SERVING THE NORTH BAY
HVAC Services in Napa, CA
Heating and Cooling for Napa Homes and Light Commercial Properties
Legacy Heating & Air provides full-service HVAC repair, replacement, duct work, and preventive maintenance throughout Napa. Napa County summers get hot and the winters get cold, and your system needs to handle both reliably. We service all major brands, perform proper Manual J load calculations on every replacement, and make sure your home stays comfortable year round without driving up your energy bill.
SERVING THE NORTH BAY
Heating, Cooling & Ductwork Services
Professional HVAC repair, replacement, and custom ductwork solutions for homes and light commercial properties across Sonoma, Napa, and Marin County.
Furnance & A/C Repair
Fast diagnostics and reliable repairs for heating and cooling systems. We identify the real issue and fix it right the first time.
Custom ductwork & Replacement
Custom duct design and replacement to improve airflow, eliminate leaks, and balance temperatures throughout your home.
Furnace & A/C Replacement
High-efficiency system replacements designed using proper load calculations. Built for your home, not guesswork.
HVAC system diagnostics
Full system evaluations to identify airflow issues, inefficiencies, or performance problems that are often missed.
Preventitive Maintenance
Routine service to keep your furnace and AC running efficiently, extend system life, and prevent costly breakdowns.
System DEsign & Load calculations
Accurate system sizing and duct design for new installs or problem homes that need a real solution.
Your Comfort is our Legacy.
Comfort isn’t luck, it’s built. At Legacy Heating & Air, we design, install, and repair systems with precision, from accurate load calculations to properly engineered ductwork. The result is consistent comfort, lower energy waste, and a system that finally performs the way it should.
Request a Free estimate.
Serving Sonoma, Napa, and Marin County. Honest recommendations. No pressure.