Johnstone Supply Annapolis

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About Johnstone Supply Annapolis
Johnstone Supply Annapolis operates as a heating equipment supplier serving the Annapolis, Maryland region. The business holds a 4.5-star rating derived from 8 customer reviews, indicating generally positive service experiences. Operating hours run Monday through Friday from 7 AM to 4:30 PM, with weekend availability currently unavailable. The location provides HVAC equipment distribution primarily serving contractors and trades professionals rather than direct residential customers.
This supplier distinguishes itself through an extensive catalog of HVAC equipment categories. Website offerings include single packaged units, split systems, mini-split systems with variable capacity technology, air handlers, and evaporator coils. The product range spans residential unitary systems, gas furnaces, oil furnaces, and specialty evaporative coolers. Commercial HVAC solutions are also available alongside field-installed accessories and multi-zone systems designed for varied building configurations.
Customer feedback highlights specific team members who have delivered notable service experiences. Reviewer Paul Maison specifically recognized technician Chris Sloan for responsiveness and overall service quality, describing the team as amazing and noting collective effort to earn business. Another reviewer, Ricky Bennett, praised what they described as outstanding service from the Balsan Group, mentioning willingness to go the extra mile. However, one negative review from Ricky P cited professionalism concerns, representing the sole critical voice among eight total reviews.
What Customers Say
Five of six positive reviewers awarded 5-star ratings, with two specifically naming Chris Sloan and the Balsan Group for exceptional service. The single 1-star review cited professionalism concerns, creating a stark contrast with overwhelmingly favorable feedback. Positive reviewers emphasized teamwork and responsiveness while the negative review focused on conduct.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–4:30 PM |
| Tuesday | 7 AM–4:30 PM |
| Wednesday | 7 AM–4:30 PM |
| Thursday | 7 AM–4:30 PM |
| Friday | 7 AM–4:30 PM |
| Saturday | Closed |
Services
Split System Equipment
Traditional split HVAC systems for residential and light commercial applications with separate indoor and outdoor units.
Mini-Split Systems
Ductless mini-split solutions including single zone and multi-zone configurations with variable capacity technology.
Packaged Units
Single packaged units combining heating and cooling components in one cabinet for efficient installation.
Furnaces
Gas and oil furnace options for residential heating applications with various efficiency ratings.
Air Handlers & Evaporator Coils
Indoor air handling equipment and evaporator coil components for system installations.
Commercial HVAC Equipment
Commercial-grade heating and cooling systems designed for larger building applications.
Extended Warranties
Optional extended warranty programs available for covered equipment purchases.
Field Installation Accessories
Supporting installation components and accessories for professional HVAC system setup.