No two heating systems break the same way, and in Wauwatosa homes the first question on any no-heat call is what kind of equipment we are dealing with. Gas furnaces most often quit on an oxidized flame sensor. The burners fire, the sensor fails to confirm the flame, and after three attempts the control board closes the gas valve and locks the system out. Cracked hot surface igniters, sticking pressure switches, plugged condensate traps on high-efficiency units, and tired blower motors round out the usual list. Heat pumps have their own failure patterns. A defrost cycle that falls short lets ice build up on the outdoor coil, a bad reversing valve leaves the system stuck in cooling mode, and a dead outdoor unit hands the whole load to the electric backup strips, which cost several times as much to run.
Our most requested repair is Furnace Repair. That's the place to start if you need a fix today.
When to Call for Heating Repair in Wauwatosa
Catching these issues early helps you avoid costly problems. Watch for these telltale signs:
- No warm air at the registers even with the heat turned up
- A rotten-egg, burning, or musty smell once the heat kicks on
- The furnace clicking and trying to light but shutting back down
- Heating bills spiking while comfort keeps falling
- Banging at startup caused by burners lighting late
- Cold rooms in one part of the house while others are comfortable
- Thick ice or frost covering the heat pump outside
- The system starting and stopping every few minutes without warming the house
Early Action Saves Money
Most HVAC failures start small, a weak capacitor, a squealing blower, a system that runs a little longer each week. If you notice any of these signs, call (414) 432-5103 for a prompt inspection.
