H & A Heating & Air Conditioning - Oceanside's Expert HVAC Repair

We provide comprehensive HVAC installation and replacement services tailored to Oceanside's climate, including central air conditioning systems, ductless mini-splits, and furnace installations. Since 2007, we've helped local residents upgrade to more efficient systems that handle both cooling and heating needs effectively.

For Oceanside residents experiencing air conditioners not cooling efficiently, we offer thorough diagnostics and repairs. Our team checks for issues like refrigerant leaks, clogged filters, or aging components, and we provide maintenance services to optimize performance and extend system life in our local climate.

Yes, we serve a wide range of commercial clients across Southern California with scheduled HVAC maintenance. Our services help prevent breakdowns, improve energy efficiency, and ensure reliable operation for businesses, from small offices to large projects, backed by our experience since 2007.