Our teams have been family for so long and we are excited to become one brand. You will continue to receive the same 5-star service that you've come to know and trust from Oak Island. The biggest benefit for you is we can now help with your plumbing and all HVAC needs through We Care. Read More Visit WeCareTeam.com Heating & Air Conditioning in San Marcos & the Surrounding Area Cooling Heating Reviews Specials The Best Heating and Air Conditioning in San Marcos Oak Island Heating and Air Conditioning has been serving the San Marcos, CA, area for all its heating and air conditioning needs since 1998. Founded by two brothers – Les and Cris – Oak Island Heating and Air Conditioning is still a family business to this day! Our company roots date all the way back to 1984. We recognize the importance of family, so we strive to treat our customers as such. While we’re a pretty laid back team, we always take your comfort seriously. We are BBB accredited and NATE certified, and all of our employees have had the best training in the heating and cooling industry. It can get hot in the North San Diego County area, but you can remain confident in your heating and cooling systems with Oak Island Heating and Air Conditioning. We are a Lennox Premier Dealer, meaning we only use industry-leading products and offer top-tier customer service. Whether we are installing a new system, making a repair, or simply maintaining your heating and air conditioning systems, you can be confident you’ll receive the highest quality results from our team. We also offer Energy Star products, we are EPA certified and we are highly rated on many review platforms. Contact Our Team Today Responsive San Marcos Heating & Cooling Oak Island Heating and Air Conditioning offers more than just the best in heating and cooling. You can turn to our team for indoor air quality, filters, zoning solutions, thermostats, and so much more! From keeping your home warm in the winter and cool throughout the San Marcos summer to enhancing the quality of your indoor air, our team offers a comprehensive range of services to guarantee your year-round comfort. Contact Our HVAC Service Experts We Offer: Heating Air Conditioning Indoor Air Quality Whole House Fans Heat Pumps Mini-Splits Humidifiers Dehumidifiers Air Purifiers UV Lights Filters VRF/ERV Systems Air Scrubbers Zoning Systems Thermostats Affordable Heating & Air Conditioning Temperatures can get extremely hot in San Marcos and the surrounding areas. That's why you should trust Oak Island Heating and Air Conditioning to provide you with the best heating and air conditioning services in the area.
Cooling services offered by Oak Island Heating and Air Conditioning
Heating services offered by Oak Island Heating and Air Conditioning
Indoor air quality services offered by Oak Island Heating and Air Conditioning
Whole house fans services offered by Oak Island Heating and Air Conditioning
Heat pumps services offered by Oak Island Heating and Air Conditioning
Mini-splits services offered by Oak Island Heating and Air Conditioning
Humidifiers services offered by Oak Island Heating and Air Conditioning
Dehumidifiers services offered by Oak Island Heating and Air Conditioning
Air purifiers services offered by Oak Island Heating and Air Conditioning
UV lights services offered by Oak Island Heating and Air Conditioning
Filters services offered by Oak Island Heating and Air Conditioning
VRF/ERV systems services offered by Oak Island Heating and Air Conditioning
Air scrubbers services offered by Oak Island Heating and Air Conditioning
Zoning systems services offered by Oak Island Heating and Air Conditioning
Thermostats services offered by Oak Island Heating and Air Conditioning
Oak Island Heating and Air Conditioning is accredited by the Better Business Bureau
Oak Island Heating and Air Conditioning is certified by the North American Technician Excellence
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Oak Island Heating and Air Conditioning is accredited by the Better Business Bureau
Oak Island Heating and Air Conditioning is certified by the North American Technician Excellence