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David Sellers previously served as senior director of engineering and brings more than 25 years of experience with Hoshizaki America to his new position.

The latest figures from the AHRI show shipments of a/c units and heat pumps fell in November 2025 compared to the same time last year, while furnaces saw modest year-over-year gains.

Modern heat pumps are engineered for extreme cold, yet misconceptions persist. Field data and proper system design are changing how contractors approach winter heating solutions.

Many commercial buildings still rely on aging HVAC systems. A data-driven approach to audits, maintenance, and capital planning can unlock efficiency gains without a full overhaul.

When Nvidia’s CEO said the company’s latest AI system could be cooled with hot water and no chillers, investors reacted quickly. Shares of several HVAC manufacturers fell sharply, underscoring how closely tied the industry’s growth has become to data center cooling assumptions.

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.