Thermostat and Smart Controls in the Inland Empire and Orange County
Need a new smart thermostat or help programming yours? We install, replace, and set up thermostats and HVAC controls the right way. Serving the Inland Empire and Orange County, including Riverside, San Bernardino, and Irvine. Magnolia Heating and Cooling has delivered comfort since 1951, with a 4.9 rating from 1,369 reviews. Our trained techs verify compatibility, ensure safe wiring, and stand behind the work with strong warranties. Call or schedule online for friendly, no-pressure service.
Why Choose Us
Licensed and verifiedCA C20, C46 #815323; background-checked, uniformed technicians
Proven since 1951Serving local homeowners with stable, community-first service
Top-rated service4.9 rating from 1,369 reviews
Precision setup & trainingWe program, test compatibility, and walk you through the app
Strong warrantiesLifetime craftsmanship coverage and multi-year labor coverage
What Our Customers Say
professionalism
"Dave was awesome and assisted in functioning our new WiFi thermostat."
expertise
"Kirk found why my smart thermostat kept clicking and explained everything with no pressure."
quality
"Others wanted to sell me new. Magnolia fixed my old thermostat and guaranteed the work."
Where We Work
What areas do you serve for thermostat and smart controls?
We serve the Inland Empire and Orange County, including Riverside, San Bernardino, and Irvine. See the full list of cities below for coverage near you.
Inland Empire and Orange County
Riverside, CASan Bernardino, CAIrvine, CA
Complete Service Area:
Riverside, CASan Bernardino, CACorona, CAMoreno Valley, CARancho Cucamonga, CAFontana, CAMenifee, CAOntario, CAOrange, CAPomona, CAAnaheim, CABrea, CAChino, CALake Elsinore, CALoma Linda, CAPerris, CARedlands, CARialto, CATrabuco Canyon, CAUpland, CAYorba Linda, CABloomington, CABlue Jay, CACalimesa, CACedarpines Park, CAChino Hills, CAClaremont, CAColton, CACovina, CACrestline, CADiamond Bar, CAEastvale, CAFoothill Ranch, CAGrand Terrace, CAHighland, CAHomeland, CAIrvine, CAJurupa Valley, CALa Verne, CALytle Creek, CAMarch Air Reserve Base, CAMentone, CAMira Loma, CAMontclair, CAMt Baldy, CANorco, CANuevo, CAPatton, CAPlacentia, CARimforest, CASan Dimas, CASilverado, CASkyforest, CATwin Peaks, CAVilla Park, CAWalnut, CA