Homeowners have trusted Associated Heating & Air for HVAC services in Irvine, CA for more than 35 years. Whatever your heating and air conditioning needs may be, you can rely on us. Schedule seasonal maintenance to lower cooling and heating costs and help avoid repairs. When you do notice problems, be proactive and prevent them from worsening. If it’s time to upgrade your system, consider the many high-efficiency options available. They can save you money in the short term with energy incentives and in the long run through lower operating costs.