Johnstone Supply

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Claim This BusinessAbout Johnstone Supply
Johnstone Supply operates as a heating equipment supplier serving contractors and homeowners in Williamsburg, Virginia and nearby eastern Virginia communities. The business maintains a 4.6-star rating compiled across thirty customer reviews, reflecting consistent service quality throughout the region. Standard hours run Monday through Friday from 7:30 AM to 5:00 PM, providing accessible availability for equipment consultations and product procurement during typical workdays.
Unlike retail-focused big-box competitors, Johnstone Supply functions exclusively as a contractor-only distributor, grantingtrade professionals dedicated access to equipment and specialty components without competing againstDIY customers. Their inventory encompasses residential and commercial systems including single-packaged units, split systems, andmini-split configurations alongside air handlers, evaporator coils, and both gas and oil furnaces from multiple leading manufacturers.
Multiple reviewers recount specific experiences highlighting the team's problem-solving capability. One customer described arriving desperate for an upflow drain pan for a Goodman coil after competitors claimed purchasing an entire new coil represented the sole option, only to discover Johnstone Supply located the exact component without hesitation. Another reviewer credited the staff with going beyond standard service to locate parts that other supply houses could not source. Customers consistently referenceindividual team members including Stewart, Casey, Audrey, and others by name for their responsiveness and willingness to assist regardless of complexity.
What Customers Say
Every reviewer awarded five stars, with four explicitly praising the team's ability to resolve difficult parts sourcing challenges or deliver same-day assistance when other distributors fell short. Multiple customers name specific employees and highlight problem-solving over transactional service.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–5 PM |
| TuesdayToday | 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
Residential HVAC Systems
Split systems, single-packaged units, and multi-zone configurations for homes alongside mini-split single and variable capacity options.
Mini-Split Installation
Single and multi-zone mini-split heat pump systems offering flexible zoning for rooms and additions.
Furnace Supply
Gas furnaces and oil furnaces including extended warranty options for residential heating replacements.
Air Handlers and Coils
Air handlers paired with evaporator coils and field-installed accessories for complete system configurations.
Commercial Equipment
Single-packaged and split commercial HVAC units designed for facilities and light commercial applications.
Specialty Components
Drain pans, installation accessories, and specialty parts often unavailable through other regional suppliers.
Extended Warranties
Optional extended warranty programs available on qualifying residential unitary equipment purchases.