When your AC or furnace quits, you want it fixed once, not patched until next season. Napa HVAC finds the root cause and fixes it right, with fast, reliable service from the first call.
A broken AC or furnace doesn't wait, and neither should your service company. With technicians based around the Napa area, we provide fast, reliable service and hands-on care from experienced pros who know the climate and housing stock of our region.
Whatever your system needs, a quick fix, a smart upgrade, or a full replacement, our team covers it start to finish with workmanship that lasts.
Year-round heating and cooling from one efficient system.
Complete heating and cooling systems designed around your home's actual load.
New air conditioners sized by load calculation and commissioned properly.
Mini-splits for the rooms that never get comfortable.
Warm air, frozen coils, or a unit that won't start, diagnosed and fixed right.
System replacements with proper sizing and a full commissioning test.
Dust, odors, and weak airflow traced back to the ductwork and fixed.
Heat pumps, furnaces, and boilers brought back to steady, even heat.
Heating and cooling repairs on every major brand, most finished in one visit.
Furnace replacements matched to your home, not the biggest unit on the truck.
Igniters, flame sensors, blowers, and boards fixed, most in one visit.
Seasonal tune-ups that catch small problems before they strand you.
Available now·Talk with someone about your HVAC needs
Most of the calls we answer come down to two things: a house that won't cool, or a house that won't heat. Here's how we handle both.
Most air conditioner breakdowns trace back to one failed part: a weak capacitor, a burned contactor, a seized fan motor, or a slow refrigerant leak. We diagnose it with gauges and meters, not guesswork. You get a clear price before any work starts, and if the system is old enough that replacement makes more sense, we'll show you both numbers.
A furnace that won't light on a cold night can't wait until morning. Most no-heat calls come down to a dirty flame sensor, a failed igniter, or a blower motor, and our trucks carry the common parts to fix them on the spot. We also check for the problems that matter for safety, like a cracked heat exchanger, and give you an upfront price before any work begins.
Wondering if it's bad enough to call? These are the most common heating and cooling problems we fix in homes across the area.
Warm air from the vents usually traces to a weak capacitor, a refrigerant leak, or a frozen coil, all fixable, and all diagnosable in one visit.
AC repairIf the blower runs but the air never warms, or the unit clicks without lighting, the failure is diagnosable in minutes with the right tools.
Furnace repairWeak airflow at the vents points to duct restrictions, a struggling blower, or high static pressure. A tune-up finds it before it kills the motor.
Maintenance & tune-upsWe size replacements with a real load calculation, not a guess, so the new system delivers even temperatures and lower bills from day one.
System replacementA musty smell at startup often means moisture in the ducts or a dirty evaporator coil, worth addressing before it becomes a bigger air-quality problem.
Air duct cleaningMini-splits deliver precise heating and cooling to a single zone, run whisper-quiet, and sip electricity compared to window units.
Mini-split installationMost repair calls are diagnosed and fixed in a single visit because we stock the common parts, capacitors, contactors, igniters, motors, on every truck.
We don't cut corners. Our team is experienced, background-checked, and fluent in every major brand, from a 20-year-old gas furnace to the newest inverter-driven heat pump.
You'll get a clear written quote before any work starts, and the price you approve is the price you pay. That's why so many customers call us back.
We don't just swap the failed part. We check what killed it, airflow restriction, voltage, refrigerant charge, drainage, and correct that too, so the same failure doesn't repeat next season.
Year after year, Napa HVAC has been the team local families call when the AC quits or the furnace goes cold. We've serviced systems in nearly every neighborhood around town, and that track record shapes how we approach each job, from the first diagnostic to the final test.
Anyone can bolt in a condenser. Lasting comfort comes from understanding the home and the system together, and that's where our years working in this area pay off, fewer callbacks, faster fixes, and installs that pass inspection without drama.
Talk to someone who actually knows heating and cooling. Honest, no-pressure pricing over the phone.
Every job runs through the same proven steps, so nothing gets missed and the fix actually lasts.
Pick up the phone and dial (707) 210-0201. A few quick questions later, your appointment is on the calendar, frequently the same day.
We don't guess. The diagnostic covers the full system and turns into a straightforward recommendation with the cost spelled out up front.
From swapping a contactor to setting a new condenser, every job gets the same standard: right parts, right sizing, right workmanship.
Before we leave, the system is tested end to end and your questions are answered. Seasonal tune-up plans are available to protect the investment.
Upfront pricing · Same-day service available
Acting quickly keeps a small failure from becoming a big one. Here's exactly what happens when you call Napa HVAC for emergency HVAC service.
The first call is where it all starts. Someone on our team picks up, works out how urgent the situation is, and schedules the soonest visit available, while telling you the few simple things to do in the meantime.
There's no waiting around for days. A fully equipped technician pulls up to your home, often same-day, with the parts already on board to diagnose and start fixing right then.
This is where the problem actually gets solved. We repair what's repairable immediately, and when replacement is the honest answer, we handle removal, disposal, and a code-compliant install without drama.
We don't disappear once the visit is done. We follow up to confirm everything is holding, and for systems in their later years we'll suggest the maintenance rhythm that keeps them reliable instead of surprising you.
"When our old furnace was on its last legs, they walked us through converting to a heat pump instead of just quoting a like-for-like swap. The first winter's bills were noticeably lower, and we got cooling out of the same equipment. Zero regrets on this one."
"Our restaurant's rooftop unit failed on a Friday with a full weekend of reservations booked. Their team got it running the same day. They clearly understood what downtime costs a Napa business, and they came back the next week to fully service the second unit. They've got all our locations now."
"Half our house was always five degrees warmer than the thermostat said. The tech rebalanced the dampers and fixed a kinked duct run, then set up a new smart thermostat and actually taught us how to use it. Every room finally feels the same."
Good HVAC service comes down to doing the small things right. These are the commitments that earn Napa HVAC repeat customers and referrals year after year.
The difference shows up in the results. Our technicians have logged real years on these systems, so they identify the actual fault the first time and fix it properly instead of throwing parts at your system until something sticks.
We size every replacement to your home's real heating and cooling load rather than defaulting to whatever's on the truck. Installations get done to code: correct gas and electrical work, balanced airflow, and full commissioning. You get a system that performs for years, not just on day one.
Our team focuses on keeping systems alive with simple, scheduled care. If you want years more from your current equipment, our spring and fall maintenance visits clean coils, verify the charge, and test every safety control. No surprises, no hidden fees. This focus on longevity is one reason we maintain a 4.8-star rating across 150+ reviews.
Wherever you are in our service area, we've got it covered, with fast repairs, quality installs, and maintenance plans reaching every community on our list.
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