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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.
ACHR News Podcast
ACHR News Podcast. Each episode features movers and shakers of the industry interviewed by editors of The NEWS staff. Listen as industry individuals discuss and react to the latest HVAC headlines. Subscribe to this Podcast. November 4, 2024. 21:56.
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 ...
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 ... - ACHR …
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.
HVAC Breaking News - ACHR News
3 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.
Pressurization Of Closed Hydronic Systems - ACHR News
Sep 18, 2005 · It is generally accepted that if a minimum pressure of 4-5 psig is maintained at the top of a closed hydronic system, all of the above requirements will be met with the possible exception of cavitation in hot water control valves. For systems with the fill point located at the top, the standard cold fill pressure setting of 12 psig on commonly ...
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 …
Three Myths About HVAC Surge Protectors - ACHR News
Nov 16, 2022 · Myth 3: Bigger is better. It is not always the case that a bigger-looking surge protector ensures better performance. In fact, some of the larger surge protectors on the market may have a lower MOV rating than smaller models. The key is to look for a surge protector that is specifically designed for HVAC systems and has reliable performance ...