Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in Sun Valley, California, holding a 4.5-star rating from 25 customer reviews. The location serves the surrounding Los Angeles County area with HVAC equipment distribution, functioning as a trade-only supplier for licensed contractors rather than retail consumers. Business hours extend Monday through Friday from 7 AM to 5 PM, with Saturday availability from 8 AM to noon.

The supplier maintains an extensive inventory spanning residential and commercial HVAC systems, including split systems, single packaged units, mini-split systems, and variable capacity systems. Their product catalog features gas furnaces, oil furnaces, air handlers, evaporator coils, and manufactured housing equipment. The Sun Valley location offers field installed accessories and multi-zone systems, serving contractors who require reliable equipment sourcing for installation and repair projects.

Customer feedback highlights specific team members who consistently exceed contractor expectations. David receives recognition for exceptional responsiveness to special orders and complex requests. Brooks is noted for going above and beyond standard service expectations. One reviewer describes the location as a grown-up toy store for HVAC professionals, emphasizing the comprehensive inventory that enables contractors to complete jobs without visiting multiple suppliers.