Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
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AfterHVAC Company in San Martin, CA
HVAC work in San Martin, CA is shaped by one thing more than anything else: heat that collects in the southern Santa Clara Valley and sits there, sometimes for a week straight. Homes without working air conditioning cross 90 degrees inside by mid-afternoon between June and September. Dalton Heating & Air handles AC repair, heat pump installation, and furnace repair across San Martin, and every job starts with a written price before any work begins. Call (361) 306-9515 and a live person answers, any hour.
Why San Martin Homes Are Different
San Martin is spread out. A service call here is not a quick stop between dense city blocks like Los Gatos or Campbell. Properties sit off Monterey Road, along quiet lanes like Middle Avenue, and on acreage parcels where the house might be four hundred feet from the road. That changes logistics: we carry full parts stock on the truck because running back to a supply house halfway through a job means an hour lost. It also changes the equipment we see. Many San Martin homes were built in the 1970s and 1980s, which means original ductwork that has never been sealed, furnaces past their design life, and condensers coated in valley dust and pollen. The South Valley gets hot but stays dry, so AC systems work harder on airflow and refrigerant charge than on humidity removal. Septic systems on larger lots mean no basement mechanical rooms; most equipment sits in garages, closets, or exterior pads exposed to full afternoon sun. We carry longer line-set runs and larger recovery tanks than a typical suburban route requires because a San Martin condenser is frequently 60 feet or more from the air handler.
Our Main San Martin Services
Two call types dominate in San Martin: mid-summer AC failures and winter furnace shutdowns. Heat pump installation is the third, and it is growing as more homeowners replace aging gas furnaces with a single electric system. Each service has its own page with specific pricing.
AC Repair in San Martin
A dead compressor, a frozen evaporator coil, a capacitor that failed at 3 p.m. on a 98-degree afternoon. AC Repair in San Martin means diagnosing the exact failure, putting the price in writing before the first wrench turns, and getting the system back to set temperature. Most San Martin AC repairs are completed the same visit. Refrigerant recharge, which is topping off the cooling fluid the system needs to reach its target temperature, is one of the most common calls we field here, and we always pressure-test for the leak rather than simply adding and leaving.
Heat Pump Installation in San Martin
A heat pump replaces both the furnace and the air conditioner with one outdoor unit that moves heat in winter and out in summer. Heat Pump Installation in San Martin runs through a load calculation first, because undersizing a pump on a 2,400-square-foot San Martin ranch means cold mornings in December. We quote a fixed installation price, schedule a set date, and handle the South Valley air district paperwork. The systems we install are built for the dry heat this area throws at them from May through October.
Furnace Repair in San Martin
Nights drop into the 30s from late November through February, and a furnace that quits on a cold night leaves a house uncomfortable fast. Furnace Repair in San Martin covers failed ignitors, dirty flame sensors, cracked heat exchangers, and failing inducer motors. Most furnace repairs in San Martin run $150 to $450 depending on the part, with the repair guaranteed in writing for a full year. If it fails in that time, we return at no charge.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Martin
Our technicians are factory-trained on Trane, Lennox, Goodman, and Rheem equipment, among others. We stock common replacement parts for these brands on the truck: capacitors, contactors, ignitors, flame sensors, and thermocouples. That means most San Martin repairs finish in one visit. See our brands for the full list.
Pricing for HVAC Company in San Martin, CA
These are the ranges you should expect for the most common HVAC jobs in San Martin. Exact quotes come after diagnosis, in writing, before any work starts.
| Service | Typical range in San Martin |
|---|---|
| AC repair (minor electrical) | $150 – $350 |
| AC repair (refrigerant leak repair) | $250 – $650 |
| AC compressor replacement | $600 – $650 |
| AC installation (full system) | $3,500 – $7,500 |
| Heat pump installation | $3,500 – $7,500 |
| Furnace repair (ignitor or flame sensor) | $150 – $350 |
| Furnace repair (inducer motor) | $300 – $700 |
| Furnace heat exchanger replacement | $600 – $700 |
| Tune-up (AC or furnace) | $80 – $200 |
What pushes a San Martin job toward the top of a range? Distance from the road, older ductwork that needs sealing or replacement, and parts that have to be ordered for less common brands. You will know the number before we touch anything. That is the Garrison Standard: written price before any work begins, on every job, without exception.
Neighborhoods We Serve in San Martin
We run calls across all of San Martin. Our typical response window is same-day for repair calls placed before 2 p.m., and next-morning for calls after that.
- Downtown San Martin and Monterey Road corridor
- Middle Avenue and the westside acreage
- South San Martin toward Gilroy
- East side ranchette parcels
Service Area – Cities Near San Martin
Our San Martin route also covers nearby South Valley and Bay Area communities. Homeowners in Morgan Hill, CA, Gilroy, CA, Los Gatos, CA, and Campbell, FL can call the same number and reach a live dispatcher.
Serving San Martin, CA - Our Local Coverage Area
We’re based in the San Martin area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in San Martin
Same day in most cases. Our dispatch is staffed around the clock, and service calls placed before early afternoon typically get a same-day visit. We tell you the arrival window when you call, and we hold to it under The Garrison Code.
Yes, mechanical permits are generally required for full system replacements and heat pump installations in San Martin. We handle the permit paperwork as part of the installation quote, and the cost is spelled out on the written estimate before you sign anything.
Most San Martin HOAs regulate where condensers and heat pumps can sit relative to property lines and facing streets. We review the HOA requirements you provide before installation day and place equipment to comply. No guessing, no redoing the pad after the fact.
Every repair carries a full-year written guarantee. If that repair fails within 365 days, we return and fix it at no charge. That is the 365-Day Done Right Promise, and it is not an add-on or an upsell, it is standard on every service call Dalton Heating & Air performs in San Martin.
Call (361) 306-9515 for a free estimate on any HVAC job in San Martin. A live person answers, we put the price in writing, and we stand behind the work.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Martin Customers Say
"Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."
- Eliza S."Coil cleaning and a refrigerant check before summer. AC has never been this cold."
- Marty D."Good communication, tidy, and disciplined work. Taped off the floor and wiped the unit down."
- Karen J.