AHRI Applauds Department of Energy Rulemaking Adopting ASHRAE 90.1 Efficiency Levels

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) applauded the two recent Department of Energy (DOE) final rules, which adopt ASHRAE 90.1 efficiency levels for three-phase unitary products < 65,000 Btu/h, water-source heat pumps, commerc...