ACHR News - Air Conditioning, Heating & Refrigeration News
WEBAir Conditioning, Heating & Refrigeration News is the weekly newsmagazine of the HVACR contractor covering residential and commercial contracting.
A Simple Guide to the Refrigeration Cycle and How Air …
WEBSep 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
WEBNov 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.
R-454B Emerges As A Replacement For R-410A | 2020-08-02
WEBAug 2, 2020 · The big debate in the HVACR industry right now is which refrigerant(s) will be chosen to replace R-410A in many types of comfort cooling equipment.
A Closer Look at Several Alternatives to R-22 - ACHR News
WEBJun 29, 2020 · If customers are seeking a more environmentally friendly alternative to HCFCs, there are many options available.
The Do’s and Don’ts of Hydronic System Glycol - ACHR News
WEBSep 24, 2020 · For hydronic HVAC contractors, antifreeze is the heat transfer fluid necessary for the proper functioning of systems in different regions of the country.
An HVAC Technician’s Guide to R-454B - ACHR News
WEBMar 16, 2021 · UPDATED MANIFOLD: Gauge sets used with R-410A should be okay to use with R-454B, although technicians may need to update their digital manifolds to include the newer refrigerants. (Staff Photo) March 16, 2021. Refrigerant regulations are changing quickly at the state and federal levels, in order to facilitate a smooth transition away from …
Don’t Mistake Liquid Line Restriction For an Undercharge of …
WEBMar 9, 2020 · In a refrigeration system, service technicians often confuse a liquid line restriction with an undercharge of refrigerant.
Three Myths About HVAC Surge Protectors - ACHR News
WEBNov 16, 2022 · To make an educated decision when selecting a surge protector for an HVAC system, it is important to dispel some common myths. Here are three myths about surge protectors.
Refrigerant Pressures, States, And Conditions | ACHR News
WEBApr 28, 2005 · This is the first in a series of advanced basic articles on the refrigeration cycle. All of these articles deal with refrigerant pressures, states, and conditions as applied to a refrigeration system with a refrigerant like R-134a that is not a blend.