Read below to see what our past clients and customers have to say about our design services:

Ontario HVAC Design is proud to have some of the best customers around! Check out some things that people are saying about us!

Here’s what our partners are saying:

We have been using the service of Ontario HVAC Design for our residential and commercial mechanical design projects. We have never been disappointed in either the quality of the work or the professionalism shown. Ontario HVAC Design is exactly is willing to go above and beyond to satisfy a customer which is not often that you find in a design company.

I completely recommend Ontario HVAC Design for any of your HVAC design needs.


We have recently entrusted Ontario HVAC Design to design our residential HVAC project. Ontario HVAC Design did a wonderful job in very reasonable time and in our budget. I find this company to be very honest and punctual and recommend him without hesitation to my General Contraction customers.

– Oliver D. Wilson
ART-EM General Construction

As a homeowner, Ontario HVAC Design was the best choice for our new home project. It was a joy to work with them. I highly recommend Ontario HVAC Design for your home projects.

– Amy Y. Kaya
Home Owner