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Free diagnostic following AC or furnace repair.
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Expert HVAC service for San Luis Obispo, Paso Robles, San Rafael, Monterey, Napa, Atascadero, Petaluma, Salinas, Santa Rosa, Santa Barbara, and all of the Central Coast and North Bay. We offer same or next-day installation for qualified buyers. NOW IN NORTH BAY!

Need Proof? Our Customers Speak For Us.
You’re Going To Love Your HVAC Service. We Guarantee It.
Customers on the Central Coast have been calling smart72 for their home heating & cooling needs for more than a decade. And the reason they keep coming back, and recommend us to their friends and family, is because of our customer-first approach. They know we have their best interests in mind, and are always on time. Thats why we turn first time customers into lifetime customers.
The Breakdown-Free guarantee protects you against any diagnostic or repair that doesn’t properly fix your heating or AC unit. Likewise, regardless of what the gas company tells you, if your unit is too old to properly function, it can cost you more in the long run. We stand by our estimates. If we can’t show you the system failure before we remove your unit from the home, your replacement is free!
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We Service nearly Any Make And Model.

The Best Heating & Cooling Service in SLO, Monterey, and All Of The Central Coast! Now in North Bay too!

Now in the North Bay, we've been providing San Luis Obispo, Atascadero, and the surrounding Central Coast area the best heating and cooling repair and replacement services around. We are your one-stop HVAC contractor shop for all things ac repair, heating installation, furnace repair, heat pump installation, and solar. Our service comes with an 100% satisfaction guarantee.