Sandi Spots

    San Diego HVAC Guide

    Best San Diego HVAC & AC Repair Services (2026)

    San Diego summers are getting hotter, and when the AC quits in August, you need a technician fast. These 15 HVAC companies handle everything from emergency repairs and seasonal tune-ups to full system replacements and heat-pump installations across the county.

    Last updated

    Quick answer: For same-day AC repair: Mauzy or Anderson. For full system replacement: Carini or Semper Solaris. For mini-splits/heat pumps: West Coast Heating & Air. For budget-friendly tune-ups: Air Ace or We Care. Emergency service calls run $150–$300; full AC replacement is $6,000–$15,000 depending on size and SEER rating.

    The shops

    Mon–Sat, 7 AM–7 PM; emergency 24/7 $$$ Phone / website; same-day

    Specialty: Plumbing + HVAC, AC repair, furnace, water heaters

    Well-known San Diego contractor with combined plumbing and HVAC crews. Good for jobs that cross over both trades.

    Mon–Sat, 7 AM–7 PM; emergency 24/7 $$$ Phone / website; 1–3 days

    Specialty: AC repair, installation, plumbing, ductless mini-splits

    Family-owned operation with strong AC install and mini-split experience.

    #4

    Air Ace Heating & Air Conditioning

    San Diego county-wide
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone; 1–3 days

    Specialty: AC repair, tune-ups, furnace, heat pumps

    Straightforward residential HVAC service with competitive pricing and no-pressure quotes.

    Mon–Sat, 7 AM–7 PM; emergency 24/7 $$$ Phone / website; same-day

    Specialty: Full plumbing + HVAC, AC repair, water heaters

    Large local contractor with a full plumbing and HVAC division. 24/7 availability.

    #6

    West Coast Heating & Air Conditioning

    San Diego + North County
    Mon–Fri, 8 AM–5 PM; emergency $$$ Phone / website; 2–5 days

    Specialty: Heat pumps, ductless mini-splits, AC, zoning

    Strong on ductless systems and modern heat-pump setups. Good for homes without ductwork.

    Mon–Fri, 8 AM–5 PM; emergency $$$ Phone / website; 2–5 days

    Specialty: Residential AC, furnace, indoor air quality

    Long-established San Diego HVAC company focused on residential service and replacement.

    Mon–Sat, 7 AM–7 PM; emergency $$$ Phone / website; 1–3 days

    Specialty: Plumbing, HVAC, tankless water heaters, air quality

    Larger regional contractor with membership maintenance plans. Good for bundled home services.

    Mon–Fri, 8 AM–5 PM; emergency $$ Phone / website; 1–3 days

    Specialty: AC repair, installs, furnace, ductwork

    Mid-sized local HVAC company with solid repair and replacement pricing.

    #10

    Comfort Air Conditioning & Heating

    San Diego county-wide
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone; 2–5 days

    Specialty: Residential AC, heating, maintenance agreements

    Local company with straightforward maintenance plans and repair-first approach.

    #11

    Pacific Heating & Cooling

    San Diego metro
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone / website; 1–3 days

    Specialty: AC repair, furnace, heat pumps, commercial

    Handles both residential and light commercial HVAC work.

    #12

    Reliance Heating & Air Conditioning

    San Diego + North County
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone / website; 2–5 days

    Specialty: AC repair, heating, maintenance, duct cleaning

    Family-run HVAC company with duct-cleaning and indoor-air-quality add-ons.

    #13

    San Diego HVAC Pro

    San Diego metro
    Mon–Sat, 8 AM–6 PM; emergency $$ Phone / website; 1–3 days

    Specialty: Residential AC repair, installs, tune-ups

    Independent contractor known for quick diagnostics and honest repair recommendations.

    #14

    Cool Breeze Air Conditioning

    Coastal San Diego
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone; 2–5 days

    Specialty: AC repair, ocean-air corrosion, mini-splits

    Coastal-focused service with experience dealing with salt-air corrosion on condensers.

    #15

    Atlas Heating & Air Conditioning

    San Diego + East County
    Mon–Fri, 8 AM–5 PM; emergency $$ Phone / website; 2–5 days

    Specialty: AC repair, furnace, heat pump, ductwork

    Local HVAC company with transparent flat-rate pricing and maintenance memberships.

    What things cost in 2026

    ServiceBudgetStandardPremium
    Diagnostic / service call$75–$125$125–$225$225–$400
    AC repair (capacitor, contactor, fan motor)$150–$300$300–$600$600–$1,200+
    AC tune-up / maintenance$75–$120$120–$200$200–$350
    Freon / refrigerant recharge (per lb)$80–$120$120–$180$180–$250+
    Full AC replacement (3–5 ton)$4,000–$6,500$6,500–$10,000$10,000–$16,000+
    Ductless mini-split install (single zone)$2,500–$4,000$4,000–$6,500$6,500–$10,000+
    Heat pump install / replacement$5,000–$7,500$7,500–$12,000$12,000–$18,000+

    Add 20% cash tip on top of posted prices. Most shops add 3–4% surcharge on cards.

    By neighborhood

    County-wide / emergency

    Mauzy, Anderson, Bill Howe, Carini — all offer 24/7 emergency service.

    East County / hot inland

    Mauzy, Atlas, Reliance — summers hit hardest here.

    Coastal / salt air

    Cool Breeze Air Conditioning, Anderson, Bill Howe — look for corrosion protection.

    Ductless / mini-splits

    West Coast Heating & Air, Carini, San Diego HVAC Pro.

    North County

    Reliance, West Coast, We Care, Mauzy.

    Budget repair / tune-ups

    Air Ace, Comfort Air, Pacific Heating & Cooling.

    Local tips

    1. 1

      Replace filters every 30–90 days. San Diego dust and pollen load is moderate, but coastal salt and inland dust both shorten filter life.

    2. 2

      Get annual tune-ups. A spring AC check and fall furnace check catch issues before peak season and keep warranties valid.

    3. 3

      Check SEER ratings. Modern systems start at 14 SEER in California; higher SEER costs more upfront but saves on summer bills.

    4. 4

      Ask about heat-pump incentives. Federal and state rebates can offset heat-pump and mini-split installation costs significantly.

    5. 5

      Don't ignore salt-air corrosion. Coastal condos and homes near the ocean should have condenser coils cleaned annually to prevent corrosion.

    6. 6

      Get multiple quotes for replacement. A full AC replacement is a major purchase; quotes from 2–3 contractors often vary by $2,000+.

    7. 7

      Verify CSLB license and insurance. California HVAC work requires a licensed contractor (C-20 Warm-Air Heating, Ventilating, and Air-Conditioning).

    FAQ

    How much does AC repair cost in San Diego?

    A standard service call is $125–$225. Common repairs like capacitor or contactor replacement run $150–$300. Fan motor or compressor repairs are $400–$1,200+. Full AC replacement is $6,500–$10,000 for a standard 3–5 ton system.

    Who is the best HVAC company in San Diego?

    For emergency service, Mauzy, Anderson, and Bill Howe all offer 24/7 support. For full-system replacement, Carini, Bob Jenson, and Mauzy are solid. For ductless mini-splits and heat pumps, West Coast Heating & Air is a strong choice.

    How often should AC be serviced in San Diego?

    At least once per year, ideally in spring before summer heat. Homes with pets, allergies, or coastal exposure benefit from twice-yearly service.

    Do I need a permit to replace my AC in San Diego?

    Yes. Most cities and the county require a permit for AC replacement and any electrical or refrigerant line work. Reputable contractors pull the permit for you and schedule inspections.

    What SEER rating should I get in San Diego?

    California minimum is currently 14 SEER for new systems. In San Diego's mild climate, 14–16 SEER is usually cost-effective. Higher SEER (18+) makes sense if you run AC heavily or want maximum rebates.

    Are heat pumps worth it in San Diego?

    Yes. San Diego's mild climate is ideal for heat pumps, which provide efficient heating and cooling. Combined with rebates and rising summer temperatures, heat pumps are increasingly popular.

    Why is my AC running but not cooling?

    Common causes include low refrigerant, dirty filter, frozen evaporator coil, faulty capacitor, or blocked condenser. A $125–$225 diagnostic call will pinpoint the issue.

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    About this guide

    Written and fact-checked by the Sandi Spots Editorial team — San Diego residents publishing under Sleep Coast LLC. Every place we recommend has been visited in person or verified against an official source, and no business can pay for inclusion or a higher ranking. Last updated .

    Local, first-hand. Reported on the ground in San Diego County.
    Kept current. Prices, hours, and closures reviewed on a rolling basis.
    Independent. Affiliate links never influence rankings.

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