An HVAC Technician’s Guide To R-32 | 2020-11-12 - ACHR News
网页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 ...
An HVAC Technician’s Guide to R-454B | 2021-03-16 - ACHR News
网页2021年3月16日 · 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 …
A Closer Look at Several Alternatives to R-22 - ACHR News
网页2020年6月29日 · 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 became …
R-454B Emerges As A Replacement For R-410A | 2020-08-02
网页2020年8月2日 · PRIMARY SOLUTION: Carrier recently announced that it had chosen R-454B as its primary lower-GWP solution to replace R-410A — such as the unit shown here — in all of its ducted residential and light commercial packaged solutions sold in North America. August 2, 2020. The big debate in the HVACR industry right now is which …
Refrigerant Pressures, States, And Conditions | ACHR News
网页2005年4月28日 · Refrigerant Pressures, States, And Conditions. April 28, 2005. This is the first in a series of columns addressing advanced basics in the understanding of the refrigeration cycle. All of these columns deal with refrigerant pressures, states, and conditions as applied to a refrigeration system with a refrigerant like R-134a that is not a …
EPA Proposes Ban on R-410A Starting in 2025 - ACHR News
网页2022年12月13日 · R-410A BAN: In EPA’s proposed rule, the use of R-410A in new air conditioners and heat pumps would not be allowed, starting January 1, 2025. (Staff photo) December 13, 2022. Recently, the Environmental Protection Agency (EPA) released a proposed rulemaking detailing how it plans to ban the use of many HFCs in new air …
A Simple Guide to the Refrigeration Cycle and How Air …
网页2020年9月15日 · 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.
The Do’s and Don’ts of Hydronic System Glycol - ACHR News
网页2020年9月24日 · 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 ...
Three Myths About HVAC Surge Protectors - ACHR News
网页2022年11月16日 · Myth 1: All surge protectors are created equal. While many surge protectors appear similar at first glance, there are actually a variety of factors to consider when choosing the right one for an HVAC system. Make sure to look for a surge protector that is specifically designed for HVAC systems.
ACHR News Podcast
网页2024年9月11日 · 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. September 23, 2024. 19:20.