When to shut it down
If it is still cold, there is a weird smell, or the breaker trips, shut it down and get a pro. Do not open panels.
Furnace repair
If the furnace won't heat, run the same safe checks we already tell Denver metro homeowners: thermostat on heat and set above room temperature, a fresh filter, and vents open and not blocked. If it still won't fire, it's a service call — see the city pages below.
1
Set it to heat, then set the temperature above the room. If it isn't calling for heat, the furnace won't start.
2
A clogged filter can starve the unit and trip a limit. Swap it if you have a spare.
3
Keep supply and return vents open and not blocked by furniture, rugs, or boxes.
If it is still cold, there is a weird smell, or the breaker trips, shut it down and get a pro. Do not open panels.
We diagnose first, then give a plain-language finding. Repair happens only with the homeowner's OK.
Furnace repair covers the Denver metro area. See the city pages for Thornton, Aurora, Arvada, Westminster, Broomfield, Superior, Firestone, Brighton, and the North Denver metro. Denver, Lakewood, Centennial, Highlands Ranch, Parker, Littleton, Englewood, and Commerce City are the same shop.