Browse the Top 18 Air Conditioning Contractors Serving San Diego, CA

See what 18 air conditioning contractors serving San Diego, CA offer, from routine AC maintenance to system installations and urgent repairs. Review business profiles, read customer feedback and contact contractors that match your cooling needs.
Q Applied Systems provides specialized HVAC, moisture control, and air purification solutions for commercial and industrial clients. With over 30 years of expertise, we serve pharmaceutical, biotech, and high-tech manufacturing sectors across Southern California and Baja Mexico. Our engineered systems ensure optimal environmental conditions for critical processes.
Commercial Dehumidifiers Industrial Dehumidifiers Dust Collection Systems
Trusted partner Excellent support Professional manner
Not rated yet
Reliable Standard
28 Years
Emergency
Not rated yet
Reliable Standard is a family-owned HVAC contractor serving San Diego since 1998. We specialize in residential and commercial heating, air conditioning, and ventilation solutions with 24/7 emergency service. Our certified technicians provide installation, repair, maintenance, and replacement services backed by a lifetime guarantee.
Air Conditioning Heating Services Commercial HVAC
Top-rated contractor Very professional Customer service oriented
Not rated yet
1-877 Appliance Heating & Air
14 Years
Emergency
Not rated yet
1-877 Appliance Heating & Air specializes in HVAC repair, installation, and maintenance for residential and commercial clients in San Diego. With over 10 years of experience, we deliver reliable, energy-efficient solutions using certified technicians and premium materials. Our services include 24/7 emergency support, transparent pricing, and a 12-month warranty on all repairs.
AC Repair HVAC Installation Furnace Maintenance
Professional service Reasonable rates Quick response
Guthrie & Sons
21 Years
Emergency
Not rated yet
Guthrie & Sons
21 Years
Emergency
Not rated yet
Guthrie & Sons Heating, Air & Solar delivers expert HVAC and solar services to residential and commercial clients in San Diego County. Since 2005, the family-owned business has prioritized honest pricing, transparent communication, and energy-efficient solutions. Their NATE-certified technicians specialize in heating, cooling, and solar installations, repairs, and maintenance, backed by a 100% satisfaction guarantee.
Air Conditioning Repair Heat Pump Installation Solar Panel Services
Prompt service Professional technicians Transparent pricing
We Do HVAC is a certified Daikin Pro Dealer and Goodman Partner offering expert heating and cooling services across Orange County, Los Angeles, San Diego, and a 100-mile radius. Our core focus is delivering energy-efficient HVAC solutions, including Daikin FIT systems, AC repairs, and VRV/VRF installations. We prioritize customer satisfaction through transparent pricing, rapid emergency response, and long-term comfort guarantees.
Daikin FIT Installation AC Repair VRV System Design
Not rated yet
HVAC San Diego King
30 Years
Emergency
Not rated yet
HVAC San Diego King provides comprehensive heating, ventilation, and air conditioning services for residential and commercial properties across Southern California. Our NATE-certified technicians deliver repairs, installations, and maintenance for all major HVAC systems while prioritizing energy efficiency and customer comfort. With 24/7 emergency availability and a satisfaction guarantee, we serve over 50 communities with trusted HVAC solutions.
Heating Repair AC Installation HVAC Maintenance
24/7 availability Knowledgeable technicians Transparent pricing
Not rated yet
Friar's Plumbing Heating & Air
24 Years
Emergency
Not rated yet
Friar's Plumbing Heating & Air delivers expert HVAC and plumbing services in San Diego, CA. A family-owned business since 2002, we combine 40+ years of experience with cutting-edge technology to provide furnace repairs, AC installations, and water heater replacements. Our customer-first approach ensures transparent pricing, energy-efficient solutions, and 24/7 emergency support for residential and commercial clients.
HVAC Maintenance Furnace Repair AC Installation
Incredible employees Great company Professional
Air Support Heating & AC delivers expert HVAC services to residential and commercial clients in San Diego. With over 25 years of experience, we specialize in heating, air conditioning, emergency repairs, and preventive maintenance. Our veteran-owned business combines technical expertise with customer-centric values to ensure reliable, year-round climate control solutions.
Heating Services Air Conditioning Maintenance
Fast emergency service Professional technicians Satisfaction guaranteed
Not rated yet
Indoor Comfort Store
36 Years
Not rated yet
Indoor Comfort Store is a family-owned HVAC contractor serving San Diego County since 1990. We specialize in heating, ventilation, and air conditioning solutions for residential and commercial clients. With NATE-certified technicians and 30+ years of industry experience, we offer system installations, repairs, maintenance, and indoor air quality improvements.
HVAC Installation HVAC Repair HVAC Maintenance
Where Comfort Exceeds Expectations
Not rated yet
Progressive Heating & Air
14 Years
Emergency
Not rated yet
Progressive Heating & Air delivers comprehensive HVAC solutions in San Diego, CA, specializing in heating, cooling, and air quality systems. With over 10 years of local expertise, we provide 24/7 emergency repairs, installations, and maintenance for residential and commercial properties. Our certified technicians prioritize energy efficiency, customer education, and long-term system reliability through personalized service and competitive pricing.
AC Repair AC Installation Furnace Repair
Arrived early Professional approach Completed job quickly
Not rated yet
San Diego Mechanical & Energy
12 Years
Emergency
Not rated yet
San Diego Mechanical & Energy specializes in comprehensive HVAC services, including installation, repairs, and preventative maintenance for commercial, municipal, and life science clients. Founded in 2014, we deliver top-tier mechanical solutions with a focus on safety, reliability, and customer satisfaction across Southern California.
HVAC Installation HVAC Repairs Preventative Maintenance
Prompt emergency response Professional team Reliable HVAC solutions
A O Reed
50+ Years
Emergency
Not rated yet
A O Reed
50+ Years
Emergency
Not rated yet
A O Reed is a leading mechanical contracting firm specializing in HVAC, plumbing, and service solutions. Since 1914, we have delivered high-quality systems for commercial, industrial, and healthcare projects across Southern California. Our focus on innovation, safety, and sustainability has earned us recognition for LEED-certified work and industry-leading safety practices.
HVAC Maintenance Commercial Plumbing Sheet Metal Fabrication
San Diego Air Comfort Heating & Air Conditioning provides comprehensive HVAC solutions for residential and commercial clients. Our core offerings include system installations, emergency repairs, preventive maintenance, and indoor air quality improvements. We combine technical expertise with a commitment to customer satisfaction, ensuring efficient, durable solutions tailored to client needs.
HVAC Installations Air Duct Cleaning Commercial HVAC Maintenance
AC Sure Plan
23 Years
Emergency
Not rated yet
AC Sure Plan
23 Years
Emergency
Not rated yet
AC Sure Plan is a full-service HVAC company serving San Diego since 2003. We specialize in residential and commercial air conditioning installation, heater repair, and preventive maintenance. Our NATE-certified technicians guarantee energy-efficient solutions that reduce operating costs while ensuring year-round comfort.
Residential AC Installation Commercial HVAC Systems Heater Repair
Not rated yet
American Ace Plumbing
10 Years
Emergency
Not rated yet
American Ace Plumbing delivers comprehensive plumbing, heating, and air conditioning services to residential and commercial clients in San Diego County. Specializing in emergency repairs, system installations, and maintenance, we combine technical expertise with personalized service. Our 24/7 availability ensures clients receive prompt solutions for urgent plumbing and HVAC needs.
Plumbing Drains & Sewers Heating & Air Conditioning
24/7 availability Prompt emergency response Professional technicians
Not rated yet
Free Air Mechanical
25 Years
Emergency
Not rated yet
Free Air Mechanical provides expert HVAC installation, repair, and maintenance services for residential and commercial clients in Escondido, CA, and surrounding areas. With over 17 years of experience since 2001, we specialize in air conditioning, heating systems, and ductless solutions, prioritizing customer satisfaction through reliable service and competitive pricing. Our factory-trained technicians deliver efficient, long-lasting results for both emergency repairs and scheduled maintenance.
AC Installation Heating Repair HVAC Maintenance
Not rated yet
Greater San Diego Air Conditioning
43 Years
Emergency
Not rated yet
Greater San Diego Air Conditioning provides comprehensive HVAC solutions for commercial properties in San Diego County. Established in 1983, we specialize in system installation, preventative maintenance, and emergency repairs for large-scale equipment. Our certified technicians deliver energy-efficient solutions tailored to each client's unique requirements.
HVAC Installation Commercial HVAC Emergency Repair
El Cajon (12.8 mi) Santee (13.8 mi) Escondido (28.2 mi) Fallbrook (45.9 mi) National City (4.4 mi) Chula Vista (6.9 mi) La Mesa (8.8 mi) Lakeside (17.0 mi) Poway (18.5 mi) San Marcos (29.5 mi)