Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in Wyoming, Michigan, serving contractors across the greater Grand Rapids metropolitan area. With a 4.5-star rating collected from 22 verified customer reviews, this wholesale-only distributor has earned a reputation among HVAC professionals for maintaining extensive inventory and knowledgeable staff. The company operates Monday through Friday from 7 AM to 5 PM, providing equipment, parts, and technical support to certified contractors who require commercial-grade heating and cooling solutions for residential and commercial installations.

The Wyoming location offers an extensive catalog of HVAC equipment spanning multiple categories identified on their website, including split systems, mini-split systems, single packaged units, variable capacity systems, air handlers, evaporator coils, gas furnaces, and oil furnaces. They carry extended warranties on equipment and provide homeowner financing options, making them a strategic partner for contractors managing project budgets. Their commercial division supports larger installations, while their specialty lines include manufactured housing units and multi-zone systems designed for contemporary efficiency-focused homes.

Customer reviews consistently highlight specific team members who deliver exceptional support. Cutter Pitts praised Skylar and Carlos for their technical knowledge and patience in teaching complex diagnostics. Richard Dykhouse credited Brian with navigating a challenging parts situation that saved significant expense. Tony Courser noted the streamlined process of walking in and out with needed components, while Bill Band described the team as consistently helpful and friendly across multiple visits.