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Stay Comfortable San Diego
Heating & furnace repair in San Diego
No heat, cold air from the vents, or a furnace that keeps shutting off? We repair gas furnaces, heat pumps and air handlers for homes and businesses across greater San Diego, on all makes and models.
- Residential & commercial
- 5-star Google reviews
$89 first-hour diagnostic. A clear, upfront price to find out what's wrong. We explain what we find and what the repair costs before any work begins. Replacing the system instead? Those estimates are free.
Heating repair
Heating problems we fix
$89 for the first hour of diagnostic service. Gas furnaces, heat pumps, air handlers and controls.
No heat at all
Ignition failures, flame sensor problems, tripped limit switches, thermostat or power issues.
Blowing cold air
Burners shutting off early, a heat pump stuck in the wrong mode, or a failed component.
Short-cycling
A furnace that starts and stops over and over may be overheating or sensing a fault.
Noisy blower
Squealing, scraping or rattling from the blower motor or wheel.
Thermostat trouble
A blank display, wrong readings, or a system that ignores the settings.
Heat pump not heating
Defrost problems, refrigerant issues or failed parts on the outdoor unit.
Know the warning signs
Heating safety comes first
- Smell gas?Leave the house right away and call SDG&E or 911 from outside. Don't use light switches or phones inside.
- Carbon monoxide alarmIf a CO alarm goes off, get everyone outside and call 911.
- Burning-dust smell on first startA short dusty smell the first time you run the heat each season is common. If it lingers or smells electrical, shut the system off and call us.
- Yellow or flickering flamesFurnace burner flames should be steady and mostly blue. Unusual flames are worth a service call.
- Breaker keeps trippingLeave the system off and call us. Repeated trips point to an electrical problem.
Homes & businesses
Residential and commercial
For your home
Gas furnaces, heat pumps, air handlers and thermostats. We'll tell you honestly whether a repair makes sense, and give you a free estimate if replacement is the better option.
For your business
Heating on commercial rooftop units, split systems and air handlers, so your staff and customers stay comfortable.
FAQ
Heating repair FAQ
How much does a furnace repair visit cost?
Our diagnostic is $89 for the first hour. We explain the problem and the repair price before any work begins.
Do you repair heat pumps as well as furnaces?
Yes. We repair gas furnaces, heat pumps, air handlers and the thermostats and controls that run them.
Why does my furnace turn on and then shut off?
Common causes include a dirty flame sensor, a clogged filter that lets the furnace overheat, or a failing safety switch. A diagnostic visit will find the cause.
When should I get my heating checked?
A fall tune-up before the first cold nights is a good habit. Our preventative maintenance is $89 per unit.
Is it worth repairing an old furnace?
Often it is. If it isn't, we'll say so and give you a free estimate on a replacement furnace or heat pump.
No heat?
Call 619-333-7575 or book online. $89 first-hour diagnostic.
Or email us at mike@75hvac.com