Your Heating and Air Conditioning Pros 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 dates 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 Escondido and 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 on Angie’s List.