Donovan H.

Donovan H. - HVAC Service Technician.

Donovan H.

HVAC Service Technician

6 Reviews

“Don was very friendly. He answered my questions and inspected the area in question confirming that all was safe. Frederick & Son has installed and has been servicing my heaters since 2005 and I have always been happy with their work.”
- Susan O.
“Don was very friendly. He answered my questions and inspected the area in question confirming that all was safe. Frederick & Son has installed and has been servicing my heaters since 2005 and I have always been happy with their work.”
- Susan O.
“I had an AC issue and Donovan H from Jos Frederick and Sons did a great job at diagnosing the problem and fixing it on the spot. Very impressed by his knowledge and professionalism.”
- Robert G.