mtnelect HVAC & Electrical Contractor Location Southern California Occupation Contractor, C10 & C20 - Semi Retired Jun 29, 2022 #1 New DOE equipment efficiency requirements for some types of residential HVAC systems: Coming 1/1/23! Attachments New Residential Minimum Heat Cool Efficiencies 2022.pdf 496.5 KB · Views: 10
New DOE equipment efficiency requirements for some types of residential HVAC systems: Coming 1/1/23!