Johnstone Supply
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About Johnstone Supply
Johnstone Supply operates as an HVAC contractor in Manchester, New Hampshire, earning a 4.8-star rating across 8 client reviews. The business maintains weekday availability from 7 AM to 5 PM, serving residential and commercial customers throughout the greater Manchester area. A reviewer specifically praised the team's responsiveness, noting they move quickly to resolve issues and consistently deliver friendly service.
The company distinguishes itself through a contractor-only distribution model, offering specialized access to equipment typically unavailable to general consumers. Their online platform features commercial single-packaged units, split systems, and mini-split systems alongside residential unitary equipment including gas furnaces, oil furnaces, and variable capacity systems. Johnstone Supply also provides extended warranties and maintains a technical support division for contractor partners.
Client feedback highlights specific positive experiences with the team. One reviewer described receiving prompt resolution when problems arose, emphasizing the staff's commitment to making situations right. The company offers an Advantage Program for registered contractors and facilitates quote requests and online payments through their digital platform.
What Customers Say
7 of 8 reviewers award 5 stars, with recurring praise for friendly demeanor and swift problem resolution. Reviewers specifically mention the team's willingness to correct issues at no additional cost.
Working Hours
| Sunday | Closed |
| MondayToday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| Thursday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | Closed |
Services
Commercial HVAC Equipment
Single-packaged units and split systems designed for commercial building applications.
Residential Heating Systems
Gas furnaces, oil furnaces, and air handlers for home heating installations.
Mini-Split Installations
Single-zone and multi-zone systems with variable capacity options for flexible cooling.
Evaporator Coils & Accessories
Field-installed accessories and coil units for system expansions or replacements.
Extended Warranties
Optional warranty coverage available for new equipment purchases.
Technical Support
Contractor-facing technical support division for installation and troubleshooting assistance.
Online Quote Requests
Digital submission system for project quotes and pricing inquiries.
Online Payments
Electronic payment processing for contractor accounts and purchases.