Air Efficiency Heating & Air specializes in high-performance HVAC systems that maximize comfort while minimizing energy costs. We combine precision diagnostics with advanced technology — because smarter is better. Serving Arcadia, Pasadena, Monrovia, and beyond, our certified team delivers transparent pricing, expert installations, and systems that perform. Lower utility bills, cleaner air, and total peace of mind.

Our attention to detail and commitment to our values have helped us grow. It all started 15 years ago with our President, a young aspiring HVAC technician, who wanted to make an impact in the industry. Well, with his drive, and the help of our Nexgen family along the way, we've grown to 7 locations across Southern California, servicing customers every day. Welcome to Nexgen!

To achieve optimal comfort in your home or businesses, you need a dependable HVAC service provider having the best HVAC technicians that can perform the job at a high level.