At Novell Custom Heating and Air Conditioning Company we are dedicated to long term customer satisfaction. Our outstanding record of customer satisfaction is your assurance that the central heating, air conditioning and air ducting system installed by us will provide you with a healthy and comfortable indoor climate for many years. We are an approved Southern California Edison “Residential Quality Installation” Contractor ready to help you utilize ACCA Standard 5 Quality Heating Ventilation and Air Conditioning Installation Specification. We are a trusted company that has been in business for over 17 years, and our customers rate us highly on Yelp and Google.

Mike Novell knocking on door
Mike Novell – 2014 Factory Tour. Tyler, Texas
Inside Trane testing facility with “Snowball II”

This is just a small sample of our credentials:

SCE Residential Quality Installation Program
Manual “J”, “D”, “S”.

ACCA Standard 5

National Comfort Institute
HVAC System Performance Testing.
HVAC System Diagnostics & Balancing.


IHACI Member
Institute of Heating and Air Conditioning Industries, Inc.


We’re Local

Your comfort is important to us; Therefore, we maintain a limited service radius around our office. This allows us to respond quickly during peak periods to our local communities. Our ability to offer prompt, knowledgeable, and friendly service are some of the reasons our customers rate us highly.

We service the following cities; Alta Loma, Chino, Chino Hills, Claremont, Covina, Diamond Bar, Etiwanda, Fontana, Glendora, La Verne, Montclair, Ontario, Rancho Cucamonga, San Dimas, Upland, Walnut and West Covina.

Please call us today at 909-398-1208 and we’ll be happy to assist you.

To Be the Best That We Can Be, We Need Your Feedback

Your comments and opinions are very important to us, and help us improve the level of service we offer our customers. It’s super easy, simply email us at novellcustom@gmail.com. We want to know what you think about our performance, about the performance of your home comfort system, or anything else that comes to mind. Please Join our family of happy customers.

Our business continues to grow thanks to our awesome customers. We just love Happy Customers; here is some of their feedback:

“Mike Novell was very courteous, responsible and the best contractor we have ever dealt with. We are so happy with our new units. We highly recommend him to everyone we know. His integrity, honesty, and work ethics are exceptional!”
Tom Scruggs, Upland CA

“Mike Novell was very knowledgeable, professional & very meticulous about his work. He really did an outstanding job, was very prompt and organized. The unit was installed and the job was completed quickly and within the stated frame of time he quoted us. Mike also installed a unit in a previous home for us & was great. I would recommend him to all. He did a great job.”
Jeannie Troncoso, Upland CA

“Hope all is well with you folks. Just wanted to say how professional and friendly your tech was. Thanks Again.”
Rick & Dee Dee Williams, Upland CA

“Thanks so much for all your help and wonderful service. I’m finally warming up and owe it all to your customer service and expertise. You can be sure that I’ll recommend you highly !”
Lois Greenbaum, Upland CA

“Thank you so much for all your help with the condo on Sumner. I appreciated your professionalism and the timeliness which you were able to handle the inspection and repairs. I will definitely recommend you in the future.”
Angela Helm, Century 21 Superstars

“Thank you so much for your friendly people. It was a pleasure to work with you.”
Dolores Stubblefield, Claremont CA

“As always, thank you again for your professional installation of my heating & ac. I am very happy with my system. I’m Looking forward to using it next summer when the heat arrives.”
Dolores Anderson, Alta Loma CA

“Thank you very much for your prompt service and all your kind help and support.”
Kathy O., Upland CA

“Mike and I would like to thank you very much for helping us with our dinosaur unit and taking the time to resolve all the issues with the unit. We wanted to send a small token of our appreciation to say thanks sooo much!!”
Barbara K. & Mike S., Upland CA

“The young man who serviced our unit does very well with customers, and thanks for the timely service on our equipment. We will see you in the summer when you service the air. Best wishes to all of you at Novell.”
Rod Foerch, Upland CA

“Thank you for getting us cooled off. We appreciate your excellent customer service. Stay cool.”
Ann & Jim Fraggos, Claremont CA

“Thanks so much for all your help. We really appreciate it. Have a great holiday.”
Karen & Patrick Downtain, Upland CA

“Mr. Novell was very knowledgeable, helpful and explained the installation and various products to me which helped me making an informed decision. He and his crew were always on time and very professional. They kept my house very clean each day. I recommend their services and my new system works beautifully. Thank You.”
H. Hughes, Upland, CA

“My wife and I are very happy with the 2 units that we purchased from Mike.”
Henry Duran, Claremont CA

“Mike Novell offered the best package and could give me the best service. He completed the work as promised, on schedule. I love my new system.”
Rob & Martha Bell, Claremont CA