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Heating & air conditioning in Lakeside
AC and heating repair, maintenance and installation for Lakeside homes, shops and businesses, from a family-owned East County company.
- Free estimates on new systems
- Residential & commercial
- 5-star Google reviews
Serving Lakeside: $89 first-hour diagnostic on heating and AC repairs, free estimates on new and replacement systems, and financing available on new systems.
Lakeside homes & businesses
Keeping Lakeside comfortable
- Summer coolingInland summer heat keeps air conditioners busy. Weak cooling, warm air or ice on the lines are all signs to call.
- Workshops and garagesA ductless mini split can cool and heat a garage, workshop or detached space without ductwork.
- Aging equipmentWhen an older system needs frequent repairs, we'll tell you honestly whether replacing it makes more sense.
- Winter heatCool nights mean your furnace or heat pump should be checked before winter.
- Clean airDust and dry air can be a nuisance inland. Better filtration helps keep it out of your home.
Lakeside is inland East County, with hot summers and cool winter nights. Homes, garages and workshops all need cooling that keeps up.
What we do
HVAC services in Lakeside
Repair, maintenance and installation for Lakeside homes and businesses, on all makes and models.
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 →AC installation & replacement
New and replacement central air, sized for your home. Free estimates.
Learn more →Heating & furnace repair
No heat or cold air from the vents. Gas furnaces, heat pumps and air handlers.
Learn more →Maintenance & tune-ups
$89 per unit to keep your system efficient and reliable.
Learn more →Indoor air quality
Filtration, Phenomenal Aire air purification and humidity control.
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
Lakeside HVAC FAQ
Can you cool my garage or workshop in Lakeside?
Yes. Ductless mini splits are a common way to heat and cool garages, workshops and other spaces without ductwork. Estimates are free.
My AC is blowing warm air. What should I check first?
Make sure the thermostat is set to cool, check the filter, and check that the breaker hasn't tripped. If it still blows warm air, call us. Our diagnostic is $89 for the first hour.
Is financing available?
Yes, financing is available on new systems. Ask us for details.
Do you service all brands?
Yes. We repair and maintain all major makes and models of heating and cooling equipment.
Heating or AC trouble in Lakeside?
Call 619-333-7575 or book online. $89 first-hour diagnostic; free estimates on new systems.
Or email us at mike@75hvac.com