Home / Service & Repair
Stay Comfortable San Diego
Heating & AC repair in San Diego
When your heat or air conditioning quits, we'll find the problem and fix it right. We repair furnaces, heat pumps, air conditioners, air handlers and commercial rooftop units, 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 with your heating or cooling system. Replacing the system instead? Those estimates are free.
How we work
What a service call includes
Full diagnosis
We test the system to find the root cause, not just the symptom.
Upfront options
We explain what we found and what it will take to fix before we start the repair.
Repairs on all makes & models
Furnaces, heat pumps, AC units, air handlers, thermostats and controls.
Commercial rooftop units
Diagnosis and repair of rooftop package units for San Diego businesses.
System check
We confirm the system is running properly before we leave.
Respect for your space
We treat your home or business with care and clean up when we're done.
Call us if you notice
Signs you need a repair
- No heat or no coolingThe system runs but the air isn't warm or cool, or it won't turn on at all.
- Weak airflowLittle air coming from the vents can mean a blower, duct or filter problem.
- Strange noises or smellsBanging, squealing, grinding, or a burning smell should be checked promptly.
- Short-cyclingThe system turns on and off frequently without reaching the set temperature.
- Water or iceLeaks near the indoor unit, or ice on refrigerant lines or the outdoor unit.
- Thermostat problemsThe display is blank, or the system doesn't respond to the settings.
Homes & businesses
Residential and commercial
For your home
Furnaces, heat pumps, central AC, air handlers, mini splits and thermostats. We'll tell you honestly whether a repair makes sense or whether it's time to consider a replacement.
For your business
Commercial rooftop units, split systems and air handlers. We work to get your space comfortable again quickly so your business can keep running.
Owner on the job
You’ll work with Mike and his crew
At 75 Degree, the owner is out in the field. Mike and his crew diagnose your system with the right tools, explain what they find in plain language, and give you your options before any repair begins.
FAQ
Service & repair FAQ
How much does a service call cost?
Our diagnostic is $89 for the first hour. We'll explain what we find and what the repair involves before doing the work.
Do you repair all brands?
Yes. We service and repair all major makes and models of heating and cooling equipment.
Is it worth repairing an older system?
Often, yes. Many older systems can be repaired reliably. If a repair doesn't make financial sense, we'll tell you and give you a free estimate on a replacement.
Why is my AC running but not cooling?
Common causes include a dirty filter, a refrigerant issue, a failed capacitor or fan motor, or a frozen coil. A diagnostic visit will pinpoint the cause.
Do you repair commercial rooftop units?
Yes. We diagnose and repair rooftop package units and other commercial HVAC equipment across the greater San Diego area.
Heat or AC not working?
Call now for service. $89 first-hour diagnostic.
Or email us at mike@75hvac.com