Find a 24/7 Heat Pump Technician in San Francisco, CA
When your AC or heat fails on the worst day of the year, every hour matters. Connect with an independent local HVAC pro — our phone line is open 24/7.
By Gyanesh Gulshan — Founder, Cool Call Pro
HVAC emergencies in San Francisco
Call Now — (844) 582-179524/7 call line · call to check availability in San Francisco
AC out, blowing warm, or iced over
Outdoor unit silent · indoor blower running but warm air · ice on the refrigerant lines · short-cycling on/off. Possible causes range from electrical parts (capacitor, contactor) to a refrigerant problem — both need a technician to diagnose.
Furnace not igniting or blowing cold
Furnace won't ignite · blowing cold air · short-cycling · burning smell on first startup. If you smell gas, leave the building right away without flipping switches or using phones inside, then call 911 or your gas utility’s emergency line from outside.
Banging, screaming, or grinding outdoor unit
Loud bangs · metal-on-metal screaming · grinding or rattling from the outdoor unit. Possible causes include a failing fan motor, a loose blower wheel, or worn compressor bearings. Turn the system off at the thermostat and call a technician.
How Cool Call Pro works in San Francisco
24/7 San Francisco call line
Our phone line is open 24/7. Calls are routed to independent HVAC providers in the San Francisco area where one is available; hours, weekend and holiday coverage, and overnight surcharges are set by each provider.
Call to check availability
Provider availability varies by address and time of day, so call to check availability in San Francisco. The neighborhoods and ZIPs listed for this page are in the Services & service area section below.
Check licenses yourself
Cool Call Pro does not check contractor licenses or insurance. Verify any contractor’s license with the California license lookup. California rules are in the local data section below.
San Francisco's marine coastal climate & your HVAC
This Zone 3C (Warm-Marine) climate splits the year between heating and cooling load. Federal SEER2 14.3 (Southwest Region) minimum applies to new AC equipment. A heat pump handles both heating and cooling from one outdoor unit.
Avg summer high
IECC zone (marine coastal)
Avg winter low
Federal SEER2 minimum
Days/yr above 90°F
Days/yr below 32°F
San Francisco had an estimated 826,079 residents on July 1, 2025. In San Francisco, the median home was built in 1945 with a current median value of $1,380,500. Around 38% of homes are owner-occupied. About 56% of households heat with natural gas vs. 35% electric. The California grid averages $0.33/kWh. Sources: U.S. Census population estimates · U.S. Census ACS 2019–2023 5-year tables B25035 · B25077 · B25003 · B25040 · U.S. EIA state rates.
Read our guide on heat pump guide.
HVAC in San Francisco, CA: local data & sources
Every numerical claim below references a federal, state, or municipal primary source — NOAA climate normals, U.S. Census ACS, the California licensing authority, and your local utility's published rebate program.
NOAA NCEI 1991–2020 Normals
San Francisco International Airport (KSFO) is the NOAA reference station for the city. Per the NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00023234), San Francisco records an annual mean temperature of 58.7°F, approximately 2,475.4 annual heating degree days against only 200.2 cooling degree days, and 19.64 inches of annual precipitation. The 12.4:1 HDD-to-CDD ratio shows how little cooling is needed — San Francisco’s marine climate almost never demands refrigerant cooling, which is why tens of thousands of SF homes operate year-round without any central AC system.
U.S. Census ACS 2023 5-Year
The U.S. Census Bureau ACS 2023 5-year estimates (Tables B25040 and B25035 for San Francisco city, California) report 362,650 occupied housing units with a median year built of 1945. Heating-fuel distribution: 56.0% utility natural gas (203,069 units), 34.7% electricity (125,802 units), and a striking 5.9% of units reporting no fuel used for heating (21,477 units — an unusually high share reflecting SF’s mild marine climate where passive envelope performance plus space heaters often suffice). San Francisco’s pre-war Victorian and Edwardian row houses often have no central ducting and no central AC — both additions have historically not been necessary.
BayREN
San Francisco is served by PG&E for both electricity and natural gas, and residents have access to regional incentives through the Bay Area Regional Energy Network (BayREN). Per the BayREN EASE Home program page: “EASE Home covers 80% of the cost for core upgrades, such as insulation and duct sealing. You pay just 20% of the total project cost, with your contribution capped at $1,000.” For current PG&E residential rebate amounts (heat pump, smart thermostat), see pge.com directly. Every HVAC contractor working in San Francisco must hold a California C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license from the California Contractors State License Board. Permit fees for residential mechanical work are set by the San Francisco Department of Building Inspection (DBI); contact DBI directly for the current fee schedule. The federal Section 25C tax credit was terminated for installations after Dec 31, 2025 (OBBBA, P.L. 119-21).
PG&E, DSIRE, SF Department of Building Inspection (DBI)
San Francisco homeowners served by PG&E may qualify for savings through PG&E TECH Clean California when installing qualifying high-efficiency equipment. Check your state energy office and utility for current rebate programs — the federal Section 25C tax credit was terminated for installations placed in service after Dec 31, 2025 (P.L. 119-21). Primary source: DSIRE — California.
The federal Section 25C Energy Efficient Home Improvement Credit was terminated for installations placed in service after Dec 31, 2025 by the One Big Beautiful Bill Act (Public Law 119-21). Check your state energy office and utility for current rebate programs. See our HVAC financing options for what's still available.
Services & service area
Services you can ask about
- Emergency AC & Heating Repair in San Francisco
- Heat Pump Installation in San Francisco
- Corrosion-Resistant HVAC Systems for Marine Climates
- Ductwork Inspection, Mold Prevention & Sealing
- HVAC System Maintenance & Seasonal Tune-Ups
Neighborhoods & ZIPs listed for San Francisco
- Sunset District
- Richmond District
- Noe Valley
- Bernal Heights
- Excelsior
- ZIP codes: 94122, 94118, 94114, 94110, 94112
HVAC repair costs: national ranges for San Francisco, CA homeowners
Cool Call Pro editorial estimates of typical U.S. prices from our 2026 cost guide — not quotes and not San Francisco-specific. Actual price varies by provider and complexity.
Diagnostic / service call
$65–$150
Some providers credit it toward the repair — ask when you call
Minor AC repair
$75–$500
Capacitor, contactor, thermostat, drain line
Refrigerant recharge
$150–$600
R-410A per recharge; leak fix extra
After-hours surcharge
$100–$300
Added to repair cost on emergency calls
See full repair, install, and replacement ranges in our 2026 HVAC Cost Guide and how we build these ranges →
Ready to talk to an HVAC pro in San Francisco?
Independent technicians · 24/7 call line · Verify any contractor’s license with the California license lookup
Call Now — (844) 582-1795Disclosure: We are a referral service and may receive compensation for qualified calls. Calls may be routed to an independent provider network and may be recorded. Pricing and availability vary by provider and location.
This page also covers these cities
Homeowners in the cities below can use the same number as San Francisco. Call to check provider availability for your address.
Neighborhoods, ZIPs & permits
Neighborhoods: Montgomery Village, Rincon Valley, Bennett Valley, Oakmont, Fountaingrove. ZIP codes listed: 95405, 95409, 95404, 95403, 95401. Local permits through Planning & Economic Development Dept. – Building Division.
Frequently Asked Questions — San Francisco, CA
Yes, ensure your contractor files a mechanical permit with the SF Department of Building Inspection (DBI). Pulling the correct permits protects you as a homeowner and ensures work is inspected to code.
Rebate programs for San Francisco homeowners are summarized, with sources, in the Local Rebates & Permits card above. Confirm current amounts and eligibility with your utility (PG&E) before scheduling work. The federal Section 25C credit was terminated for installations placed in service after Dec 31, 2025 (One Big Beautiful Bill Act, P.L. 119-21); check your state energy office and utility rebate programs instead.
The neighborhoods and ZIP codes listed for San Francisco are in the ZIPs & Neighborhoods card above. Provider availability varies by address, so call (844) 582-1795 to check availability in San Francisco.
Cool Call Pro’s editorial estimate for a standard AC replacement in San Francisco is $5,000–$8,500, and for furnace installations $3,000–$7,200. These are our own estimates, not quotes or survey data — see how we build cost ranges. Costs vary with system size, efficiency rating, and installation complexity. In California, new AC units must meet a minimum SEER2 14.3 (Southwest Region) rating.
In California, HVAC contractors should hold this license: CA CSLB - C-20 HVAC License. Always verify your contractor’s credentials before authorizing work. For San Francisco residents, permits are filed through the SF Department of Building Inspection (DBI).