Johnstone Supply

Johnstone Supply operates as a heating equipment supplier serving the Houston metropolitan area from its location at 8200 Antoine Drive. The business holds a 4.7-star rating derived from 43 customer reviews, reflecting consistent service quality across its client base. Operating hours span Monday through Friday from 8 AM to 5 PM, with Saturday availability from 8 AM to noon and Sunday service closed. The company focuses on supplying refrigerant products, nitrogen tanks, and hard-to-locate heating system components to both professional contractors and homeowners undertaking DIY repairs.

This supplier distinguishes itself through specialized inventory that other distributors cannot match. Multiple reviewers specifically praise the team for locating parts that were unavailable anywhere else, with next-day shipping ensuring project timelines remained intact. The business maintains ready availability of refrigerants and industrial gases, positioning itself as a critical resource for HVAC technicians requiring immediate access to consumable supplies. Staff demonstrate product knowledge that enables accurate part identification and appropriate refrigerant selection for various system configurations.

Customer reviews consistently highlight Juan Martinez as a go-to team member for locating difficult-to-source components. One reviewer describes how Martinez identified and shipped next-day heating elements that three other suppliers could not procure. Another review recounts Martinez's assistance with refrigerant and nitrogen tank procurement, noting professional handling of pressurized gas transactions. The reviews emphasize responsive communication and problem-solving orientation, with multiple five-star ratings citing the team's willingness to help and product availability as primary reasons for continued patronage.