• At One Season Heating & Air Conditioning, we believe that comfort only has one season—year-round! As your trusted local HVAC provider in Lake Forest, CA, we offer comprehensive heating and cooling services designed to keep your home comfortable no matter the weather.

  • Why Choose OneSeason Air?

    • Experienced Technicians: Our certified HVAC technicians have the skills and knowledge to handle any heating or cooling issue you may have.
    • Customer-Centered Service: We prioritize your satisfaction, providing transparent communication, timely services, and affordable pricing.
    • Emergency Services: Heating or cooling system breakdowns don’t happen on schedule. That’s why we offer emergency HVAC services in Lake Forest and surrounding areas.
    • Energy Efficiency: We specialize in energy-efficient HVAC systems to help reduce your carbon footprint while keeping your home comfortable.

  • Heating Services

    When temperatures drop, count on One Season Heating & Air Conditioning to keep your home warm and cozy. Our range of heating services includes:

     

    • Furnace Repair & Installation: Whether you need a quick fix or a brand-new unit, our team can handle it.
    • Heat Pump Services: From repairs to replacements, we’ll make sure your heat pump is working efficiently.
    • Ductless Heating: Ideal for homes without ductwork, these systems provide targeted warmth where you need it most.

  • Cooling Services

    Summers in Lake Forest can be tough, but with One Season Heating & Air Conditioning, staying cool is easy. We offer a full suite of cooling services, such as:

    • AC Repair & Installation: Our experts will diagnose and fix your AC quickly or recommend a modern replacement that suits your home.
    • Ductless Mini-Splits: Enjoy zoned cooling without the hassle of traditional ductwork.
    • Indoor Air Quality Solutions: Improve your home’s air quality with advanced filtration systems and regular maintenance.

  • Your Local HVAC Experts in Lake Forest, CA

    We’re proud to serve the Lake Forest community and the surrounding areas, offering the high-quality HVAC services you deserve. Whether you’re dealing with a broken AC in the summer or a furnace issue in the winter, One Season Heating & Air Conditioning is here to help.

    Contact us today at 949-590-3296 to schedule an appointment or learn more about how we can improve your home’s comfort. Don’t forget to ask about our special promotions for Lake Forest residents!

    Areas We Serve

    At One Season Heating & Air Conditioning, we proudly serve the following areas, providing expert HVAC services to keep your home comfortable year-round:

    • Lake Forest, CA 
    • Mission Viejo, CA 
    • Irvine, CA 
    • Laguna Hills, CA
    • Laguna Beach, CA 
    • Aliso Viejo, CA
    • Rancho Santa Margarita, CA 
    • Foothill Ranch, CA