Furnace does not produce heat
Thermostat signals, power, ignition, safety controls, gas or electric heat components, and the blower may be involved.
Heating & Cooling service
Furnace Repair in Portland Metro & Southwest Washington
No-heat, ignition, airflow, and cycling symptoms can originate in different furnace systems. The equipment type, thermostat behavior, error indicators, and ZIP code help define the request.
Coverage and scheduling are confirmed before an appointment is arranged.
Symptoms and possible causes
Common furnace problems we review
Similar symptoms can have different causes. A technician must diagnose the equipment before a repair is selected.
Swipe to explore all four problems
Furnace starts and stops repeatedly
Airflow, flame sensing, temperature limits, thermostat input, or other protective controls can interrupt a cycle.
Blower runs but rooms stay cold
The heat source, airflow distribution, controls, or equipment sequence may not be operating as expected.
New rattling, squealing, or humming
Blower parts, panels, motors, bearings, airflow, and electrical components can create different sounds.
Equipment types
Furnace types
- Gas furnaces
- Electric furnaces
- High-efficiency furnaces
- Forced-air heating systems
- Furnace and heat-pump combinations
Diagnostic approach
What may be checked
- Thermostat and control sequence
- Ignition and safety controls
- Burner or electric heat operation
- Blower motor and airflow
- Filter and temperature limits
- Diagnostic codes and electrical components
Major household brands
Brand and model support
Send the complete model number with your request. Brand, model, access, and scheduling are confirmed before a visit.
Current ZIP routes
Popular service areas
Open a city page for the exact ZIP codes currently listed for that route.
Portland, OR97201, 97202, 97203, 97204, 97205, 97206, 97209, 97210, 97211, 97212, 97213, 97214, 97215, 97216, 97217, 97218, 97219, 97220, 97221, 97227, 97230, 97231, 97232, 97233, 97236, 97239, 97258, 97266Vancouver, WA98660, 98661, 98662, 98663, 98664, 98665, 98682, 98683, 98684, 98685, 98686Gresham, OR97030, 97080Beaverton, OR97005, 97006, 97007, 97008, 97225Tigard, OR97223, 97224Hillsboro, OR97123, 97124Lake Oswego, OR97034, 97035Oregon City, OR97045Happy Valley, OR97086Milwaukie, OR97222Camas, WA98607Troutdale, OR97060
Helpful details
Furnace Repair FAQ
What furnace information should I send?
Provide the fuel type, brand, model, thermostat behavior, any flashing diagnostic code, and whether the blower or burners start.
Why does my furnace shut off shortly after starting?
Airflow, temperature limits, ignition proving, flame sensing, thermostat input, and controls are possible causes. Testing is needed to identify the reason.
Do you accept high-efficiency furnace requests?
Yes. Include clear photos of the model label and any diagnostic lights when available.
Request review
Tell us what your furnace is doing
Include the model, symptoms, ZIP code, and best callback number.