Top Rated Heating & Air Conditioning Contractors Serving San Luis Obispo County, CA
Last Updated May 15, 2026
3170 Review Ratings and 7 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Paso Robles Plumbing, Heating, and Air
Paso Robles Plumbing, Heating, and Air provides a variety of heating and air conditioning services for residential and commercial throughout the Santa Barbara-SLO area. The company is qualified to work on everything from heat pump repairs and energy efficiency audits to indoor air quality testing and HVAC installations, and its employees ensure safety and transparent pricing on every job.
Services
Heating & Air conditioning Contractors including water heater repair, ductless heating and cooling systems, furnace repair, heating, mini splits, general heating installation & replacement, general heating repairs & maintenance, boiler installation & replacement, boiler repair, furnace installation & replacement, furnace repair & maintenance, smart thermostat, heating financing, a/c repair & maintenance and a/c installation.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including Harmony, Atascadero, Arroyo Grande, Cambria, Cayucos, Grover Beach, Creston, San Luis Obispo, Avila Beach and Los Osos.
- 1142 Railroad St
- Paso Robles, CA 93446
SLOCO Heating & Cooling, Inc.
SLOCO Heating & Cooling, Inc. offers heating and air conditioning services to residential and commercial clients in San Luis Obispo County. The company handles everything from zoning system installations and thermostat installations to furnace repairs and HVAC maintenance, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including ductless heating and cooling systems, hvac replacement, furnace repair, heat pump repair and air conditioner repair.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including San Luis Obispo, Avila Beach, Los Osos, Atascadero, Harmony, Arroyo Grande, Cayucos, Cambria, Creston and Grover Beach.
- 540 Atascadero Rd
- Morro Bay, CA 93442
Kenneth's Heating and Air
Kenneth's Heating and Air offers heating and air conditioning services to homeowners and business owners in the Santa Barbara-SLO area. The company is known for its ability to work on everything from duct sealing and HVAC maintenance to HVAC upgrades and indoor air quality testing, 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, commercial air conditioning, air conditioner repair, mini splits, furnace repair, ac installation, ac maintenance & repair, heating installation, heating maintenance & repair, indoor air quality, electrical services and ev chargers.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including Cayucos, Grover Beach, Harmony, Cambria, Los Osos, Atascadero, Creston, Arroyo Grande, Avila Beach and San Luis Obispo.
- 8787 Plata Ln STE 6
- Atascadero, CA 93422
Above The Grade Heating & AC
Above The Grade Heating & AC offers various heating and air conditioning services to residential and commercial clients in San Luis Obispo County. The company is qualified to work on everything from air conditioner repairs and HVAC maintenance to indoor air quality testing and HVAC troubleshooting, and it prioritizes clear communication and customer satisfaction on every project.
Services
Heating & Air conditioning Contractors including air conditioner repair, ductless heating and cooling systems, mini splits, ac tune ups, water heater repair, efficient installs heat pumps, mini-splits, ac, rooftop package units & split systems, fixes for no-cool/heat, leaks, airflow, cleaner air, uv and tenant improvements & light design-build.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including Creston, Harmony, San Luis Obispo, Grover Beach, Cambria, Arroyo Grande, Avila Beach, Cayucos, Atascadero and Los Osos.
- 8873 Arcade Rd
- Atascadero, CA 93422
Central Coast Heating & Air
Central Coast Heating & Air offers a variety of heating and air conditioning services to residential and commercial clients throughout San Luis Obispo County. The company has the training and equipment to handle everything from zoning system installations and heat pump repairs to HVAC installations and indoor air quality testing, and its employees focus on delivering first-rate workmanship on every project.
Services
Heating & Air conditioning Contractors including air conditioner repair, air conditioning, ductless heating and cooling systems, water heater repair, heating, hvac installation or replacement, hvac system maintenance and hvac system repair.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including San Luis Obispo, Atascadero, Avila Beach, Los Osos, Cayucos, Cambria, Creston, Grover Beach, Arroyo Grande and Harmony.
- 725 Derek Ct
- Nipomo, CA 93444
Straight Line Heating and Cooling
Straight Line Heating and Cooling provides residential and commercial clients in San Luis Obispo County with a wide variety of heating and air conditioning services. The company works on everything from air conditioner repairs and HVAC troubleshooting to ductwork installations and HVAC installations, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including air conditioning, heating, furnace repair, heat pump repair, water heater repair, ac installation, ac maintenance, ac repair, mini split repair, mini split duct, dryer vent cleaning and cleaning installation.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including Los Osos, Avila Beach, Harmony, Cambria, Creston, San Luis Obispo, Cayucos, Arroyo Grande, Atascadero and Grover Beach.
- 2101 Vanderlip Ct
- Paso Robles, CA 93446
Adams Heating and Cooling
Adams Heating and Cooling provides residential and commercial clients in San Luis Obispo County with a wide variety of heating and air conditioning services. The company works on everything from ventilation systems and thermostat installations to water heater repairs and mini splits, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including ductless heating and cooling systems, air conditioner repair, heating, hvac installation, hvac replacement, preconstruction planning, filter maintenance & replacement, duct replacement & install, furnace installation & replacment, ac installation & replacment, air duct & dryer vent and system cleaning.
Coverage Areas
The Santa Barbara–SLO Area, including San Luis Obispo County—key cities including Cayucos, Harmony, Atascadero, Avila Beach, Los Osos, Cambria, Grover Beach, San Luis Obispo, Creston and Arroyo Grande.
- 376 Alder St
- Arroyo Grande, CA 93420
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).
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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.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
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