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Stay Comfortable San Diego
Heating & air conditioning in Santee
Heating and cooling repair, maintenance and replacement for Santee homes and businesses, from a family-owned company that treats your home like our own.
- Free estimates on new systems
- Residential & commercial
- 5-star Google reviews
Serving Santee: $89 first-hour diagnostic on heating and AC repairs, free estimates on new and replacement systems, and financing available on new systems.
Santee homes & businesses
Comfort and efficiency in Santee
- Hot days, cool nightsBig swings between afternoon and nighttime temperatures mean your system goes from working hard to sitting idle.
- Energy billsOlder, less efficient systems cost more to run through a long cooling season. Newer equipment can use noticeably less energy.
- Heat pumps for both seasonsA heat pump covers cooling in summer and heating in winter with one efficient system.
- Uneven roomsA hot upstairs bedroom or a room that never cools down can often be fixed with better airflow or a ductless mini split.
- Seasonal maintenanceAn $89-per-unit tune-up before summer and before winter helps the system run efficiently and avoid breakdowns.
Santee is inland, with hot summer days and cool nights. A properly sized, well-maintained system keeps the house comfortable without running up your energy bill.
What we do
HVAC services in Santee
Repair, maintenance and installation for Santee homes and businesses, on all makes and models.
Heat pumps
Efficient heating and cooling in one system, ducted or ductless.
Learn more →AC installation & replacement
New and replacement central air, sized for your home. Free estimates.
Learn more →AC repair
Warm air, ice on the lines, leaks or an AC that won't start. $89 first-hour diagnostic.
Learn more →Ductless mini splits
Comfort for rooms, additions, garages and homes without ductwork.
Learn more →Maintenance & tune-ups
$89 per unit to keep your system efficient and reliable.
Learn more →Heating & furnace repair
No heat or cold air from the vents. Gas furnaces, heat pumps and air handlers.
Learn more →
A family business. Owner Mike Mauzy has 20 years in the HVAC trade. He learned it from his grandpa and his dad, founded 75 Degree Heating & Air in 2020, and is still out in the field with his NATE-certified crew. Our shop is at 2558 Eltinge Dr. in Alpine. Our story →
FAQ
Santee HVAC FAQ
Is a heat pump a good choice for a Santee home?
For many homes, yes. Heat pumps heat and cool efficiently in San Diego's climate. We'll compare a heat pump with a furnace-and-AC setup during your free estimate.
How often should I service my AC and heating?
Once a year per system is a common recommendation, and many homeowners prefer twice: cooling in spring and heating in fall. Our tune-ups are $89 per unit.
One room in my house is always too hot. What can I do?
Options include airflow and duct improvements or a ductless mini split for that room. We'll look at the space and recommend what fits.
Do you offer free estimates in Santee?
Yes. Estimates on new and replacement systems are free, and financing is available on new systems.
Heating or AC trouble in Santee?
Call 619-333-7575 or book online. $89 first-hour diagnostic; free estimates on new systems.
Or email us at mike@75hvac.com