
Johnstone Supply
Johnstone Supply
Johnstone Supply is a Billings wholesale distributor serving professional HVACR contractors. Its catalog includes products for residential, light-commercial, refrigeration and facilities-maintenance work. The company traces its history to a modest Portland store that began operating in 1953.
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Service Area
Based in Billings.
Active Business Listing
Johnstone Supply is one of 13 HVAC companies ProsGrade lists in Billings, Montana.
10 services listed, including HVAC equipment, HVACR parts and Refrigeration equipment. Open weekdays, closed on weekends. 7 reviews.
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How This Business Compares
How Johnstone Supply compares with the other 12 HVAC companies on ProsGrade in Billings, using public Google ratings and review counts.
- One of 13 Billings HVAC companies on ProsGrade.
Services Covered
10 services- HVAC equipmentpackaged and split systems, mini-splits, evaporator coils and furnaces
- HVACR partsair-conditioning and refrigeration components, evaporators, expansion valves and filter-driers
- Refrigeration equipmentair-cooled condensers, chillers, cooling towers, ice machines, refrigerators and freezers
- Hydronics & plumbingboilers, hydronic heaters, water heaters and pumps
- Motorsblowers, draft-inducer blowers, motor accessories, bearings and belts
- Installation & maintenance suppliescondensate drains and pumps, unit pads and covers, fittings, insulation and line sets
- Thermostatsconnected, digital programmable and non-programmable, line-voltage and mechanical
- Ventilation & indoor air qualityair cleaners and filtration, dehumidification, heat and energy recovery, humidification, exhaust and supply fans
- Testing toolsairflow, combustion, leak and pressure test instruments
- Contractor toolsAHRI, mini-split, motor and rooftop selectors
Reviews
What customers say
Customers praise the parts selection. One customer reports having bought hundreds of parts without an issue and says staff take time to help each customer.
Customer Reviews
Keenan McIntire
Enjoyed my experience
Michael C
Best selection of parts, with service that can't be beat!
Pat Whalen
Always a good bunch of of guys.
Joel Avery
The folks at Johnstone are always willing to help. They always take time to help each customer. I've bought hundreds of parts, never had an issue with any of them! I highly recommend them on if you have an account.
Brice Ligget
Good selection of parts for all your hvac needs. Wholesale only.
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Frequently Asked Questions
Can homeowners buy directly from Johnstone Supply?
No. It sells wholesale only and does not sell directly to homeowners; purchaser identification is required, and the new-account form requires applicants to affirm they are licensed HVAC or refrigeration professionals.


