Air Conditioning, Heating & Refrigeration News is the weekly newsmagazine of the HVACR contractor covering residential and commercial contracting.

The latest headlines about, and impacting, the HVACR industry.

Dec 30, 2024 · Bloomington, Illinois experienced the steepest percentage decline at 11% (400 jobs), followed by Bangor, Maine at 8% (300 jobs). Several areas saw 6% declines, including Sacramento--Roseville--Arden-Arcade, San Jose-Sunnyvale-Santa Clara, California (3,100 jobs), Silver Spring-Frederic-Rockville, Maryland (1,800 jobs), and …

Aug 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. Countries around the globe are already phasing down HFCs, and various states in the U.S. are passing legislation that would also minimize the use of these high-GWP refrigerants. California has been the leader of this movement, proposing a GWP limit ...

The capabilities of this powerful technology are being employed from design through construction and during ongoing facilities’ operations and maintenance, writes ES NEWS guest columnist Robert Knoedler.

Sep 18, 2005 · Most modern hydronic heating and/or cooling systems are closed systems that must be maintained at some minimum pressure. This would seem to be a simple concept, but it is surprising how often a lack of attention to the basics can cause all kinds of problems.

Sep 24, 2024 · One recent innovation comes from Irish technology firm Exergyn, which is developing a unique solid-state cooling technology based on shape memory alloys (SMAs). SMA solid-state cores are zero GWP, nontoxic, nonflammable, cannot leak, and open up new possibilities for increased energy efficiency and clean cooling.

Oct 24, 2024 · At this point in time last year, there was a “historically strong” El Niño in place, which is not the case this year. Gottschalck said 2023/2024’s authoritative El Niño translated to warmer temps across the country, especially in the northern tier, which also coincided with a snow drought from New England to the Great Plains to the Northern Plains and even into parts of …

Aug 15, 2024 · Defining Low GWP and A2L Refrigerants. GWP stands for Global Warming Potential, a metric developed by the United States Environmental Protection Agency (EPA) to measure the amount of heat trapped in the atmosphere from greenhouse gases.

Nov 15, 2024 · Three years ago, private equity zeroed in on HVAC contracting. With the onset of the pandemic in 2020, a lot of mergers and acquisitions (M&A) activity came to a standstill, as did many industries — but not heating and cooling.