Category: HVAC

HVAC zoning: technician installing a motorized zone damper in basement ductwork in a Durham home
HRV vs ERV: technician servicing a home ventilation unit in a Durham basement
Furnace pilot light: technician checking the pilot flame on an older gas furnace in a Durham basement
Furnace smells like gas: technician checking a furnace gas line with a leak detector in a Durham basement
Furnace blinking light: technician checking the control board LED on a gas furnace in a Durham basement
Cracked heat exchanger inspection: technician using a camera inside a gas furnace in a Durham basement
Clean furnace air filter beside a clogged dirty filter, a common cause of a tripped furnace high limit switch
Dirty furnace blower wheel caked with dust that makes the furnace blower motor work harder
Furnace inducer motor replacement: technician servicing a gas furnace in a Durham basement
Furnace PVC vent pipes blocked by snow and ice, a common cause of furnace pressure switch errors in winter