330 AC Installation Contractors in San Diego, CA
Top-Rated AC Installation Contractors in San Diego
ASI, The White Glove Guys
“Of four detailed reviews, three mention specific technicians by name who arrived promptly and resolved issues other contractors could not fix. All five-star…”
Anderson Plumbing, Heating & Air
“Four reviewers explicitly call out same-day or next-day arrival, with Joel and David meeting Katherine's 24-hour window. Beto, Art, and Dylan are each named in…”
All AC Installation Contractors (330 total)
Point Loma Electric, Plumbing, Heating & Air
“Every reviewer awarded a 5-star rating, with technicians Carlos, Raphael, and Anthony named across multiple…”
Guthrie & Sons Heating, Air and Solar
“15 verified reviews cite specific technicians by name, with Matthew, Bryan, Vlad, and Daniel receiving…”
Same Day Heating, Cooling, Plumbing
“All five sampled reviewers award 5-star ratings, consistently praising technical skill over pricing concerns.…”
Bob Jenson
“Three of three featured reviewers awarded 5-star ratings and named specific technicians (Enoc with supervisor…”
Carini Home Services
“Every reviewer who mentioned a technician named a specific individual, with Cameron Baker appearing in at…”
One Hour Heating & Air Conditioning
“The majority of positive reviews emphasize the technician team's respectful approach to homes and transparent…”
Constant Comfort Heating & Cooling, Inc
“Every reviewer award a perfect five stars, with 4 of 8 sampled reviews highlighting same-day or within-hour…”
EZ Breezy Heating & Air
“Technician Serg appears by name in at least three of the reviews, while teammate Charlie is credited…”
Liberty Mechanical, Inc.
“Every reviewer awarded a 5-star rating, with six clients specifically mentioning resolution of problems that…”
Five Star Svc Co
“All 7 reviewers award 5 stars. Brad appears by name in 4 reviews and Kevin in 1, with customers consistently…”
Action Air Conditioning & Heating
“Among visible reviews, one customer named Taylor for resolving a complex heating diagnosis, while negative…”
Collins Pacific Plumbing, Inc.
“374 reviews yield a 4.9-star average, with 372 posting five stars and only one one-star rating. Five-star…”
Stable Temp HVAC
“Fourteen of fifteen sampled reviewers award 5 stars, with technicians Kevin and Ivan named in positive…”
Air Plus Heating & Cooling
“Every reviewer who rated the company gave 5 stars, with 331 total reviews reflecting consistent satisfaction.…”
Smith & Sons Heating and Air Inc.
“All 211 reviews award five stars, with customers consistently praising technician Kyle's thorough diagnostics…”
AirTight Air, Inc.
“All 233 reviews award 5 stars, a rare consistency indicating systematic quality control across every service…”
A/C Mechanical Sol Inc
“Every reviewer awarded 5 stars, with customers consistently praising specific technicians and transparent…”
Priority One, Inc.
“Every reviewer awarded a full 5-star rating, with all eight sampled reviews specifically naming technician…”
Right Way Air & Heating
“All 208 reviewers awarded 5 stars, with technicians Vlad, Pavlo, Dana, Dennis, and Alex receiving named…”
Cano Air Conditioning And Heating
“All 187 reviews award 5 stars, with customers consistently noting the family-run team structure, same-day…”
Morey Plumbing, Heating, & Cooling, Inc.
“All 203 reviews award 5 stars, an exceptionally rare achievement among San Diego contractors. Brian appears…”
Omega Air
“Among the 286 reviews, satisfied customers consistently praise technical competence and installation…”
Radicool Heating and Air Conditioning
“Seven reviewers awarded five stars, with each citing technician Juan by name for attentive service and clear…”
Progressive Heating & Air
“Four reviewers specifically mention emergency or same-day response capability, with two naming technician Lot…”
Comfort Air Conditioning & Heating
“All 158 reviews carry 5-star ratings, and six named technicians appear across recurring positive mention:…”
Delta Mechanical California
“Of 221 reviews, eight customers specifically name individual technicians (Drew, Bryan, Andre, Luis, Obed L.,…”
AC Installation Costs in San Diego
New central AC installation costs in San Diego, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $138 | $322 | $644 |
Ductless mini-split (single zone) | $1,840 | $4,140 | $7,360 |
Central AC replacement (existing ducts) | $3,220 | $5,980 | $11,040 |
Central AC new install (with ductwork) | $6,440 | $11,040 | $18,400 |
Carrier (residential) | $3,496 | $5,704 | $9,660 |
Trane (residential) | $4,600 | $8,096 | $12,512 |
Lennox (residential) | $3,220 | $5,980 | $11,040 |
Rheem (residential) | $2,944 | $5,060 | $8,280 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in San Diego, CA: What to Expect
San Diego's Mediterranean climate — summer highs averaging 76°F with minimal days above 90°F — keeps baseline cooling demand lower than most major US metros. But marine moisture can cause condensation issues with aging systems, and Santa Ana wind events push inland temperatures well above 100°F, creating surges in AC installation demand that the market needs to absorb quickly. San Diego has 65 AC installation contractors averaging 4.8 stars across 17,651 reviews, with 12 available 24/7.
Window units run $138–$644. Ductless mini-splits for single zones cost $1,840–$7,360, reflecting California's premium labor and permit costs. Central AC replacement using existing ductwork runs $3,220–$11,040. California requires the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the California Contractors State License Board (CSLB). Verify CSLB license status directly at the state's online portal before signing any installation contract — California has active enforcement against unlicensed HVAC work.
ASI, The White Glove Guys receives consistent recognition for transparent pricing and clear cost breakdowns before work begins. Bob Jenson earns callouts for the same qualities — technicians who explain what the installation will entail, with no surprises at invoice time. Same Day Heating, Cooling, Plumbing is noted for technicians who walk customers through the job details on-site, including what was done and what to monitor afterward.
Frequently Asked Questions
Other HVAC Services in San Diego, CA
All HVAC Contractors in San Diego, CA
Complete directory of 610 contractors — browse alphabetically
A–Z
All HVAC Contractors in San Diego, CA
Complete directory of 610 contractors — browse alphabetically
A
- A Air Heating and Air Conditioning
- A-Gas Rapid Recovery - San Diego
- A.O. Reed & Co.
- A/C Mechanical Sol Inc
- AAir Tech Refrigeration & AC
- ABC Home Services, Inc
- AC Cooling Wizard
- AC Guy HVAC
- Ac Repair Pro (Heat, Cool & Plumbing
- AC Sure Plan
- AC/DC Electric SD INC.
- ACCO Engineered Systems
- Accord Air
- Ace Air & Appliances Lake Elsinore
- Ace Air & Appliances Oceanside
- Ace Contractors Plumbing Carmel Valley
- Ace Contractors Plumbing Heating And Air Chula Vista
- Ace Group Ki construction
- Ace1 HVAC San Diego
- ACMAN Quality Heating and Air Conditioning
- ACP Air Conditioning Pros
- Action Air Conditioning & Heating
- Action Solar
- Adaly E&E Solutions
- Advanced Comfort Solutions, Inc.
- AG Air Enterprises - AC Repair & Installation
- Aim Mechanical
- Air Cold Mechanical
- AIR CONDITIONED Lounge
- Air Conditioning and Heating San Diego
- Air Conditioning Champ
- Air Conditioning Contractors of San Diego
- Air Conditioning Repair
- Air Express Heating And Cooling - HVAC Contractor in Ramona ca
- Air Force 1 Heating And Air Inc.
- Air Mechanical Systems
- Air Plus Heating & Cooling
- Air Pros, Inc
- Air Star Heating
- Air Stream Heating + Cooling
- Air Support Heating & Air Conditioning
- Aire Serv Of Murrieta
- Airflow Comfort Heating and Cooling
- Airmakers Heating and Air Conditioning
- AirTight Air, Inc.
- AIRTIGHT SD
- Akko Heating and Cooling
- All American Heating and Air (Veteran owned)
- All Brands Air Conditioning & Heating Repair
- All Lights Electrical Service
- All Pro Air & Central AC Inc
- All Pro Plumbing Inc.
- All Season Air Conditioning and Heating
- All Seasons Comfort HVAC
- All Star Plumbing & Restoration - Plumber San Diego, CA
- Allied Refrigeration Inc
- AllStar San Diego AC Repair
- Aloha Plumbing
- Alpha Appliance Service
- Alpine Air
- Alta Vista Heating and Air Conditioning
- AM Heating & Air, inc.
- Ambient Heating & Air Conditioning
- America Heating and Air Conditioning
- American Ace Plumbing Heating And Air Conditioning
- American Construction
- American Eagle Refrigeration AC
- American Plumbing Heating & Air Conditioning
- An's Electronics Repair
- AnB Appliance Repair
- Anderson Plumbing, Heating & Air
- Andrew’s plumbing
- Angel's HD Suspension Alignment
- Anthony's Air Flow HVAC
- Apex HVAC Distribution LLC
- Apex Mechanical Systems Inc
- Appliance Repair Center
- Aquinas Inc.
- Arctic Airflow Heating and Air
- ARS / Rescue Rooter San Diego
- ASAP Refrigeration
- ASI, The White Glove Guys
- ATK Appliance and HVAC Repair LLC
- Atlas HVAC, INC
- Authentic Heating And Cooling, Inc.
- Automotive Air Conditioning & Heat Mobile Repair
- Awesome Air
- Awesome HVAC Repair San Diego
B
- B.C Heating and Air Conditioning
- Baeza's Heating & Cooling
- Baker Air Conditioning
- Baker Air Inc.
- Baker Electric
- Be Cool AC & Heating
- Beach Front Mechanical
- Becker & Son Plumbing Inc
- Best Service Company
- Best Value Heating and Air Conditioning
- Better Living Heating and Air Conditioning
- Big City Air Conditioning, Heating, and Appliance Repair
- Big City Air Conditioning, Heating, and Appliance Repair
- Big City Air Conditioning, Heating, and Appliance Repair
- Big City HVAC
- BIG JOE APPLIANCE REPAIR SERVICE Del Mar
- Bill Howe Plumbing, Heating & Air, Restoration & Flood Services
- BioAir Mechanical
- Bizzy Bee Builders
- Blue Diamond Heating and Air
- Blue Mountain Heating and Cooling
- BlueCool AC Experts
- Blues Electric
- BlueSky HVAC Co.
- Bob Jenson
- Breezaire
- Bright Power Electric
- Brightstar Refrigeration Inc
- Bronson Heating and Air
- Brother's Plumbing Service
- Brush Dryer Vent Service
- Build Brothers Inc.
- By the Book Plumbing, Heating Air Conditioning
C
- CA San Diego AC Repair & Install
- Cal-Cool Mechanical
- Cali Air, Inc
- California AC & Heater Repair Glendale
- California Air Tools
- California Pro Heating and Air Inc.
- Campbell Mechanical
- Cano Air Conditioning And Heating
- Carini Home Services
- Carlsbad HVAC Pros
- Carmel Valley Appliance Repair
- Carrier Commercial Service
- Carter Heat & Air
- Casablanca Heating & Air Conditioning
- Caspian Air Conditioning
- Caspian glory
- Castle Comfort HVAC
- Cerrudo Services - Otay Mesa
- Chill Guy Heating and Cooling
- ChillWorks Experts
- CHL Heating and Air
- Choose Your Degree Heating and Cooling
- Christopher's Cooling
- Chula Vista Heating and air Conditioning
- Chula Vista Plumber & HVAC
- Circular AC
- City Plumbing & Air Conditioning
- Clairemont Auto Care
- CLD Electric
- Clean Air Attic Insulation
- CleanAirvent Technologies
- Clima Heating And Cooling
- Climate Heating and air Conditioning
- Climate Paradise - HVAC & Appliance Repair
- ClimateEase Experts
- Colepepper Plumbing
- Collins Pacific Plumbing, Inc.
- Comfort Air Conditioning & Heating
- Comfort Cooling
- Comfort Mavericks Heating & Air-Conditioning
- Commercial And Industrial Air Conditioning & HVAC
- Commercial Refrigeration Services HVAC
- Connor's Duct Technicians
- Constant Comfort Heating & Cooling, Inc
- Continental Construction & Development
- Cool Cat Heating and Air Conditioning
- Cool Way Radiator & Air Conditioning
- CoolFix Pro
- CoolFusion HVAC
- Corn HVAC & Airduct Cleaning San Diego .
- Coronado Best HVAC Service
- Coronado Plumber, Heating & AC
- Cozy Nest Heating & Cooling
- Crossbreeze Heating & Air
D
- D'zul Heating & Air Conditioning
- Dale-Air
- Dale-Air, Inc.
- Day to Day
- DC AC
- DCAC Air Conditioning & Heating
- Degan Air
- DEL VALLE HEATING & AIR CONDITIONING INC
- Delta Mechanical California
- Dispatch Heating, Air Conditioning & Refrigeration
- DMA Mechanical Inc
- Doctor Home Services - HVAC, Plumbing & Electrical
- Dragonfly Automotive
- Dryer Vent Professionals Of San Diego
- Duct Dynasty Heating & Air - HVAC Repair & AC Installation in San Diego
- Duff Mechanical Services
E
- Eagle Fleet Mechanical
- East County Heating & Air Conditioning
- Easy Solutions HVAC Repair Inc.
- EB Mechanical Services inc
- Ecg Hvac Design Title-24
- Economy Plumbing & Air Conditioning
- ECOTECH PRO
- Efficient HVAC Solutions
- El Cajon Plumbing & AC
- Electricians Beverly Hills
- Eli's Heating & Air
- Elite AC Repair San Diego
- Elite Experts
- Elite HVAC Inc.
- Elite HVAC Repair San Diego
- Emergency Air Conditioning Experts
- Emergency Response Electric
- Emet Mechanical Controls
- Emet Mechanical Controls
- Encinitas Plumber & HVAC
- Energy Electric SD Inc
- Estrada's Heat & Air Conditioning
- Ethical Mechanical
- Everest Air
- EVO AIR
- Express Plumbing Heating and Air, Inc.
- Extreme Air
- EZ Breezy Heating & Air
- EZ Plumbing USA - Emergency Plumbing & Leak Detection San Diego
- EzFix
F
- F&C Air Duct
- Fabulous Homes Heating & Air
- Fairmont Grand Del Mar
- Fallbrook Plumbing & HVAC Specialist
- Fay Heating and Air Services
- FedAir
- Fel Air Heating And Air Conditioning
- Five Star Cooling
- Five Star Heating and Air Conditioning
- Five Star Svc Co
- FJ’S Refrigeration, Inc.
- Flex
- Flores Brothers AC and Heat
- Flow Mechanical
- Flow Mechanical
- Flow Right
- Freddy's Air Conditioning and Electric
- Freedom Heating and cooling
- Freedom Heating and Cooling
- Fresh Coast Heating and Air Conditioning
- Fresh San Diego Insulation
- FreshAir HVAC
- Friar's Plumbing Heating and AC Repair
- Fuentes Appliances
- FurnaceUSA
G
- Gapex Inc
- Gateway East Plumbing & HVAC
- Generations Heating and A/C
- Get Air HVAC Solutions
- Giovani Appliance Repair
- Gladstone Heating & Air Conditioning
- Global Warming & Cooling: HVAC, AC Repair, Heating, AC Install
- Golden Comfort AC & Heating Repair
- Golden Comfort Mechanical
- Golden Comfort Mechanical
- Golden State Air Solution
- Golden State Heating and Air Inc.
- Good Times Heating and Air
- Gorgis Air Conditioning and Heating Inc.
- GR Air Duct Cleaning
- Greater San Diego Air Conditioning Inc
- Greatest HVAC Repair San Diego
- GreenFlow HVAC Experts
- Grizzly HERS Testing Inc.
- Guthrie & Sons Heating, Air and Solar
H
- Haldeman Inc.
- Halo HVAC & Commercial Refrigeration
- Hans Construction Mechanical
- Harbor Air Conditioning & Heating
- Hardaway Heating & Air Conditioning, Inc.
- Hayloft Services
- Heating & Cooling Supply
- Heating and Air Conditioning San Diego
- Heating And Air Doctor
- Heating and Cooling San Diego
- Heatwave Heating and Air
- Held Heating and Air
- Heron HVAC & Airduct Cleaning San Diego
- HighTech Appliance Repair
- Home Appliance Service Center
- HomePro Plumbing and Drains
- House Calls Appliance Repair
- Howard's Heating & Air
- Howell Heating & Cooling
- Howie's Heating and Air
- HQ Kisso Air Conditioning
- Husser Heating and Air
- Hutchinson Heating and Air
- Hutchison Mechanical
- HVAC And Heating LLC
- HVAC ASAP
- HVAC Experts
- HVAC Mirage Inc
- HVAC NOW California
- HVAC San Diego King
- HVAC Service & Design
- HVAC Solutions - Air Conditioning & Heat
- HX Refrigeration
- Hydro-Air HVAC & Plumbing
I
J
- Jackson & Blanc
- Jackson & Foster Heating & Air Conditioning
- Japanese Car Masters
- Jax Mechanical
- JB3 Heating and Air Conditioning
- JD Coast Heating and Air
- JD Heating and Air Conditioning
- JF Heating and Air Conditioning
- JG Water Heaters, Filtration and Plumbing
- jj plumbing heat and air llc
- JL Perry HVAC
- John Air Duct Cleaning & HVAC Carlsbad
- JOHN AIR DUCT CLEANING & HVAC SAN DIEGO
- John Air Duct HVAC Cleaning
- Johnnys HVAC-SD Inc.
- Johnson Mechanical Inc
- Jon Davis HVAC
- Junior the Rater LLC
K
L
- L Seven N Ventilation and Mold Specialists
- La Jolla Heating and Air Conditioning
- La Mesa Plumber & AC System
- Lake HVAC
- Landmark Mechanical
- Left Coast Air
- Legacy Plumbing Heating & Air
- Liberty Mechanical, Inc.
- Liberty Military Housing - Flags
- Liberty Military Housing - Miramar Milcon
- Liggins Mechanical Inc
- Lighter Living Co.
- Low Rates Appliance Repair, Inc.
- LTE Electric
- Lucky Air Inc - SD
M
- M & M Refrigeration & Heating
- Malmac Air Conditioning and Heating
- Mar Pride Plumbing & HVAC
- Martin Plumbing & HVAC
- Mayoral Heating & Air Conditioning | HVAC Contractor and AC Repair
- MCAS Miramar Sports Complex
- McKowski's Maintenance Systems
- Mechanical Pros Heating & Air Conditioning
- Mechanical System Contractors - MSC HVAC
- Medina Heating and Air
- Metro Air Services
- MHS Heating & Air Conditioning, Inc.
- Mira Mesa Repair
- Miramar Transmission
- MNDZ HVAC
- Modum HVAC & Plumbing
- Morey Plumbing, Heating, & Cooling, Inc.
- Morse & Bailey A/C Heating
- Mr. KnockOut Air💨❄️🔥❄️🔥
- Multi Appliance Repair - San Diego, CA
- Murrieta Appliance Repair
- My Airway Exam LLC
N
O
- Ocean Beach Electrician
- Ocean Beach Top Heating and Conditioning
- Ocean Coast AC & Heating
- Oceanside HVAC Pros
- Oceanside HVAC Repairs
- Omega Air
- OMTS Air Conditioning Repair in Murrieta
- One Hour Heating & Air Conditioning
- One Hour Heating & Air Conditioning
- One Paseo Living
- Ontario Refrigeration Services Inc
- Orion HVAC
- Oscar Appliance Repair
P
- Pacific Coast Air, Inc
- Pacific Coast Air, Inc
- Pacific Coast Comfort
- Pacific HVAC Service
- Pacific Rim Mechanical
- Parrilla Engineering & Associates L.L.C.
- Patriot Air- Air Conditioning & Heating
- Paulson
- PCI General Construction Heating-Air-Plumbing
- Peak Air Heating and Cooling
- Peak HVAC & Airduct Cleaning El Cajon
- Perfect Comfort Home Services
- Performance Refrigeration & HVAC
- Phil's Mechanical Heating & Air Conditioning
- Plumber Chula Vista by Castillo Works
- Plumber Comfort Air Zone Bonsall HVAC Repair service installation
- plumbing heating electrical and air conditioning repairs
- Point Loma Electric, Plumbing, Heating & Air
- Precision Air Inc
- Precision Air Inc
- Precision Air Inc
- Preferred Pro’s Heating & Cooling
- Premier Appliance Repair San Diego
- Premium HVAC Repair San Diego
- Prestige HVAC
- Prime Air Conditioning and Heating
- Prime Air Solutions
- Prime Heating and Cooling
- Prime HVAC Repair San Diego
- PrimeFlow HVAC
- PrimeHVAC Solutions
- Priority One, Inc.
- Pro Serve Inc. Heating Ventilation & Air Conditioning
- Professional KitchenAid Appliance Repair
- Progressive Heating & Air
- Proluxe Mechanical
- ProThermal Refrigeration & HVAC
- Provision Heating & Air Conditioning
- Provision Heating & Air Conditioning
- Pure Air Comfortable
- PureAir Santee HVAC Services
R
- R&F REFRIGERATION INC
- Radicool Heating and Air Conditioning
- Rain or Shine Heating, Plumbing & Air Conditioning
- Rancho Bernardo Heating & Air
- RASP HVAC
- Raw Heating And Air LLC
- Red White and Cool
- RedHawk Mechanical Inc
- Reese Mechanical Temecula HVAC
- Reliable Air Conditioning & Heating
- Reliable Appliance Repair
- Reliable Standard Heating & Air
- Reliable Standard Heating & Air Del Mar
- Reliable Standard Heating & Air Scripps Mira Mesa
- Reliable Standard Heating & Air Vista
- Reliable Thermador Appliance Repair
- Residential Heating and Air Conditioning
- Retired
- RG Heating and Cooling Inc
- Richard Lohman HVAC
- Right Way Air & Heating
- Rightemp Home Services Inc.
- RighTime Home Services San Diego (HVAC)
- Robert Sanford Heating and Air
- Rockstar Plumbing Heating and Air Inc
- Rockstar Plumbing Heating and Air Inc.
- Romey HVAC
- Rooter Hero Plumbing & Air of San Diego
- Royal Wolf Appliance Repair San Diego
- RSM Mechanical
- Ruiz Air Conditioning and Heating
S
- Sam Heating And Air Conditioning
- Sam's Heating & Air Conditioning, Inc
- Sam's Heating and Air Conditioning
- Same Day Heating, Cooling, Plumbing
- San Diego Air Balance Co
- San Diego Air Comfort Heating & Air Conditioning
- San Diego Air Conditioning & Heating Repair.
- San Diego Air Conditioning Contractor
- San Diego Appliance Repair Center
- San Diego Appliance Repair Pros
- San Diego Best Heating and AC Pros
- San Diego Cool Air Inc
- San Diego East Plumbing & HVAC Pros
- San Diego Heating & Air Conditioning
- San Diego Heating & Air Conditioning
- San Diego Heating & Air Conditioning
- San Diego heating and air
- San Diego Heating and Furnace Repair & Installation Service
- San Diego HVAC & Airduct Cleaning
- San Diego HVAC Company
- San Diego HVAC Cooling Solution.
- San Diego HVAC Experts
- San Diego HVAC: Air Conditioning & Heating
- San Diego Marriott Del Mar
- San Diego Mechanical Energy
- San Diego Mechanical VRF Pros
- San Diego Plumbing and HVAC
- San Diego Plumbing Heating and Air Conditioning
- San Diego Refrigeration
- San Diego Thermal Insulation
- San Diego Zoni HVAC
- SD Appliance Repair & Service
- SD GOODFLOW
- SD Heating Air & Plumbing
- SD Heating and Air Conditioning Pro
- Sears Heating and Air Conditioning
- Select Home Improvements San Diego
- Semper Solaris
- Sergio's Auto Electric
- Set Flow HVAC & Plumbers
- ShakerHVAC
- Sharpe Refrigeration
- Shield Mechanical
- Siberian Side Heating & Air
- Skilled Mechanical Solutions
- Sky Clean Air
- Smart Climate Refrigeration
- Smart Roofing & Restoration
- Smith & sons heating and air
- Smith & Sons Heating and Air Inc.
- Smith Air Conditioning and Heating
- Smith Plumbing
- So Cal Comfort Care Heating and Air LLC
- So Cal HERS Raters
- So Cool Air Conditioning & Heating
- Soluciones térmicas mx
- Soluciones térmicas mx
- SOTOS HVAC INC.
- Southbay Heating & Air Conditioning
- Southbay Heating and Air Conditioning
- Southern Ca Air Conditioning Distribution
- Southern Comfort HVAC, Inc
- Southland Industries
- Southmost Comfort Plumbing & HVAC
- Southwest HERS Raters
- Specialty Air HVAC
- SpeedMates Home Services
- SpeedMates Home Services
- Stable Temp HVAC
- Stars and Stripes Heating and Air
- Stay Cool Mechanical Services
- Steckler Heating and Air Conditioning
- Sterling Mechanical
- Straight Shooter
- Straight Shooter
- Straight Shooter Heating & Cooling
- Straight Shooter Heating & Cooling
- STYP confort y ahorro de energía
- Sullivan & Sons HVAC
- Summit Side HVAC Service
- Sunline Energy
- Sunset Garage
- Superhero Heating & Air Conditioning
- Superior Air
- Superior Air Systems - AC Repair & Installation
- SUPREME ACE MECHANICAL
- SureFit Heating & Air
- Surf Bros HVAC
- Sweeps Luck
- Synergy Companies
T
- T & C Heat And Air
- T L Services Inc.
- T&M Solar and Air Conditioning Inc
- Tarpy Plumbing Heating & Air
- Tech Air Heating and Air Conditioning
- Temperature Design Refrigeration, Inc.
- THA Heating Air & Plumbing Inc.
- The Cooler Guys
- Thermal Eagle HVAC
- Thermodynamic Heating & AC
- TIN MAN MECHANICAL
- TLS Mechanical
- Top San Diego AC Repair
- Top Techs USA Heating and Air
- Torres Heating & Cooling
- Torrey Gardens Apartments
- Torrey Ridge Apartment Homes
- Torrey Villas Apartment Homes
- Total Comfort Systems Heating & Air Conditioning CA
- TotalComfort HVAC Experts
- Trinity Air Inc
- TruAir Conditioning & Heating of La Jolla
- Trusted San Diego Insulation
- TurboFlow HVAC