Main
DIY
Video List
Diagnostic Tool
>
Start
Q & A
>
Basic
Cooling
Condensation
Fan
Heating
Maintenance
Noise
Smell
Thermostat
Safety
Company
About Us
Contact
Services
Latest
1
Go to furnace and look around top of furnace main duct, see if has damper handle?
Back
2
Is there damper?
yes
no
Main
DIY
Video List
Diagnostic Tool
>
Start
Q & A
>
Basic
Cooling
Condensation
Fan
Heating
Maintenance
Noise
Smell
Thermostat
Safety
Company
About Us
Contact
Services
Latest