Johnstone Supply
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About Johnstone Supply
Johnstone Supply operates in Bethel Park, Pennsylvania as a heating equipment supplier with 18 verified customer reviews generating a 3.7-star average rating. The retail location opens Monday through Friday from 7:30 AM to 4 PM, serving homeowners and trade professionals seeking replacement components and system accessories.
This supplier maintains an extensive catalog of residential and commercial HVAC equipment, including furnaces, split systems, single packaged units, and mini-split configurations. The website displays variable capacity systems, multi-zone and single-zone options, air handlers, evaporator coils, and field-installed accessories. They carry major brands like Trane and provide installation accessories alongside extended warranty options for residential unitary systems.
Customer reviews highlight varied experiences. A reviewer named Dan received high praise for helping locate a replacement Trane furnace motor by using model and serial numbers to identify the correct part, then ensuring all additional components for the retrofit were included. However, other reviewers report significant frustration: one customer described difficulty obtaining basic product information and feeling unable to discuss needs with knowledgeable staff, while another cited complications with part availability and fulfillment delays.
What Customers Say
Mixed sentiment appears across 18 reviews. Positive feedback highlights specific staff members like Dan who provide patient, thorough assistance with hard-to-find components. Negative reviews cite fulfillment problems, communication barriers, and account requirements that limit information access for non-contractor customers.
Working Hours
| Sunday | Closed |
| MondayToday | 7:30 AM–4 PM |
| Tuesday | 7:30 AM–4 PM |
| Wednesday | 7:30 AM–4 PM |
| Thursday | 7:30 AM–4 PM |
| Friday | 7:30 AM–4 PM |
| Saturday | Closed |
Services
Furnace Sales
Residential gas and oil furnaces, single packaged units, and split system options available for purchase.
Mini-Split Systems
Variable capacity mini-split heat pumps including multi-zone and single-zone configurations for flexible climate control.
Evaporator Coils & Air Handlers
Replacement evaporator coils and air handler units for residential HVAC systems.
Commercial HVAC Equipment
Commercial single packaged units and split systems for larger installations.
Parts Locator Service
Staff assists with identifying correct replacement parts using model and serial number information.
Installation Accessories
Field-installed accessories and components needed for proper system installation and retrofit projects.
Extended Warranties
Extended warranty options available for residential unitary equipment purchases.