Johnstone Supply

Johnstone Supply Store #433 serves contractors and DIY homeowners from its Ferndale, Washington location in Whatcom County. This heating equipment supplier has earned a perfect 5.0-star rating across six verified reviews, reflecting consistent excellence in product knowledge and customer service. The store operates Monday through Friday from 7 AM to 4:30 PM, providing access to HVAC equipment, parts, and accessories for professionals serving the greater Bellingham area and surrounding communities.

As a wholesale distributor, Johnstone Supply differentiates itself through extensive brand partnerships including Lennox, Mitsubishi variable-capacity systems, and major residential unitary manufacturers. The store maintains a comprehensive inventory of single-packaged units, split systems, mini-split systems, evaporator coils, gas and oil furnaces, and air handlers. Their contractor-focused model includes account requesting, dedicated contractor tools, warranty processing, and training opportunities that draw technicians from across the region.

Customer reviews highlight the staff's willingness to assist, with Calvin Hallmark noting the team is 'always willing to help' and philsince59 describing interactions as 'friendly and professional.' One reviewer described a positive experience picking up parts during a training event where the team shared hospitality. The consistent 5-star feedback emphasizes product availability and knowledgeable staff who support both seasoned contractors and those newer to the trade.