Comfort-Aire Furnace Manuals

15 Comfort-Aire furnaces with owner guides and verified specifications

Select your Comfort-Aire model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.

Comfort-Aire furnaces by model number

Comfort-Aire Furnace Manuals

Model	Description	Certified
GDD96C045B3MP	96% AFUE gas furnace	September 2026
GDD96C070B4MP	96% AFUE gas furnace	September 2026
GDD96C090C4MP	96% AFUE gas furnace	September 2026
GDD96C110C5MP	96% AFUE gas furnace	May 2026
GUH96C045B3MP	96% AFUE gas furnace	September 2026
GUH96C070B3MP	96% AFUE gas furnace	September 2026
GUH96C090C4MP	96% AFUE gas furnace	September 2026
GUH96C110C5MP	96% AFUE gas furnace	September 2026
GUH96C135D5MP	96% AFUE gas furnace	February 2026
GUH97T045B3MP97G2UH045BV12-**	97% AFUE gas furnace	April 2026
GUH97T070B3MP97G2UH070BV12-**	97% AFUE gas furnace	April 2026
GUH97T090C3MP97G2UH090CV12-**	97% AFUE gas furnace	April 2026
GUH97T090C5MP97G2UH090CV20-**	97% AFUE gas furnace	March 2026
GUH97T110C5MP97G2UH110CV20-**	97% AFUE gas furnace	April 2026
GUH97T135D5MP97G2UH135DV20-**	97% AFUE gas furnace	April 2026

Other Comfort-Aire manuals

• Heat Pumps83
• Geothermal Heat Pumps45
• Room Air Conditioners4
• Dehumidifiers2

All Comfort-Aire products