24/7 Emergency Service
(650) 567-5385
P
Palo AltoHVAC
Serving Los AltosSanta Clara County, CA★ 4.9 / 847 reviews

HVAC Services in Los Altos, CA

Licensed CSLB #1082456 HVAC contractor serving Los Altos since 2015. AC repair, furnace installation, heat pump conversion, smart thermostat setup, duct cleaning, and 24/7 emergency dispatch across Santa Clara County.

Your Local HVAC Contractor in Los Altos

Los Altos' larger lot sizes (often 0.25-0.5 acre) mean HVAC installations frequently involve longer line set runs, larger duct distribution, and more careful equipment placement than tighter Peninsula cities. Premium tier equipment (Carrier Infinity, Trane XV20i, Daikin One+) is the norm rather than the exception, supported by strong property values and high homeowner equity.

Larger Los Altos homes (often 3,000-5,000+ sq ft) frequently benefit from zone control — independent thermostat control of 2-4 zones with motorized dampers. We design and install zone systems carefully, including proper bypass damper sizing to protect equipment from static pressure when only one zone is calling. Variable-speed inverter equipment pairs especially well with zoning.

Los Altos Neighborhoods We Serve

We provide HVAC service throughout every neighborhood of Los Altos, including:

Country ClubNorth Los AltosSouth Los AltosHighlands-LoyolaOld Los Altos

Los Altos Housing Stock & HVAC Considerations

Los Altos\'s housing stock spans multiple eras and styles, each with specific HVAC infrastructure considerations:

  • 1940s-1950s ranches on large lots
  • 1960s-1970s contemporaries
  • Custom estate homes throughout North Los Altos
  • Recent infill new construction (often teardowns)

Los Altos Climate & HVAC Demand

California Climate Zone 3-4 boundary. Summer highs 80-90°F typical, with occasional 100°F heat events. Hillside properties get cooler nights.

Local HVAC Challenges in Los Altos

  • Large lot sizes mean longer line set runs and more refrigerant volume — careful charge calculation
  • Country Club neighborhood mature trees require pruning coordination during equipment delivery
  • Premium home values support higher-tier equipment investment — Carrier Infinity / Trane XV / Daikin One+ are common

HVAC Services Available in Los Altos

Los Altos HVAC FAQ

How fast can you respond to HVAC calls in Los Altos?

Standard response time to Los Altos is 1-2 hours during business hours and 1-3 hours for after-hours emergencies. We dispatch from our Palo Alto base, and Los Altos sits well within our 35-mile primary service area.

What HVAC services do you offer in Los Altos?

We provide complete HVAC service in Los Altos: AC repair and installation, furnace repair and replacement, heat pump installation and conversion, smart thermostat setup, duct cleaning and sealing, mini-split installation, indoor air quality systems, and 24/7 emergency dispatch. CSLB License #1082456, EPA-certified.

Do you handle Title 24 paperwork for Los Altos installations?

Yes — we handle Title 24 Part 6 documentation, HERS rater coordination, and permit pulling for every qualifying installation in Los Altos. We work directly with the appropriate Santa Clara County or city building department.

What rebates and incentives are available in Los Altos?

Los Altos residents qualify for the federal IRA 25C tax credit (up to $2,000 for heat pumps), TECH Clean California heat pump rebate ($1,000-$3,000), PG&E rebates, and BayREN home upgrade incentives. Silicon Valley Clean Energy (SVCE) adds additional rebates for most Santa Clara County residents. We process the paperwork in-house.

Los Altos HVAC Customer Reviews

4.9from 133 reviews

Recent jobs in Los Altos and surrounding Santa Clara County

C
Catherine D.
★★★★★

Whole-house Carrier Infinity system in North Los Altos. They sized the equipment correctly using ACCA Manual J — the previous system was oversized which we didn't realize. Big comfort improvement.

E
Edward L.
★★★★★

Bi-annual maintenance plan for our Country Club neighborhood home. Same tech for the past four visits, knows our system. Caught a slow refrigerant leak this spring before it became a no-cool call.

Ready for HVAC Service in Los Altos?

Same-day dispatch · Free quotes on installations · Diagnostic fee waived with approved repair

100% Satisfaction Guaranteed | Free Estimates | Factory-Certified Parts