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Check out our timeline for a visual snapshot of HVAC history — from Frigidaire's "Hot-Kold" home a/c system in 1931, to the advent of frozen dinners in 1953,  to the first smart thermostat, and beyond.

The new year kicks off with a high volume of increases across the board. 

Running a business doesn't solely need to be about growth. 

The 115-year-old Leonard Valve designs and manufactures water temperature control valves, digital and thermostatic mixing systems, and related monitoring devices that are used in hospitals, schools, universities, industrial facilities, and other institutional and commercial settings.

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

Sales for the 12 months through November, across distributors that participate in HARDI's monthly survey, increased by 3.8%.

AI is already influencing HVAC pricing, coaching, and operations. Jackie Sponsler explains how contractors can use it without triggering fear or confusion.

Food retailers face growing confusion as evolving EPA AIM Act mandates and differing state rules make refrigerant compliance increasingly complex. 

The Legance acquisition, The Bowers Group, has more than 40 years of experience in mechanical, plumbing, and process system solutions.

For HVACR contractors, the shift to electric is no longer a hypothetical or a phenomenon. It’s become a force shaping demand, training needs, pricing strategies, and long-term business planning.