The American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) 2023 Handbook, HVAC Applications, is undergoing review for its 2027 republication. Every four years, each of the ...
In 2018, the Department of Energy (DOE) conducted a study that found that 70-90% of newly installed residential HVAC systems were installed with significant, detectable faults. That’s 70-90% of HVAC ...
November 18, 2025 – PRESSADVANTAGE – PJ MAC HVAC Air Duct Cleaning announced an expansion of its ductwork repair services this week, outlining operational updates intended to support residential and ...
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