During the COVID-19 Pandemic, we will remain open as an essential business and continue to service our customers. We are following the CDC guidelines and have taken all protective measures to address your safety and concerns with COVID-19. Thank You!

McMaster Heating and Air Conditioning, Inc
(949) 441-5611
Mon-Fri: 8:00am–5:00pm, Sat: 9:00am-2:00pm

(949) 441-5611

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Your Orange County Heating & Air Conditioning Contractor

Thank you for visiting our website to get to know us better. If you are having a heating and air conditioning emergency, are looking for HVAC service or would like to discuss the benefits of a new energy efficient system, give us a call today. We are looking forward to hearing from you.

Ductless HVAC Systems

McMaster Heating and Air Conditioning, Inc
Phone: (949) 481-7995
Address: 2 McLaren Unit #C, Irvine, CA 92618
Business Hours: Mon-Fri: 8:00am–5:00pm, Sat: 9:00am-2:00pm

Our company has used Ron and his team just a couple of times but he has made a customer for life! He is honest, kind, patient and efficient. We know our clients are in good hands when we refer them to McMasters!

Lyndsi J.

I just wanted to say thank you for the AC unit. We love it and it works great. It is quiet and cools the house down quickly. Your crew was fantastic and kept things clean. Of all the contractors I have ever worked with, and I have worked with a lot, this was the best experience I have had all the way around.

Jeff W.

I recently had McMaster air replace my older a/c and furnace with newer more efficient units,what a difference why didn’t I do this sooner! I highly recommend them.

Farfone V.

Great company with professional presentation all the way. Great after service too. Really enjoyed the deal with them as they take care of all incl permit and rebate. Service rep Anthony just great. Go for it.

Wen H.

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McMaster Heating and Air Conditioning, Inc