San Francisco HVAC Service You Can Count On
San Francisco homeowners don't call an HVAC company on a good day. They call when the AC dies in a heat wave, when the furnace clicks but never lights, when one bedroom stays ice cold no matter what the thermostat says. Berkeley HVAC built its local reputation on those calls: picking up the phone, arriving with stocked trucks, and fixing the actual fault instead of selling a new system. From quick capacitor swaps to full heat pump installations, our technicians handle every job with upfront pricing and no pressure, and we treat your home like it belongs to a neighbor, because around here, it does.

Complete Heating & Cooling Services for San Francisco Properties
We service every type of heating and cooling equipment you'll find in local homes and businesses, from central air conditioners and gas furnaces to heat pumps and ductless mini-splits. It makes no difference whether the building is a single-family house, a condo, or a storefront. Our technicians understand the local weather, the way homes here were built, and the code requirements that apply to new installations, which pays off in the quality of every repair.
On the residential side, we take care of everything from quick fixes, like a weak capacitor, a pitted contactor, a dirty flame sensor, or a seized blower motor, to tracking down refrigerant leaks, full system change-outs, and ductless additions. We size every new system with a proper load calculation rather than guesswork, so you get even temperatures and sensible utility bills instead of a unit that short-cycles itself to an early death. Our seasonal tune-ups clean coils, verify refrigerant charge, test safety controls, and check static pressure, the single best way to extend equipment life.
Local businesses get the same care. A hot dining room or a freezing office costs real money, so our commercial technicians focus on getting to the cause quickly and keep high-failure parts on board for rooftop units, split systems, and ventilation equipment. Property managers, restaurant owners, and retailers can count on us to work around their business hours whenever possible.
When Your System Fails in San Francisco
Heating and cooling failures rarely wait for a convenient day, which is why we offer prompt, flexible scheduling for most situations. When you call, you'll reach a real person who gets a technician headed to your door without delay. Arrival in the area is usually within a day for urgent calls, and a dead AC in a heat wave or a furnace out on a freezing night is the kind of call we move to the front of the line.
Common emergencies we handle include air conditioners blowing warm air, outdoor units that hum but won't start, furnaces that ignite and then shut down, breakers that trip whenever the system starts, frozen evaporator coils, clogged condensate drains backing up into the furnace cabinet, and thermostats that have simply given up. Our trucks carry the capacitors, contactors, igniters, flame sensors, universal control boards, and fittings needed to complete most repairs in a single visit. Pricing is always upfront, so you know exactly what the work will cost before we begin.
A few minutes of caution while you wait for us can prevent a much larger repair. A frozen air conditioner should be turned off at the thermostat with the fan set to "on", which lets the coil thaw safely. Running it frozen risks an overflowing drain pan and a damaged compressor. A furnace that keeps short-cycling, or any burning smell, means it's time to shut the unit off at its service switch and call us immediately.
Getting More Years From Your HVAC System in San Francisco
A little routine care makes all the difference between a system that lasts and one that quits in the middle of the season. Our advice for homeowners is a short list: fresh filters every one to three months, two feet of clearance around the outdoor condenser, a spring rinse of the condenser coil, and a professional tune-up every spring and fall, so small issues get caught early.
Take a look at the age of your system. Its age tells you a lot. Most well-maintained air conditioners make it to 12 to 15 years, gas furnaces 15 to 20, and heat pumps 10 to 15. If your system is beyond that point and is also showing rising bills, rooms that never quite reach temperature, or frequent repairs, it's usually due for a planned replacement, which is almost always cheaper and easier on everyone than an emergency replacement when the first heat wave hits.
If comfort problems do show up, acting quickly keeps them small. A weak capacitor is a quick fix. The same capacitor ignored for a season can take the compressor with it and turn a minor repair into a full system replacement. It's smart to keep our number saved on your phone so you can reach us at the first sign of trouble. Early intervention saves time, money, and sleepless nights.
Comfort Challenges San Francisco Homeowners Face
The service calls we run around here tend to follow the calendar. In summer it's warm air from the vents, weak capacitors that finally quit on the first hot week, and condensate drains backing up into the furnace cabinet. In winter it's furnaces that short-cycle, dirty flame sensors, and igniters that fail on the first cold night. Year-round we see thermostats misreading rooms, rising energy bills from dirty coils, and ductwork that leaks conditioned air into attics and crawlspaces. Every one of these starts small, and every one is cheaper to fix early. If your system is acting up, call (510) 201-4758 before the season turns it into an emergency.
Your Go-To Heating & Air Team
Living and working here gives us firsthand knowledge of what local homes need to stay comfortable. No matter the brand or system type, our team brings the right tools and proven methods to get your home comfortable again.
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Get Help: (510) 201-4758Why San Francisco Residents Choose Us
Plenty of companies will sell you a new HVAC system. Berkeley HVAC earns trust around here by fixing the ones that don't need replacing and being honest about the ones that do. We find the actual fault before we quote a dollar, explain your options in plain terms with real numbers, and let you decide without pressure. When replacement is the right call, we size the new system with a proper load calculation based on your home's real heating and cooling load, square footage, insulation, windows, and duct capacity, instead of defaulting to whatever's on the truck.
The workmanship holds up because we sweat the details: correct refrigerant charge weighed in rather than guessed, sealed duct connections, proper condensate drainage, verified combustion and airflow on heating equipment, and clean electrical work that passes inspection the first time. We arrive when we said we would, cover your floors, haul away the old equipment, and test the full system in every mode before we pack up. It's why so much of our local work comes from repeat customers and referrals, and why we back every job with a satisfaction guarantee.
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