Johnstone Supply
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About Johnstone Supply
Johnstone Supply operates as a heating equipment supplier in Clarksville, Tennessee, maintaining a 4.3-star rating across 16 customer reviews. The business is open Monday through Friday from 7:30 AM to 5 PM, serving the Clarksville area with HVAC equipment and parts. Website listings indicate the company carries residential and commercial HVAC equipment including split systems, mini-split systems, furnaces, and evaporator coils, along with installation accessories and field-installed components.
The supplier offers a range of HVAC equipment categories spanning single packaged units, multi-zone and single-zone systems, variable capacity systems, and manufactured housing solutions. Equipment tools available include the AHRI System Selector and Mini-Split Selector for matching appropriate systems. A training calendar provides continuing education opportunities, while contractor accounts unlock access to specialized tools, free shipping options, and cross-reference search capabilities for parts identification.
Customer reviews highlight several service scenarios. Joshua Kennon described receiving helpful repair tips after being disappointed by other retailers, noting the staff guided his A/C project to success. Brian Carnahan recounted an emergency situation where he needed a capacitor and the team held the part as he rushed to arrive before closing, getting his AC operational the same day. Reviewers specifically named James and Jesse for going above and beyond to assist an HVAC and plumbing company with parts and service needs.
What Customers Say
All five-star reviewers describe emergency or urgent assistance, with Brian Carnahan noting same-day part procurement and Joshua Kennon highlighting repair guidance. Negative feedback centers on refrigerant sales policy disputes rather than product quality.
Working Hours
| SundayToday | Closed |
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
HVAC Equipment Sales
Split systems, mini-splits, furnaces, single packaged units, and residential unitary equipment for homes and businesses.
Component & Parts Supply
Evaporator coils, air handlers, installation accessories, and field-installed accessories for system repairs and installations.
Mini-Split Systems
Multi-zone and single-zone mini-split systems including variable capacity configurations for flexible cooling and heating.
Commercial HVAC Equipment
Commercial-grade single packaged units and split systems for larger building applications.
System Selection Tools
AHRI System Selector and Mini-Split Selector tools help match equipment to specific application requirements.
Contractor Accounts
Account access provides contractor tools, free shipping, training calendar, and cross-reference search capabilities.
Technical Support
Staff assists with parts identification, cross-referencing, and repair guidance for various HVAC systems.
Manufactured Housing Solutions
Specialized HVAC equipment designed for manufactured housing and mobile home installations.