Your Local Residential and Commercial HVAC Specialists Since 1986

Kemnitz Air Conditioning & Heating Inc. has been proudly serving homes and businesses in Irvine and surrounding areas since 1986. HVAC systems are our specialty; creating solutions for all your heating and cooling needs is our passion; and giving you and your family the highest quality comfort is our pleasure. We are family owned and operated, so we know just how important your family and their comfort is to you.

We service Irvine, Lake Forest, Foothill Ranch, Laguna Niguel, Capistrano Beach, Corona Del Mar, Costa Mesa, Aliso Viejo, Mission Viejo, Laguna Beach, Laguna Hills, Newport Beach, Trabuco Canyon, Coto De Caza, Rancho Santa Margarita, Ladera Ranch, San Juan Capistrano, Santa Ana, Orange, and Huntington Beach.

sigler kemnitz

Why Choose Us?

Carrier Residential
We are a Carrier Factory authorized dealer. Carrier is a world leader in heating and cooling innovation and we take pride in upholding their rigorous standards. We were also honored to receive Carrier’s Presidents Award. This award is Carrier’s way of recognizing Carrier dealers who embody management and leadership, expertise, customer satisfaction, business growth, and operational excellence. This sets us apart as a distinct dealer for delivering exceptional products and service to customers. We value bringing customer satisfaction.
See Carrier Products

We service both residential and commercial clients. Whether you just need routine HVAC maintenance or you need to buy a new heating and cooling system, we have the ability to take care of you and your particular needs. We see each of our customers as the unique individuals they are.
Kemnitz Van

NATE Square
All our technicians are NATE (North American Technician Excellence) certified. This is one more extra step we take to ensure our customers a top quality experience. NATE certification involves extensive HVAC training and testing. This certification is also reassuring that any of our technicians are knowledgeable, efficient, and will do the job right.
Call Our Certified Technicians

We’ll always treat your home or business as if it is our own, with particular attention, respect, and care. Our technicians will respect the order of your home or office by covering furniture, taking care not to track in debris from outside the home and vacuuming up after any mess. It’s just part of the Kemnitz difference, and one of the many reasons we’ve been trusted to service our clients HVAC systems for more than 30 years.
Call To Schedule Your Appoinment


Allen Kemnitz – President

Presidents Awards
We look forward to earning your trust and taking care of all your comfort needs. For air conditioning & heating service, repair & Installation including ducting, controls, sheet metal, venting, computer rooms, cooling and furnace maintenance, and indoor air quality, call Kemnitz!