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10 Best HVAC Companies in San Diego, CA

Guthrie & Sons Heating, Air and Solar, Bob Jenson, and Anderson Plumbing, Heating & Air lead our list of the 10 best HVAC companies in San Diego, each vetted for Google rating, review volume, and a real local presence, and ranked in Google's own search order.

  • Last reviewed September 2026
  • 10 companies reviewed · How We Rank

Our top 10 hvac companies in San Diego

San Diego's marine layer keeps summers milder than most of Southern California, but inland neighborhoods like Rancho Bernardo, El Cajon and Santee still see regular stretches above 90 degrees, and older housing stock across the county, much of it built before modern duct standards became common, means AC and furnace systems are often working harder than their size suggests. A poorly sized system in a San Diego home strains through the driest months and rarely gets flagged until a summer heat spell exposes it. Every company on this list holds or claims a state contractor license, and before hiring any of them we'd recommend running the license number through the California Contractors State License Board's public lookup at cslb.ca.gov, since anyone can call themselves an HVAC contractor but only a licensed one can legally pull permits for a full system replacement.

  1. Guthrie & Sons Heating, Air and Solar

    Best for round-the-clock live service4.9(1665 Google reviews)8248 Ronson RdBest for Homeowners who want round-the-clock live phone support    Rank01

    Why we picked them

    4.9 stars from 1,664 Google reviews, the highest review count of any San Diego HVAC company, built on 24/7 live phone service and a two-generation family operation.

    What we like

    • 1,664 Google reviews at 4.9 stars, the most of any HVAC company in San Diego
    • 24/7 live phone answering rather than an answering service
    • Two-year labor warranty and lifetime workmanship guarantee

    Things to consider

    • Does not publish a California contractor license number on its website

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation

    Key details

    Best for
    Homeowners who want round-the-clock live phone support
    Service area
    San Diego
    Years in business
    21 years
    Warranty
    Two-year labor warranty and lifetime workmanship guarantee on new installations.
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC contractor

  2. Same Day Heating, Cooling, Plumbing

    Best for combined HVAC and plumbing emergencies4.7(1852 Google reviews)9771 Clairemont Mesa Blvd Ste EBest for Households wanting one company for both HVAC and plumbing emergencies    Rank02

    Why we picked them

    4.7 stars from 1,852 Google reviews and an Inc. 5000 growth ranking, backed by a Same Day Guarantee that refunds the service call fee if a repair isn't finished the same day.

    What we like

    • 1,852 Google reviews at 4.7 stars
    • California contractor license 1059444
    • Same Day Guarantee refunds the service call fee if not finished same day

    Things to consider

    • Combines HVAC and plumbing dispatch rather than a single-trade specialist

    Services

    • AC repair
    • AC installation
    • Furnace repair

    Key details

    Best for
    Households wanting one company for both HVAC and plumbing emergencies
    Service area
    San Diego
    Warranty
    24-month, 100% satisfaction guarantee on installation and replacement services; Same Day Guarantee refunds the service call fee if a repair is not finished the same day.
    Emergency service
    Available
    Financing
    Available
    Credentials
    HVAC contractor license

  3. Bob Jenson

    Best for long-term track record4.9(1557 Google reviews)8159 Engineer RdBest for Homeowners who want a large, established company with financing options    Rank03

    Why we picked them

    4.9 stars from 1,557 Google reviews and 45-plus years in San Diego, with a carbon-monoxide catch during a routine cleaning that reviewers credit with protecting their family.

    What we like

    • Operating in San Diego since 1977, over 45 years
    • California contractor license 340838
    • 1,557 Google reviews at 4.9 stars

    Things to consider

    • Specific warranty terms are not published

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Duct cleaning
    • Maintenance plans

    Key details

    Best for
    Homeowners who want a large, established company with financing options
    Service area
    San Diego
    Years in business
    49 years
    Emergency service
    Available
    Financing
    Available
    Credentials
    HVAC contractor license

  4. Stable Temp HVAC

    Best for smart thermostat and air quality upgrades4.9(369 Google reviews)4901 Morena Blvd Ste 319Best for Homeowners upgrading to smart thermostats or whole-house fans alongside AC service    Rank04

    Why we picked them

    4.9 stars from 369 Google reviews and a Nest Pro certification that stands out for smart thermostat and indoor air quality upgrades alongside standard HVAC work.

    What we like

    • California contractor license 1157122
    • Nest Pro certified for smart thermostat installation
    • 4.9 star average across 369 Google reviews

    Things to consider

    • Closed on Sundays

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation

    Key details

    Best for
    Homeowners upgrading to smart thermostats or whole-house fans alongside AC service
    Service area
    San Diego
    Years in business
    8 years
    Financing
    Available
    Credentials
    HVAC contractor license

  5. EZ Breezy Heating & Air

    Best for manufacturer-backed equipment5.0(580 Google reviews)5160 Mercury Point Unit BBest for Homeowners who want a multilingual crew and manufacturer-backed equipment    Rank05

    Why we picked them

    5.0 stars from 580 Google reviews, authorized dealer status with both Trane and Mitsubishi, and two consecutive BBB Torch Awards for ethics.

    What we like

    • 5.0 star average across 580 Google reviews with no rating drag
    • Authorized dealer for both Trane and Mitsubishi
    • BBB Torch Award for ethics, won in two consecutive years

    Things to consider

    • Specific state license numbers are not published on the site

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Duct cleaning

    Key details

    Best for
    Homeowners who want a multilingual crew and manufacturer-backed equipment
    Service area
    San Diego
    Warranty
    Markets a "best 10-year warranty" on installations; specific coverage terms are not published publicly.
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC, electrical, plumbing and general contractor

  6. Progressive Heating & Air

    Best for photo-documented diagnostics4.8(236 Google reviews)4828 Ronson CtBest for Homeowners who want photo documentation of what a technician actually finds    Rank06

    Why we picked them

    4.8 stars from 236 Google reviews and Bryant Factory Authorized Dealer status, built around a diagnostic-first process that photographs what technicians find.

    What we like

    • Bryant Factory Authorized Dealer, also services 10 other major brands
    • 24/7 dispatch across 34 San Diego County communities
    • 4.8 star average across 236 Google reviews

    Things to consider

    • Does not publish a specific contractor license number

    Services

    • AC repair
    • AC installation
    • Furnace repair

    Key details

    Best for
    Homeowners who want photo documentation of what a technician actually finds
    Service area
    San Diego
    Years in business
    12 years
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed and insured HVAC contractor

  7. Friar's Plumbing Heating and AC Repair

    Best for veteran-owned round-the-clock service4.9(668 Google reviews)5555 Magnatron Blvd Ste GBest for Homeowners who want a veteran-owned company for combined HVAC and plumbing work    Rank07

    Why we picked them

    4.9 stars from 668 Google reviews and 24/7 dispatch from a veteran-led, family-owned team covering a wide swath of San Diego County.

    What we like

    • 4.9 star average across 668 Google reviews
    • Open 24 hours a day, seven days a week for both HVAC and plumbing
    • Veteran-led and family-owned, with 40+ years of combined technician experience

    Things to consider

    • Does not publish a specific contractor license number

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Duct cleaning

    Key details

    Best for
    Homeowners who want a veteran-owned company for combined HVAC and plumbing work
    Service area
    San Diego
    Years in business
    24 years
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC and plumbing technicians

  8. Reliable Standard Heating & Air

    Best for Rancho Bernardo and North County5.0(120 Google reviews)11315 Rancho Bernardo Rd #138Best for Homeowners in the Rancho Bernardo and North County area wanting straightforward pricing    Rank08

    Why we picked them

    5.0 stars from 119 Google reviews and 25 years of combined experience from a Rancho Bernardo team that favors repairs over unnecessary replacements.

    What we like

    • California contractor license 1103370
    • 5.0 star average across 119 Google reviews
    • 25 years of combined technician experience

    Things to consider

    • Closes at midnight rather than running a true 24/7 emergency line

    Services

    • AC repair
    • AC installation
    • Furnace repair

    Key details

    Best for
    Homeowners in the Rancho Bernardo and North County area wanting straightforward pricing
    Service area
    San Diego
    Credentials
    HVAC contractor license

  9. Anderson Plumbing, Heating & Air

    Best for scale and track record4.8(6496 Google reviews)5183 Mercury PointBest for Homeowners who want a large, deeply established company with a strong complaint-resolution record    Rank09

    Why we picked them

    4.8 stars from 6,496 Google reviews, by far the largest volume in this ranking, backed by six BBB Torch Awards for ethics and 45-plus years in San Diego.

    What we like

    • 6,496 Google reviews at 4.8 stars, the largest volume of any company in this ranking
    • Operating in San Diego since 1978, more than 45 years
    • Won the BBB Torch Award for Marketplace Ethics six times

    Things to consider

    • Does not publish a specific contractor license number

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Duct cleaning

    Key details

    Best for
    Homeowners who want a large, deeply established company with a strong complaint-resolution record
    Service area
    San Diego
    Years in business
    48 years
    Warranty
    Describes "industry's best warranties" and a 100% satisfaction guarantee; specific coverage terms are not published publicly.
    Emergency service
    Available
    Financing
    Available
    Credentials
    Licensed HVAC and plumbing contractor

  10. Comfort Air Conditioning & Heating

    Best for county-wide, all-brand service5.0(184 Google reviews)7318 Conestoga CtBest for Homeowners across North County and East County wanting a smaller, all-manufacturer shop    Rank10

    Why we picked them

    5.0 stars from 184 Google reviews and one of the widest service areas in this ranking, servicing every major HVAC manufacturer rather than one preferred brand.

    What we like

    • 5.0 star average across 184 Google reviews
    • Services all major HVAC manufacturers rather than one preferred brand
    • Wide service area covering 17 San Diego County communities

    Things to consider

    • Closed Sundays and closes by 7 PM on weekdays

    Services

    • AC repair
    • AC installation
    • Furnace repair
    • Heat pump installation
    • Maintenance plans

    Key details

    Best for
    Homeowners across North County and East County wanting a smaller, all-manufacturer shop
    Service area
    San Diego
    Financing
    Available
    Credentials
    Licensed HVAC contractor

Compare the top hvac companies in San Diego

Ranking position reflects our editorial review, not customer ratings.

Editorial comparison of the 10 ranked companies. Customer ratings, where shown, come from the source named on each company profile.
RankCompanyBest forKey servicesService areaGoogle ratingEmergencyProfile
01Guthrie & Sons Heating, Air and SolarHomeowners who want round-the-clock live phone supportAC repair, AC installation, Furnace repairSan Diego4.9 (1665)YesView →
02Same Day Heating, Cooling, PlumbingHouseholds wanting one company for both HVAC and plumbing emergenciesAC repair, AC installation, Furnace repairSan Diego4.7 (1852)YesView →
03Bob JensonHomeowners who want a large, established company with financing optionsAC repair, AC installation, Furnace repairSan Diego4.9 (1557)YesView →
04Stable Temp HVACHomeowners upgrading to smart thermostats or whole-house fans alongside AC serviceAC repair, AC installation, Furnace repairSan Diego4.9 (369)Not listedView →
05EZ Breezy Heating & AirHomeowners who want a multilingual crew and manufacturer-backed equipmentAC repair, AC installation, Furnace repairSan Diego5.0 (580)YesView →
06Progressive Heating & AirHomeowners who want photo documentation of what a technician actually findsAC repair, AC installation, Furnace repairSan Diego4.8 (236)YesView →
07Friar's Plumbing Heating and AC RepairHomeowners who want a veteran-owned company for combined HVAC and plumbing workAC repair, AC installation, Furnace repairSan Diego4.9 (668)YesView →
08Reliable Standard Heating & AirHomeowners in the Rancho Bernardo and North County area wanting straightforward pricingAC repair, AC installation, Furnace repairSan Diego5.0 (120)Not listedView →
09Anderson Plumbing, Heating & AirHomeowners who want a large, deeply established company with a strong complaint-resolution recordAC repair, AC installation, Furnace repairSan Diego4.8 (6496)YesView →
10Comfort Air Conditioning & HeatingHomeowners across North County and East County wanting a smaller, all-manufacturer shopAC repair, AC installation, Furnace repairSan Diego5.0 (184)Not listedView →

HVAC companies serving San Diego and nearby areas

Most companies in this ranking work across California and the surrounding suburbs. Coverage and travel fees vary, so confirm your address is inside the service area before scheduling.

  • San Diego

Nearby rankings

San Diego, California

Service coverage across San Diego. Individual company areas are listed on each profile.

How we chose the best hvac companies in San Diego

Read our full ranking methodology →

We searched Google Maps for HVAC contractors and companies in San Diego, merged the results in Google's own ranking order, and kept only businesses that were operating, rated 4.5 stars or higher, backed by at least 50 Google reviews, and running a real company website rather than a lead-generation page. Each listing was cross-checked against its own website for licensing, founding year, brands serviced, and service area, and every fact in this ranking reflects what Google and the company's own site state as of September 23, 2026. No company paid for placement or ranking position.

How to choose a hvac company in San Diego

  • Verify insurance and credentials

    Ask for a current certificate of insurance and confirm registration or licensing with the authority that issues it, not with the company.

  • Ask for a written estimate

    Scope, materials, removal, disposal and who pulls the permit should all be named on the page rather than agreed on the doorstep.

  • Compare multiple quotes

    Two or three bids on the same scope. A number far below the others usually means something has been left out of it.

  • Understand the warranty

    Separate the manufacturer's warranty on materials from the company's own warranty on the work, and get both in writing.

  • Ask who performs the work

    Find out whether the crew are employees or subcontractors, and who supervises them on the day.

  • Check recent local projects

    Ask for addresses or photographs of comparable jobs finished nearby in the last year or two.

  • Avoid high-pressure sales

    A discount that expires today, or a knock on the door after a storm, is a reason to slow down rather than sign.

  • Get everything in writing

    Change orders, timeline and payment schedule included, before the first payment changes hands.

Questions to ask before hiring

  • Are you insured, and can you send the certificate?
  • How long have you worked in this area?
  • Will you provide a written estimate with materials listed?
  • What warranty do you offer on the work itself?
  • Do you use subcontractors for this job?
  • Who handles permits and inspection?
  • What would you recommend here, and why?
  • How are unexpected costs handled once work starts?
  • What is the estimated timeline from start to finish?
  • Can you provide recent local references?

Red flags

  • No verifiable local business address or registration
  • Pressure to sign on the first visit
  • A demand for full payment up front
  • An offer to cover or waive your insurance deductible
  • Refusal to put warranty terms in writing
  • A quote that will not itemize scope

Related home services in San Diego

HVAC guides for San Diego homeowners

HVAC companies in San Diego FAQs

  • How do I check if a San Diego HVAC contractor is actually licensed?

    Look up the contractor's license number on the California Contractors State License Board site at cslb.ca.gov, which shows whether the license is active, its classification, and any disciplinary history. Ask the technician for the license number before work starts, and confirm it matches the name on the license lookup, since a company can operate under a different name than the individual license holder.

  • How much does HVAC repair or a new AC installation cost in San Diego?

    Diagnostic fees among the companies in this ranking run from free to about 99 dollars if you don't proceed with the repair, and most offer free estimates on new installations. A full system replacement varies widely by equipment and home size, so get at least two written quotes and ask what's included, since a low number that excludes permits or disposal of the old unit isn't a fair comparison.

  • Why do San Diego homes need AC given the mild coastal climate?

    The coast stays mild most of the year, but inland communities like El Cajon, Santee, Rancho Bernardo and Escondido regularly hit the 90s in summer, and heat waves have become less predictable in recent years. A right-sized system also handles winter heating and indoor air filtration, which matters in a county with wildfire smoke some years.

About this ranking

Originally published
September 2026
Last reviewed
September 2026
Companies evaluated
10

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