HVAC installation, repair, and maintenance services
From a single AC repair to a full system install, OTTER HVAC covers residential and light commercial properties across the East Bay. Browse heating, cooling, and maintenance offerings, then book a $69 diagnostic or free installation estimate.
Installation services include furnaces, central air, ductless mini-splits, heat pumps, rooftop packages, VRF, ductwork, and thermostats. Repair covers furnace, AC, heat pump, and VRF systems with documented diagnostics first.
Seasonal maintenance plans help prevent mid-season breakdowns. Otter Basic and Otter-Pro plans include priority scheduling and thorough system checks.
Commercial refrigeration support covers coolers, freezers, ice machines, and walk-ins. EPA 608, OSHA, and NATE certified technicians. Hours: 7:00am–5:00pm, seven days a week. Call (650) 900-0440.
Every repair quote is explained in plain language after testing. We do not push replacements when a repair is the better value for the homeowner.
Related: Heating · Cooling · Maintenance plans · Prices
Frequently asked questions
What HVAC services do you offer?
Installation and repair for furnaces, AC, heat pumps, mini-splits, rooftop units, VRF, ductwork, thermostats, plus maintenance plans and commercial refrigeration support.
Explore related pages
References and credentials
- U.S. DOE heat pump overview
- ENERGY STAR
- EPA Section 608 refrigerant certification
- U.S. Department of Energy — Energy Saver
Authority sources: U.S. DOE heat pump overview · ENERGY STAR