Salem Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 4C (marine). Salem's central Willamette Valley location produces warm, dry summers (91°F/67°F cooling design) and mild, wet winters (21°F heating design). Heat pumps are highly effective in this climate.
Energy Code & Manual J Requirement: Oregon Residential Specialty Code (ORSC). ACCA Manual J required for all Marion and Polk County HVAC permit applications.
Local Electric Utility: Pacific Power (PacifiCorp)
Building Department: City of Salem Building & Safety Division
Local Trade Association: PHCC Oregon