No overtime surcharges, no vague 'diagnostic fee' games, no pressure toward a system you don't need.
From a dead compressor at 6am to a furnace that won't ignite on the coldest night of the year, AAA Pro HVAC treats every call in Lagunitas, CA like the emergency it feels like to you.

AAA Pro HVAC didn't start as a franchise rollout or a private-equity roll-up — it started with technicians who got tired of watching homeowners get overcharged for underexplained work.
We service both residential and light commercial systems across Lagunitas, CA: split systems, packaged units, ductless mini-splits, gas furnaces, electric furnaces, and heat pumps.
We're not the loudest advertiser in Lagunitas, CA, and we're fine with that — most of our Lagunitas, CA calls come from repeat customers and referrals, which tells you more about the work than any billboard could.
Licensing, insurance, and EPA 608 refrigerant certification aren't optional extras for our Lagunitas, CA crews — they're the baseline before a technician ever gets handed a set of keys.
We track every Lagunitas, CA job through to a documented completion, which is part of why repeat calls on the same fault are rare. That same standard applies whether the call comes from a single-family home, a rental property, or a small business across Lagunitas, CA.

Catching a problem early, before it becomes a total breakdown, almost always means a shorter repair and a smaller bill.
Warm air despite a set cool temperature is one of the most common calls our Lagunitas, CA techs field, and it's rarely as simple as 'low on freon'. Ignoring warm air from the vents rarely makes the underlying issue cheaper to fix later.
A furnace that clicks but never lights, or one that lights and shuts off within seconds, usually points to a failing ignitor, a fouled flame sensor, or a safety switch doing exactly its job. Our Lagunitas, CA techs see this specific pattern often enough to diagnose it quickly rather than guess.
A system working harder than it should to hit the same setpoint is a system with a developing problem, even if it hasn't fully failed yet. Ignoring rising utility bills with no usage change rarely makes the underlying issue cheaper to fix later.
A grinding or squealing sound usually points to a motor bearing wearing out; a banging sound during startup often means a loose or broken internal component. Our Lagunitas, CA techs see this specific pattern often enough to diagnose it quickly rather than guess.
This is one of the most misdiagnosed HVAC complaints, since it's tempting to blame the thermostat instead of the actual airflow path. Ignoring uneven temperatures room to room rarely makes the underlying issue cheaper to fix later.
Short cycling is often caused by a dirty air filter, low refrigerant, or an oversized system, and it gets more expensive to ignore, not less. Our Lagunitas, CA techs see this specific pattern often enough to diagnose it quickly rather than guess.
From the first symptom to the final fix, this is what AAA Pro HVAC covers across Lagunitas, CA.
From a condenser that won't start to a full central air replacement, our Lagunitas, CA AC technicians handle refrigerant leaks, compressor diagnostics, capacitor failures, and complete system installs. Refrigerant leak detection uses electronic detectors and UV dye, not a repeated top-off that never addresses the actual leak. Techs handling ac repair & installation carry the specific parts and tools this job calls for, not a generic kit.
Gas and electric furnace repair, heat pump service, and full heating system installation are all within scope for our Lagunitas, CA technicians. We carry ignitors, gas valves, and control boards for the major furnace brands installed across Lagunitas, CA. Techs handling heating & furnace services carry the specific parts and tools this job calls for, not a generic kit.
Indoor air quality add-ons including whole-home filtration, UV air treatment, and humidity control are installed and serviced by the same Lagunitas, CA crews handling your core system. Mastic sealing, not just tape, on any duct joint we repair, since tape degrades in attic heat within a couple of seasons. Techs handling ductwork & indoor air quality carry the specific parts and tools this job calls for, not a generic kit.
Phone triage happens before a truck rolls — gas smell, smoke, or burning odor reports get immediate safety instructions and top-priority routing. After-hours pricing is disclosed on the call, before dispatch, so there's no surprise on the invoice. This is one of the most requested Hvac calls we get across Lagunitas, CA.
Twice-yearly tune-ups, once ahead of cooling season and once ahead of heating season, catch the small issues that turn into mid-season breakdowns if left alone. Plan members receive scheduling priority ahead of peak-season demand and a discount on any repair found during the visit. This is one of the most requested Hvac calls we get across Lagunitas, CA.
We understand that commercial downtime has a cost beyond comfort, which is why commercial dispatch is scheduled around your business hours, not just first-available. Preventive maintenance agreements for Lagunitas, CA property managers and facility teams keep equipment running and budgets predictable. This is one of the most requested Hvac calls we get across Lagunitas, CA.

Describe the symptom — no cool, no heat, strange noise, tripped breaker — and dispatch routes the nearest available Lagunitas, CA technician. This step matters as much as any other in the Hvac process, and skipping it is usually where things go wrong at other companies.
Trucks are staged throughout Lagunitas, CA, not dispatched from a single central depot, which keeps arrival windows realistic. Our Lagunitas, CA dispatch and field teams are trained on this exact sequence so nothing gets skipped under pressure.
A full diagnostic pass — electrical, refrigerant, airflow, combustion where relevant — happens before a single number gets quoted. This step matters as much as any other in the Hvac process, and skipping it is usually where things go wrong at other companies.
Most repairs finish same-visit with parts already on the truck. Our Lagunitas, CA dispatch and field teams are trained on this exact sequence so nothing gets skipped under pressure.

Our crews are bonded and background-checked before they're ever handed a company vehicle, not just badge-printed and sent out. This isn't a marketing line — it's how every Lagunitas, CA call gets handled, from the first ring to the final invoice.
The number you approve is the number on your invoice, with no mid-job upsell added after the fact. This isn't a marketing line — it's how every Lagunitas, CA call gets handled, from the first ring to the final invoice.
We stage trucks throughout Lagunitas, CA so a technician is rarely more than an hour out on a standard call. Ask any Lagunitas, CA customer who's had a repeat issue elsewhere fixed correctly here on the first visit.
Manifold gauges, combustion analyzers, amp clamps, and static pressure meters ride in every Lagunitas, CA van, not just the big jobs. Ask any Lagunitas, CA customer who's had a repeat issue elsewhere fixed correctly here on the first visit.
If something we fixed fails again within the guarantee window, we come back and make it right at no extra charge. Ask any Lagunitas, CA customer who's had a repeat issue elsewhere fixed correctly here on the first visit.
After-hours and emergency rates are disclosed on the phone before a truck is dispatched anywhere in Lagunitas, CA. Ask any Lagunitas, CA customer who's had a repeat issue elsewhere fixed correctly here on the first visit.

Real feedback from real Hvac calls handled across Lagunitas, CA, not cherry-picked marketing copy.
Had the new capacitor in and the system running before I'd even finished my coffee.
Their tech traced it to a wiring fault at the thermostat and fixed it for a fraction of what I braced for.
Tech tested the ignitor's resistance right in front of me and swapped it in under thirty minutes.
This crew actually measured the house and explained why our old system was oversized the whole time.
They caught a weak capacitor during the spring tune-up that would've failed by July.
They had someone at the door within the hour and didn't blink at the after-hours call.
House was sitting at 84 degrees and the vents were blowing lukewarm air.
Bedroom over the garage never got below 80 in summer no matter what.

Emergency no-heat and no-cool calls receive priority routing regardless of time of day. This is one of the questions our Lagunitas, CA dispatch team fields most often.
Yes, an after-hours rate applies and is disclosed on the phone before dispatch — never hidden until the invoice arrives. This is one of the questions our Lagunitas, CA dispatch team fields most often.
Yes — the diagnostic charge is credited toward the approved repair, so you're not paying twice for the same visit. Feel free to ask your Lagunitas, CA technician directly if anything here needs more detail for your specific situation.
We service all major residential and light commercial HVAC brands, including central air, ductless mini-splits, gas and electric furnaces, and heat pumps. This is one of the questions our Lagunitas, CA dispatch team fields most often.
Financing options are available for qualified customers across Lagunitas, CA — ask your technician or dispatch for current terms. Feel free to ask your Lagunitas, CA technician directly if anything here needs more detail for your specific situation.
Systems in heavy year-round use in Lagunitas, CA may benefit from more frequent checks. This is one of the questions our Lagunitas, CA dispatch team fields most often.
As a rule of thumb, a repair under a third of replacement cost on a system with years of life left is usually worth making. This is one of the questions our Lagunitas, CA dispatch team fields most often.
A technician can usually isolate the immediate cause during the first visit and flag anything else worth watching. Feel free to ask your Lagunitas, CA technician directly if anything here needs more detail for your specific situation.
Mini-splits are often the practical choice for additions or homes where extending ductwork isn't feasible. This is one of the questions our Lagunitas, CA dispatch team fields most often.
That distinction matters for accountability, insurance coverage, and the consistency of the work. Feel free to ask your Lagunitas, CA technician directly if anything here needs more detail for your specific situation.
Coverage spans Lagunitas, CA with trucks staged regionally to keep response times realistic — see the coverage section below for specifics. This is one of the questions our Lagunitas, CA dispatch team fields most often.
Yes — every repair and installation is backed by a written workmanship guarantee detailed in your final paperwork. This is one of the questions our Lagunitas, CA dispatch team fields most often.

Whether you're in a major metro area or a smaller community across Lagunitas, CA, dispatch routes the closest available technician to your address. If your Lagunitas address falls just outside our usual radius, call and we'll confirm coverage before you wait on an estimate. Our Lagunitas-area technicians know the housing stock, common system ages, and typical duct layouts well enough to diagnose faster on arrival.
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