What Should I Do If My Heater Is Not Working in My House?

If your heater isn’t working, start with a few quick checks, then schedule a diagnostic. Brothers Plumbing, Heating, and Electric offers same-day emergency heating repair in Denver and nearby cities like Thornton.

Quick checks:

• Set thermostat to Heat and raise the setpoint 3–5 degrees.
• Replace thermostat batteries.
• Check the furnace switch and circuit breaker.
• Replace a clogged filter.
• For older units, confirm the pilot is lit; if you smell gas, leave and call.
• Note any error codes or unusual noises for the technician.

Updated: 2025-12-21 00:00:00

Need help in Thornton, CO? Call (720) 994-7055 or book online.