# ComfortFlow HVAC Palo Alto > ComfortFlow HVAC Palo Alto is a residential HVAC company at 438 Cambridge Ave, Palo Alto, CA 94306 (phone 650-460-3483). It repairs and installs air conditioners, furnaces, heat pumps, ductless mini-splits and Eichler radiant heating for homes in Palo Alto, CA and nearby Peninsula cities, and helps homeowners with City of Palo Alto Utilities (CPAU) heat pump rebates and the City's heat pump instant permit. ## Key facts - Business: ComfortFlow HVAC Palo Alto (HVACBusiness) - Website: https://www.hvacpaloalto.com/ - Address: 438 Cambridge Ave, Palo Alto, CA 94306 - Phone: 650-460-3483 - Email: hello@hvacpaloalto.com - Service area: Palo Alto (Old Palo Alto, Crescent Park, Professorville, College Terrace, Midtown, Barron Park, Greenmeadow, Fairmeadow and all other neighborhoods), Menlo Park, Atherton, East Palo Alto, Stanford, Mountain View, Los Altos, Los Altos Hills - CPAU Heat Pump HVAC rebate (as published by the City): $2,500, or $5,000 income-eligible, when replacing a gas heater; applications due within 90 days of final inspection ## Main pages - [HVAC Palo Alto (home)](https://www.hvacpaloalto.com/): Overview of heating, cooling and heat pump services in Palo Alto - [Services](https://www.hvacpaloalto.com/services/) - [Service areas](https://www.hvacpaloalto.com/service-areas/) - [Contact](https://www.hvacpaloalto.com/contact/) ## Services - [AC Repair Palo Alto | Air Conditioner Service | ComfortFlow](https://www.hvacpaloalto.com/services/ac-repair/): Air conditioner not cooling in Palo Alto? ComfortFlow diagnoses central AC, heat pump and ductless problems and explains repair vs. replace. Call 650-460-3483. - [AC Installation & Replacement in Palo Alto, CA | ComfortFlow HVAC](https://www.hvacpaloalto.com/services/ac-installation/): New air conditioning for Palo Alto homes, sized with a Manual J load calculation. Central, heat pump and ductless options. Call 650-460-3483. - [Heat Pump Installation Palo Alto | CPAU Rebates | ComfortFlow](https://www.hvacpaloalto.com/services/heat-pumps/): Heat pump installation in Palo Alto with CPAU rebate help ($2,500 to $5,000 when replacing gas heat) and instant permit filing. Call 650-460-3483. - [Ductless Mini-Splits Palo Alto | Eichlers & ADUs | ComfortFlow](https://www.hvacpaloalto.com/services/ductless-mini-splits/): Ductless mini-split heat pumps for Palo Alto Eichlers, additions, ADUs and hot bedrooms. Quiet zoned comfort, no ducts. Call 650-460-3483. - [Furnace Repair Palo Alto | Heating Repair | ComfortFlow](https://www.hvacpaloalto.com/services/furnace-repair/): Furnace not working in Palo Alto? ComfortFlow repairs gas furnaces, heat pumps and wall heaters with safety checks on every visit. Call 650-460-3483. - [Eichler Radiant Heating Repair Palo Alto | ComfortFlow](https://www.hvacpaloalto.com/services/radiant-heating/): Radiant floor heating service for Palo Alto Eichlers: boiler repair, leak diagnosis, heat pump conversion and ductless cooling. Call 650-460-3483. - [Duct Repair & Sealing Palo Alto | Even Rooms | ComfortFlow](https://www.hvacpaloalto.com/services/ductwork/): Uneven rooms in your Palo Alto home? ComfortFlow tests, seals, repairs and replaces ductwork to fix airflow, comfort and efficiency. Call 650-460-3483. - [HVAC Maintenance & Tune-Ups in Palo Alto | ComfortFlow HVAC](https://www.hvacpaloalto.com/services/hvac-maintenance/): Seasonal HVAC tune-ups for Palo Alto homes: AC, heat pump, furnace and mini-split maintenance with a written report. Book with ComfortFlow at 650-460-3483. - [Indoor Air Quality Palo Alto | Smoke Filtration | ComfortFlow](https://www.hvacpaloalto.com/services/indoor-air-quality/): Cleaner indoor air for Palo Alto homes: MERV 13 filtration for wildfire smoke, ERV ventilation and duct sealing. Call ComfortFlow HVAC at 650-460-3483. - [Urgent HVAC Service Palo Alto | No Heat or No AC | ComfortFlow](https://www.hvacpaloalto.com/services/emergency-hvac/): No heat or no AC in Palo Alto? Quick safety checks, what to try first, and how to reach ComfortFlow HVAC Palo Alto for urgent service: 650-460-3483. ## Palo Alto neighborhoods - [Old Palo Alto Heating & Air Conditioning | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/old-palo-alto/): Heating and cooling for Old Palo Alto’s 1920s and 1930s homes: quiet heat pumps, attic and crawlspace ductwork, and permits handled. Call 650-460-3483. - [AC & Heat Pump Service for Crescent Park Homes | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/crescent-park/): Air conditioning, heat pumps and furnace service for Crescent Park homes near San Francisquito Creek. Multi-zone design for large homes. Call 650-460-3483. - [Professorville HVAC | Historic Home Heating | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/professorville/): Careful HVAC work for Professorville’s historic brown-shingle and Craftsman homes: discreet heat pumps, ductless zones and furnace repair. Call 650-460-3483. - [Quiet Heat Pumps for College Terrace Homes | ComfortFlow HVAC](https://www.hvacpaloalto.com/palo-alto/college-terrace/): Heat pumps, ductless and AC for College Terrace’s cottages and bungalows. Quiet equipment that fits small lots and Palo Alto setback rules. Call 650-460-3483. - [Midtown Palo Alto AC, Furnace & Duct Service | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/midtown/): AC, furnace, heat pump and duct service for Midtown Palo Alto’s ranch homes and remodels. Fix uneven rooms and plan your electric upgrade. Call 650-460-3483. - [Barron Park Heating and Air Conditioning | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/barron-park/): Heating and AC service for Barron Park homes, from older cottages to new builds. Heat pumps, ductless, furnace repair and duct fixes. Call 650-460-3483. - [Greenmeadow Eichler Radiant Heat & Cooling | ComfortFlow](https://www.hvacpaloalto.com/palo-alto/greenmeadow/): Radiant heat repair and ductless cooling for Greenmeadow Eichlers in south Palo Alto. Leak diagnosis, boiler service and heat pump upgrades. Call 650-460-3483. - [Cooling & Heating for Fairmeadow Eichlers | ComfortFlow HVAC](https://www.hvacpaloalto.com/palo-alto/fairmeadow/): Ductless cooling, radiant heat service and heat pump conversions for Fairmeadow’s Eichlers on “the Circles” in south Palo Alto. Call 650-460-3483. ## Nearby cities - [HVAC Menlo Park, CA | Heat Pumps & AC Repair | ComfortFlow](https://www.hvacpaloalto.com/service-areas/menlo-park/): Heat pump installation, AC repair and furnace service in Menlo Park, CA from ComfortFlow, just across San Francisquito Creek. Call 650-460-3483. - [Mountain View HVAC | Heat Pumps & AC Service | ComfortFlow](https://www.hvacpaloalto.com/service-areas/mountain-view/): Heating and cooling service in Mountain View, CA: heat pumps, AC repair, furnace service and ductless for Monta Loma Eichlers. Call 650-460-3483. - [Los Altos Heating & Cooling | Heat Pumps | ComfortFlow](https://www.hvacpaloalto.com/service-areas/los-altos/): Heat pump installation, AC repair and furnace service for Los Altos, CA homes. Right-sized systems for larger ranch homes and remodels. Call 650-460-3483. - [Los Altos Hills HVAC for Large Hillside Homes | ComfortFlow](https://www.hvacpaloalto.com/service-areas/los-altos-hills/): Multi-system HVAC for Los Altos Hills estates: heat pumps, zoning, guest house ductless and annual maintenance. ComfortFlow HVAC: 650-460-3483. - [East Palo Alto AC & Heating Repair | ComfortFlow](https://www.hvacpaloalto.com/service-areas/east-palo-alto/): AC repair, furnace and wall heater service, and heat pump installs in East Palo Alto, CA. Ask about income-qualified upgrade programs. Call 650-460-3483. - [Stanford Campus Home Heating & Cooling | ComfortFlow](https://www.hvacpaloalto.com/service-areas/stanford/): Heating, cooling and heat pump service for faculty and staff homes on the Stanford campus. Careful planning around campus review. Call 650-460-3483. - [Atherton HVAC for Estate Homes | ComfortFlow](https://www.hvacpaloalto.com/service-areas/atherton/): Heating and cooling for Atherton estates: multi-system heat pump design, zoning, guest houses and full-property maintenance. Call 650-460-3483. ## Guides - [Palo Alto Heat Pump Rebates 2026: CPAU Guide | ComfortFlow](https://www.hvacpaloalto.com/blog/palo-alto-heat-pump-rebates/): How City of Palo Alto Utilities heat pump HVAC rebates work: $2,500 or $5,000 core rebate, panel and wiring add-ons, deadlines and how to apply. - [Palo Alto Heat Pump Instant Permit: Rules & Setbacks | ComfortFlow](https://www.hvacpaloalto.com/blog/palo-alto-heat-pump-instant-permit/): What qualifies for Palo Alto’s instant permit for residential heat pump HVAC: up to three systems, under 65 dBA, placement rules, setbacks and documents. - [Eichler Radiant Heating: Repair or Replace? | Palo Alto Guide](https://www.hvacpaloalto.com/blog/eichler-radiant-heating-repair-or-replace/): A practical guide for Palo Alto Eichler owners: signs of radiant slab leaks, repair options, air-to-water heat pumps and when to switch to ductless. - [Repair or Replace AC in Palo Alto? Decision Guide | ComfortFlow](https://www.hvacpaloalto.com/blog/repair-or-replace-ac-palo-alto/): When to repair an air conditioner and when to replace it in Palo Alto: age, refrigerant, repair cost, and why a heat pump often makes more sense. - [Heat Pump Noise & Placement Rules in Palo Alto | ComfortFlow](https://www.hvacpaloalto.com/blog/heat-pump-noise-placement-palo-alto/): How Palo Alto’s 65 dBA limit, setbacks and placement rules shape where your outdoor heat pump can go, plus tips for quiet, neighbor-friendly installs. - [HVAC Maintenance Checklist for Palo Alto Homes | ComfortFlow](https://www.hvacpaloalto.com/blog/hvac-maintenance-checklist-palo-alto/): A season-by-season HVAC checklist for Palo Alto homeowners: filters, coils, drains, smoke season prep and when to book a professional tune-up.