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 Mateo, CA
Dalton Heating & Air handles HVAC work in San Mateo, CA with written pricing before any job starts, service for nine major residential brands, and a full-year written guarantee on every repair. Most repair calls in San Mateo run between $150 and $700 depending on the part, and tune-ups sit at $80 to $200. The housing stock here is older than most homeowners expect, which means more undersized ductwork, aging electrical panels, and equipment pushed past its intended lifespan. Call (361) 306-9515 and a live person answers, day or night.
Why San Mateo Homes Are Different
San Mateo sits in a coastal microclimate where mornings stay cool and afternoons warm up fast, especially from May through October. That temperature swing means systems cycle more often than they would in a stable climate, which accelerates wear on capacitors, contactors, and compressor fan motors. A lot of the homes in neighborhoods like Shoreview, Baywood, and Aragon were built between the 1940s and 1970s, and many still run on the original duct layouts. Those older ducts were often sized for heating only, not for the cooling loads a modern AC system demands. We see undersized returns restricting airflow, furnaces squeezed into hallway closets with poor clearance, and condensers tucked into side yards where fencing blocks the airflow they need. Terrain matters too. Hillside lots in San Mateo Park and the Highlands put real slope between the street and the equipment, which changes how we run line sets, route condensate drains, and secure outdoor units. Permits are handled through the City of San Mateo building division, and for equipment swaps we pull what the job requires so the inspection is clean. We’ve also worked in a number of HOA communities across the city where equipment placement and noise limits are written into the CC&Rs, and we’ve learned to check that paperwork before recommending a location for any new unit.
Our Main San Mateo Services
Three services account for most of the calls we take in San Mateo. Each has its own page with the full detail, including exact pricing.
AC Repair in San Mateo
San Mateo’s warm afternoons are the hardest test for an aging AC system, and most failures trace back to a handful of parts. A blown capacitor, a failed condenser fan motor, or a refrigerant leak on an older R-22 system are the calls we make most often in neighborhoods like Hillsdale and Beresford. We stock common parts on our trucks, which means many San Mateo AC repair jobs get done in a single visit. The repair comes with a written guarantee, and if the fix doesn’t hold, we return at no charge. See the full breakdown for AC Repair in San Mateo.
Heat Pump Installation in San Mateo
Many San Mateo homeowners are replacing an aging furnace and AC combo with a single heat pump, especially in homes without natural gas or where the old equipment is 15 to 20 years old. Our mild winters make a heat pump a practical year-round answer here, and we size the unit to the house, not to a rule of thumb. Installation work is load-calculated, quoted in writing, and scheduled on a set date. We handle the permit paperwork, the electrical, and the equipment. Full scope and pricing live on the Heat Pump Installation in San Mateo page.
Furnace Repair in San Mateo
Winter nights in San Mateo drop into the 40s, and that’s when a furnace that has been idle since spring shows its problems. Bad ignitors, dirty flame sensors, failing blower motors, and cracked heat exchangers are the common finds in older gas furnaces across Baywood and North Central. We carry ignitors, flame sensors, pressure switches, and blower motor capacitors on our trucks, so many furnace repair calls in San Mateo finish same-day. Every furnace repair from Dalton carries a one-year written guarantee. Details and pricing are on the Furnace Repair in San Mateo page.
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 Mateo
We service and repair all nine major residential HVAC brands, including Trane, Lennox, Rheem, and Goodman. Delta doesn’t take sides. We stock common parts locally for these brands and our techs are factory-trained, which means fewer return trips. See our brands for the full list.
Pricing for HVAC Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation | $3,500 – $7,500 |
| Tune-up | $80 – $200 |
| Refrigerant recharge | $150 – $650 |
| Capacitor replacement | $150 – $650 |
| Condenser fan motor replacement | $150 – $650 |
| Ignitor replacement | $150 – $700 |
| Flame sensor cleaning or replacement | $150 – $700 |
| Blower motor replacement | $150 – $700 |
What pushes a San Mateo job higher is usually access: a furnace in a tight hallway closet, a condenser on a hillside pad, or an older R-22 system that needs a replacement refrigerant. What doesn’t change is the price you were quoted. The Garrison Standard means the price is in writing before any work begins, and that number is the number you pay.
Neighborhoods We Serve in San Mateo
Our trucks are all over San Mateo on any given week. We know the difference between a 1950s Shoreview rancher and a newer tract home, and we bring the right parts for both. Response time in San Mateo is same-day for most repair calls when you call before early afternoon.
- Shoreview
- Baywood
- Aragon
- Hillsdale
- San Mateo Park
- North Central
Service Area – Cities Near San Mateo
Dalton Heating & Air serves San Mateo and the neighboring Peninsula cities. If you’re in Burlingame, CA or Millbrae, CA to the north, San Carlos, CA to the south, or Belmont, MA, we can route a truck to you the same way we do for San Mateo jobs. Dispatch is coordinated from our Bay Area office, and crews serve San Mateo locally.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 Mateo
Most San Mateo repair calls get same-day service if you call before early afternoon. Emergency calls for a failed furnace on a cold night or an AC that dies during a heat wave get priority. A live person answers the phone 24/7 at (361) 306-9515.
Equipment replacements in San Mateo typically require a permit through the City of San Mateo. Dalton pulls the permits the job needs and schedules the inspection. We handle the paperwork and make sure the installation passes the first time.
A tune-up in San Mateo runs $80 to $200. It includes a written report of what was found, and our technicians are not paid on what they sell. If the tune-up finds something that needs attention, you’ll get a written quote before any repair work starts. Call (361) 306-9515 to book one.
Yes. We work throughout San Mateo, from the flats near downtown up into the hillside neighborhoods, and we cover the nearby Peninsula cities too. Same-day service is common for repair calls, and every job gets a written price before work begins.
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 Mateo Customers Say
"Installed a heat pump to replace an old oil furnace. Three clear quotes and the install crew was tidy."
- Cheryl B."Tech arrived in uniform right on time. AC wasn't cooling, found a failed capacitor, and replaced it in twenty minutes. The owner is a veteran and the company runs like it."
- Frank O."Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."
- Sandy G.