We at Smart Heating and Air Conditioning promise that your Diablo home’s comfort will always be how you like it. Our specialists have extensive training and certification and a strong desire to deliver top-notch service in the San Ramon Valley. Our Diablo heating and air conditioning systems receive excellent installation, repair, and maintenance because we use the newest tools and technology.
Fast diagnostics and expert AC replacement to keep your home cool and efficient.
Air Conditioning Repair & Installation
Stay warm during Diablo's cooler months with trusted furnace services.
Furnace Repair & Replacement
Efficient heating and cooling in one system — perfect for California’s climate.
Heat Pump Services
Prevent costly breakdowns and extend the life of your equipment.
HVAC Maintenance & Tune-Ups
Save energy with smart thermostats that give you control from anywhere.
Thermostat Upgrades
Call the trusted Furnace Installer experts at Smart Heating & Air Conditioning
Furnace Installation
Based near Diablo, we know the area, the climate, and the needs of our community.
Your home is in good hands with our experienced HVAC professionals.
We know HVAC issues can’t wait, and we won’t make you.
No surprises - just transparent pricing and high-quality work.
We’re proud of our reviews on Google, Yelp, and Nextdoor.
*Limit One per household, Some restrictions May Apply. Cannot Combine Offers, Expires 12/31/2025
*Limit One per household, Some restrictions May Apply. Cannot Combine Offers, Expires 12/31/2025
*Limit One per household, Some restrictions May Apply. Cannot Combine Offers, Expires 12/31/2025
*Limit One per household, Some restrictions May Apply. Cannot Combine Offers, Expires 12/31/2025