July 2026
Great hvac supply house near new castle, Delaware. If you like Prompt, polite, and professional service; Johnstone HVAC supply won’t let you down. Thank you guys for the great service! The industry appreciates you all very much!
July 2024
Great company, friendly, knowledgeable and all around great employees. I go here for everything!
April 2023
If you install or fix hvac, this is a great place to go, the manager really tries to meet your needs.
