San Francisco HVAC Repair, Installation & Maintenance
When you need a trusted heating and cooling company in San Francisco, Irvine HVAC is the company to call. We've been keeping local homes and businesses comfortable year after year, building our reputation one satisfied customer at a time. Our experienced technicians live and work in the area, which means shorter waits and a real understanding of the climate patterns, housing stock, and ductwork quirks that shape how HVAC systems here perform and fail.
From a single no-cool emergency to complete system replacements, ductless mini-split installations, and seasonal maintenance programs, our team takes on every type of residential and commercial heating and cooling need. We offer fast service and give you upfront pricing before any work begins, no hidden fees, ever. Our trucks carry the parts that fail most, capacitors, contactors, igniters, flame sensors, blower motors, and thermostats, so most repairs are finished in a single visit.
Whether your air conditioner is tripping the breaker, your furnace is short-cycling or refusing to light, or you're simply planning ahead for a system past its prime, one call to (949) 288-0040 gets an experienced local technician headed your way with everything needed to restore your comfort the same day whenever possible.

Complete Heating & Cooling Services for San Francisco Properties
Heating and cooling around here covers a lot of ground: aging furnaces in established neighborhoods, newer heat pumps in recent construction, ductless mini-splits in additions and converted garages, and rooftop units on commercial buildings. Our team handles all of it. We have years of field experience, and we've learned how the local climate, the age of local homes, and local code affect the way equipment runs and fails.
A normal week for our residential team includes capacitor and contactor replacements, flame sensor cleanings, refrigerant leak repairs, blower motor swaps, plus the occasional full system replacement or ductless addition. When we do replace equipment, we size it with a room-by-room load calculation rather than matching the old unit. Right-sized equipment keeps rooms even, keeps utility bills reasonable, and avoids the short-cycling that kills compressors early. Beyond repairs and replacements, we offer seasonal tune-ups that clean coils, confirm the refrigerant charge, test safety controls, and measure static pressure, the best thing you can do for a longer-lasting system.
Local businesses receive the same care. A hot dining room or a drafty office drives customers and staff away, so our commercial technicians focus on fast diagnosis and keep common parts on board for rooftop units, split systems, and ventilation equipment. Restaurants, retail shops, offices, and multi-unit buildings can ask us to schedule work around their operating hours whenever possible.
Fast HVAC Response in San Francisco
Call us with a problem and a real person answers, not a recording. Most service requests are scheduled the same day or the next, and true emergencies, a dead air conditioner during a heat wave or a furnace that fails on a freezing night, go straight to the front of the line. Scheduling stays flexible so you're not left waiting for a callback.
The emergency calls we answer usually follow a pattern. On the cooling side, it's an AC blowing warm air, an outdoor unit that hums without starting, or an evaporator coil frozen solid. On the heating side, it's a furnace that lights and then shuts down. Year-round, it's breakers that trip every cycle, plugged condensate drains backing water into the furnace cabinet, and thermostats that have quit. Since our trucks are stocked with capacitors, contactors, igniters, flame sensors, universal control boards, and fittings, most of these are wrapped up in one visit, with the price agreed before any work begins.
Two common situations call for quick action from you before a technician arrives. The first is an iced-over air conditioner: switch the system off at the thermostat and set the fan to "on" so warm indoor air thaws the coil, because continuing to run it can flood the drain pan and damage the compressor. The second is a furnace that short-cycles or gives off a burning smell. Shut it down at the switch and give us a call. That small step can prevent a far bigger repair.
How San Francisco Homeowners Can Extend HVAC Life
Most mid-season breakdowns start with maintenance that never happened, and the habits that prevent them are simple. Swap your filter every one to three months, clear vegetation at least two feet from the outdoor condenser, and rinse the condenser coil once a year in spring. Then book a professional tune-up twice a year, one for cooling and one for heating, so our technicians can catch small problems while they're still cheap to fix.
The age of your equipment plays a big role. With regular service, central air usually runs 12 to 15 years, a furnace 15 to 20, and a heat pump 10 to 15. Once a system passes that range and starts acting up, like rising energy bills, rooms that never reach the setpoint, or one repair after another, it's time to plan a replacement. A planned replacement costs less and is far less stressful than scrambling for a new system during the worst heat wave of summer.
If comfort problems do show up, acting quickly keeps them small. A weak capacitor is a quick fix. The same capacitor left alone 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 follow familiar patterns. In summer it's air conditioners humming but not cooling, weak capacitors that finally quit on the first hot week, and iced-over evaporator coils. In winter it's furnaces that light and shut back down, 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. All of them start small, and all of them cost less to fix early. If your system is acting up, call (949) 288-0040 before the season turns it into an emergency.
Trusted Local Service
As a locally-operated HVAC company, we understand the unique challenges homeowners here face. From capacitors that quit in a heat wave to igniters that fail on the first cold night, our technicians know what to look for and how to fix it.
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Get Help: (949) 288-0040Our Local HVAC Services
From single-family homes to commercial properties, our team covers every comfort need in the area, including:
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Get Help: (949) 288-0040The Reason San Francisco Keeps Calling Us
Plenty of companies will happily sell you a new system. Irvine HVAC earns trust around here by fixing the ones that don't need replacing and being honest about the ones that do. Our technicians diagnose the actual fault before quoting anything, explain your options in plain language with real numbers, and leave the decision to you. 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 don't cut corners: 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.
Common Heating & Cooling Questions
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