Top Rated Heating & Air Conditioning Contractors Serving San Diego County, CA
Last Updated May 15, 2026
44261 Review Ratings and 10 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Reliable Standard Heating & Air
Reliable Standard Heating & Air provides heating and air conditioning services for residential and commercial clients in the San Diego County area. The company has the training and equipment to work on all types of HVAC projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Heating & Air conditioning Contractors including heating, air conditioner repair, hvac installation, commercial air conditioning, mini splits, air conditioning, commercial hvac, furnace repair, replacement and installation.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Imperial Beach, Alpine, Campo, Guatay, Descanso, Bonita, Chula Vista, Boulevard, Dulzura and Jacumba.
- 11315 Rancho Bernardo Rd #138
- San Diego, CA 92127
American Ace Plumbing Heating And Air Conditioning
American Ace Plumbing Heating And Air Conditioning offers a wide range of heating and air conditioning services to residential and commercial clients throughout San Diego County. The company has the in-house capabilities to work on everything from air conditioner repairs and HVAC troubleshooting to seasonal tune-ups and thermostat installations, and it customizes each project to meet the client’s budget requirements.
Services
Heating & Air conditioning Contractors including heating, hvac replacement, heat pump repair, mini splits, commercial air conditioning, plumbing installation, drains & sewers, backflow services and water heaters.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Campo, Bonita, Imperial Beach, Chula Vista, Descanso, Boulevard, Jacumba, Guatay, Dulzura and Alpine.
- 13228 Carolee Ave
- San Diego, CA 92129
Action Air Conditioning & Heating
Action Air Conditioning & Heating provides a variety of heating and air conditioning services for residential and commercial throughout the San Diego County area. The company is qualified to work on everything from HVAC troubleshooting and furnace repairs to zoning system installations and HVAC maintenance, and its employees ensure safety and transparent pricing on every job.
Services
Heating & Air conditioning Contractors including ac tune ups, hvac installation, air conditioning, air conditioner repair, water heater repair, air conditioning repair, air conditioning installation, air duct cleaning, air duct installation, mini split installation, smart thermostat, heating installations, furnace repair, heat pump installation, generators and commercial hvac.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Chula Vista, Imperial Beach, Alpine, Guatay, Campo, Jacumba, Descanso, Dulzura, Boulevard and Bonita.
- 130 Bosstick Blvd #101
- San Marcos, CA 92069
Airmaxx Heating and Air Conditioning
Airmaxx Heating and Air Conditioning offers various heating and air conditioning services to residential and commercial clients in San Diego County. The company is qualified to work on everything from ventilation systems and energy efficiency audits to HVAC maintenance and ductwork installations, and it prioritizes clear communication and customer satisfaction on every project.
Services
Heating & Air conditioning Contractors including ductless heating and cooling systems, furnace repair, air conditioner repair, water heater repair, ac tune ups, air conditioning repair & installation, heating repair, heat pump repair, furnace installation, indoor air quality, commercial hvac and hvac maintenance.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Alpine, Clairemont, Carlsbad, Coronado, Chula Vista, Del Mar, El Cajon, Lemon Grove, Linda Vista, Mira Mesa, Mission Beach, Mission Valley, National City, Normal Heights, North Park, Ocean Beach, Oceanside, Pacific Beach, Ramona and Rancho Bernardo.
- 10984 LA Alberca Ave
- San Diego, CA 92127
Blue Diamond Heating and Air
Blue Diamond Heating and Air provides various heating and air conditioning services for residential and commercial clients throughout the San Diego County area. The company is qualified to work on everything from furnace repairs and ductless heating and cooling systems to air conditioner repairs and mini splits, and its technicians ensure each project is backed by superior craftsmanship and customer service.
Services
Heating & Air conditioning Contractors including water heater repair, ductless heating and cooling systems, ac tune ups, hvac replacement, furnace repair, ac repair, ac installation, heater repair, heater installation, indoor air quality, air duct repair or replacement and ductless mini split ac.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Chula Vista, Bonita, Jacumba, Guatay, Campo, Imperial Beach, Boulevard, Alpine, Descanso and Dulzura.
- 405 Vernon Way
- El Cajon, CA 92021
Five Star Service Company
Five Star Service Company offers various heating and air conditioning services to residential and commercial clients in San Diego County. The company is qualified to work on everything from water heater repairs and HVAC maintenance to seasonal tune-ups and air conditioner repairs, and it prioritizes clear communication and customer satisfaction on every project.
Services
Heating & Air conditioning Contractors including heating, hvac installation, hvac replacement, furnace repair, air conditioner repair, air conditioning installation & replacements, heating repairs & maintenance and indoor air quality.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Chula Vista, Descanso, Jacumba, Dulzura, Guatay, Bonita, Campo, Alpine, Boulevard and Imperial Beach.
- 282 W Old Julian Hwy
- Ramona, CA 92065
Forever Builders
Forever Builders offers heating and air conditioning services to homeowners and business owners in the San Diego County area. The company is known for its ability to work on everything from ventilation systems and ductless heating and cooling systems to furnace repairs and seasonal tune-ups, and it has earned a positive reputation by consistently delivering high-quality service on every project.
Services
Heating & Air conditioning Contractors including heat pump repair, hvac replacement, commercial air conditioning, hvac installation, ac tune ups, kitchen remodeling, bathroom remodeling, full home remodeling, painting, room addition, flooring and adu contractors.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Campo, Descanso, Dulzura, Imperial Beach, Alpine, Guatay, Chula Vista, Boulevard, Bonita and Jacumba.
- 7812 Miramar Rd
- San Diego, CA 92111
Global Heating and Air Conditioning
Global Heating and Air Conditioning provides a wide range of heating and air conditioning services for residential and commercial clients throughout San Diego County. The company has the in-house capabilities to handle everything from water heater repairs and ventilation systems to thermostat installations and ductwork installations, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating & Air conditioning Contractors including water heater repair, hvac installation, air conditioner repair, ductless heating and cooling systems, mini splits, residential hvac, a/c installation and repair.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Campo, Dulzura, Boulevard, Alpine, Jacumba, Guatay, Chula Vista, Descanso, Bonita and Imperial Beach.
- 333 S Juniper St UNIT 214
- Escondido, CA 92025
One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning provides a variety of heating and air conditioning services for residential and commercial throughout the San Diego County area. The company is qualified to work on everything from duct sealing and HVAC installations to water heater repairs and energy efficiency audits, and its employees ensure safety and transparent pricing on every job.
Services
Heating & Air conditioning Contractors including mini splits, hvac installation, furnace repair, hvac replacement, ductless heating and cooling systems, heater repair, furnaces, heat pumps, air conditioning, ac installation & replacement, ductless split system, duct cleaning, duct repair, ductwork installation, duct sealing, air handlers, humidifiers, dehumidifiers and thermostats.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Guatay, Campo, Bonita, Dulzura, Descanso, Imperial Beach, Boulevard, Chula Vista, Alpine and Jacumba.
- 7310 Miramar Rd #380
- San Diego, CA 92126
West Coast Heating, Air Conditioning, and Solar
West Coast Heating, Air Conditioning, and Solar offers heating and air conditioning services to residential and commercial clients in San Diego County. The company handles everything from thermostat installations and HVAC troubleshooting to duct sealing and furnace repairs, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including mini splits, hvac replacement, hvac installation, heating, commercial air conditioning, a/c installation, a/c repair, heating installation & repair, ductless mini-split installation, heat pump water heater installation, indoor air quality and home automation zoning.
Coverage Areas
The San Diego County Area, including San Diego County—key cities including Descanso, Dulzura, Campo, Boulevard, Guatay, Imperial Beach, Jacumba, Alpine, Bonita and Chula Vista.
- 1256 Fayette St
- El Cajon, CA 92020
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
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ONE AllRatings star score of 4.5.
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Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Verify Heating & Air Conditioning License HereRating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
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Satisfactory status.
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