way" trading on the NYSE. “Against the backdrop of unprecedented global ...
Best Practices for the Safe Handling of R-290 - ACHR News
Sep 22, 2020 · There has been a lot of discussion lately regarding the use of mildly flammable (A2L) refrigerants such as R-32 and R-454B in comfort cooling applications. These types of refrigerants are not permissible for use in commercial refrigeration equipment, but the flammable refrigerant, R-290 (propane), is allowed in small amounts (currently less than 150 grams in North America) and is widely used ...