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.
HVAC Company in San Diego, CA
Dalton Heating & Air is an HVAC company serving San Diego, CA, with written pricing before any work starts and a full-year guarantee on every repair. San Diego’s mix of coastal salt air, inland heat, and older mid-century housing stock puts real stress on air conditioning and heating equipment. We handle AC repair, heat pump installation, and furnace repair across the city with background-checked, uniformed technicians who arrive inside the stated window. Call (361) 306-9515 and you’ll speak to a live person, not a voicemail queue.
Why San Diego Homes Are Different
San Diego’s HVAC work is shaped by three things: the marine layer, the housing age, and the terrain. Homes west of I-805 get daily coastal fog that keeps temperatures mild but drives corrosion into condenser coils and electrical connections. Head east into Tierrasanta, Scripps Ranch, or Rancho Peñasquitos and summer afternoons push systems harder than most people expect, with attic temperatures routinely climbing above 130°F. That heat soaks into the ductwork and shortens equipment life on systems that were sized for cooler assumptions.
Much of the housing stock in neighborhoods like Clairemont, Allied Gardens, and North Park was built between the 1950s and 1970s. Those homes often have original galvanized ductwork, undersized electrical panels, and furnaces tucked into closets rather than garages. Technicians working in San Diego learn to inspect the whole system, not just the unit, because a failed capacitor in one of these older homes often traces back to degraded wiring or a filter that hasn’t been changed in two years. Terrain matters too: homes in Mission Valley and along canyon rims in Kensington sit in microclimates that can run 5 – 10°F warmer than the official downtown reading.
Our Main San Diego Services
Most San Diego homeowners call us for one of three things: an air conditioner that quit mid-summer, a furnace acting up on a cold January night, or a heat pump install that’s sized and quoted properly the first time.
AC Repair in San Diego
Summer heat arrives early in San Diego’s inland neighborhoods, and a dead compressor or leaking evaporator coil turns a comfortable home into a 90°F problem by late afternoon. Our AC Repair in San Diego covers refrigerant leaks, failed capacitors, contactor wear, and blower motor failures across the city. We carry common parts on the truck for Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard, so most repairs finish the same visit. If you’re near the coast in Point Loma or Ocean Beach, salt corrosion on condenser fins is a recurring issue we diagnose and address with the right coil cleaning and protective treatment.

Heat Pump Installation in San Diego
San Diego’s mild winters make heat pumps a practical fit for many homes, especially those without existing gas lines. Our Heat Pump Installation in San Diego begins with a load calculation, not a rule-of-thumb guess, because a system sized for coastal La Jolla won’t handle an inland summer in Poway. We handle the full scope: ductwork assessment, electrical panel check, pad placement, and permit coordination where San Diego’s building codes require it. Every quote is a written line-item price before we start, and the install date is set before we leave the estimate visit.

Furnace Repair in San Diego
San Diego winters are short, but when temperatures drop into the 40s at night, a furnace that won’t ignite becomes urgent. Our Furnace Repair in San Diego covers flame sensor failures, gas valve issues, control board faults, and heat exchanger inspections on furnaces from every major brand. Many San Diego furnaces sit in hall closets or crawl spaces, which means we’re used to working in tight clearances and checking for proper venting, especially in older Mission Hills and South Park homes where original vent stacks run through multiple stories.

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 Diego
Our technicians are factory-trained on nine major residential HVAC brands, including Goodman, Rheem, and York. We keep common repair parts stocked on trucks serving San Diego, so a capacitor, contactor, or flame sensor doesn’t mean a second visit. For full details on coverage, see our brands.
Pricing for HVAC Company in San Diego, CA
| Service | Typical range in San Diego |
|---|---|
| AC Repair | $175 – $765 |
| AC Installation | $4,130 – $8,850 |
| Furnace Repair | $175 – $825 |
| Tune-Up | $95 – $235 |
Coastal corrosion and older electrical panels push some San Diego repair bills toward the upper end, and that’s reflected honestly in the quote before any work starts. Every job gets a written price up front, and every repair carries a full-year guarantee in writing. If the repair fails within that year, we return at no charge.
Neighborhoods We Serve in San Diego
Our technicians work throughout San Diego, from the coastal mesa of Point Loma and Ocean Beach to the inland heat of Mira Mesa and Rancho Bernardo. We schedule calls by zone so response time stays tight across the city, usually within a single day for non-emergency work.
- Clairemont
- North Park
- Tierrasanta
- Scripps Ranch
- Mission Valley
Service Area – Cities Near San Diego
While we’re based locally in San Diego, we also reach homeowners in nearby communities. We serve Coronado, CA, National City, CA, Chula Vista, CA, and Lemon Grove, CA. Dispatch and scheduling are coordinated from our San Diego office, with crews serving the metro area daily.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 Diego
Most non-emergency calls are scheduled same-day or next-day, depending on your neighborhood and our dispatch zones. For no-cooling calls during a San Diego heat wave, we prioritize by temperature and health risk. Call (361) 306-9515 and a live person will tell you the soonest window.
New installations and some replacements in San Diego require permits through the city’s building department. We handle the paperwork and schedule the inspection. Repairs and tune-ups typically don’t need permits, but we’ll tell you clearly either way before work starts.
Yes. Our San Diego office dispatches technicians across the city and into Coronado, National City, Chula Vista, and Lemon Grove. If you’re within San Diego County close to those cities, call and we’ll confirm coverage and the next available window.
Need a repair or a written quote in San Diego? Call Dalton Heating & Air at (361) 306-9515. A live person answers, the price comes in writing, and the guarantee is good for a full year.
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 Diego Customers Say
"Blower motor died on the coldest night. They had the part on the truck and had us warm again the same day."
- Sandy G."Changed the filter size and added a better filter rack. Simple and useful advice."
- Rhonda C."Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."
- Eliza S.







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