January 25, 2023

Koil D

"Don Cassel is a thorough professional and he did a very clean job in installing the HVAC system at our home in February 2020. Recently when the thermostat failed he came in person and replaced it with no charge to us. We are so pleased with Don's services."
December 25, 2022

Mark Larson

"Great service with special attention to details."
October 25, 2022

Shawn Milner

"Don just gets it done!!!! ❤️ It's been weeks dealing with other companies. Don did more in six hours than what two big box companies couldn't achieve over 6 weeks. Thank you!!!! I had previously tried two big box hvac companies to to come out and fix a heater on one property and air conditioner on another property. To keep this story short. For each property they each made it a hassle scheduling for a quote with myself and tenants then try to sell you something in addition to the problem and then take weeks to coordinate another time which they may or may not show up which both companies rescheduled after all the hassle of coordination. I got frustrated and thank God I came by Don Castle's number."
September 25, 2022

Dominic Graziano

"Donald was friendly, informative, and was able to diagnose and fix the issue with our AC unit quickly. He charged for his excellent work, but advised me on other areas to improve my HVAC system for free, even going so far as to send me links to products I could purchase, at no direct benefit to him. THAT is someone who cares about their customers, folks. Call him first before anyone else."
September 25, 2022

Kellan Mayberry

"I contacted Don on a Friday morning at 7am. He showed up at my house that morning and had my AC unit fixed by 10am. Very responsive and professional. 5 Stars !!"