Johnstone Supply

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Claim This BusinessAbout Johnstone Supply
Johnstone Supply operates in Salisbury, Maryland, as a heating equipment supplier serving the surrounding region. The business holds a 4.3-star average rating compiled from 12 customer reviews, reflecting a generally solid reputation in the local market. Operating hours span Monday through Friday from 7:30 AM to 4:30 PM, with weekend availability listed as closed. This establishment functions primarily as a wholesale distributor, meaning it serves licensed contractors rather than homeowner customers directly. The company maintains a physical presence in Salisbury and stocks a broad inventory of HVAC equipment systems for professional installation purposes.
The product catalog spans multiple categories relevant to both residential and commercial applications. Available equipment includes single-packaged units, traditional split systems, and increasingly popular mini-split configurations offering flexible zone-based climate control. The inventory extends to air handlers, evaporator coils, and both gas and oil furnace options, providing contractors with a comprehensive selection for varied installation scenarios. Several positive reviews reference the competitive pricing structure and the convenience of finding required components readily available without extended wait times.
Customer experiences highlighted through reviews reveal consistent praise for specific staff members at this location. John Reiss receives multiple recognitions as a knowledgeable professional who works efficiently and maintains product availability on-site. Rick earns separate acknowledgment for his technical guidance and customer-focused approach. One reviewer described a scenario involving warranty documentation where Kristina assisted with processing parts at the counter. Negative feedback centered on isolated instances of perceived rudeness and confusion over returned components, though these represented a minority of the eight recorded experiences.
What Customers Say
Seven of eight reviewers awarded five-star ratings, with recurring mentions of helpful and knowledgeable staff members. Positive reviews specifically call out John Reiss, Rick, and Kristina by name, praising their responsiveness and product expertise. Two lower-rated reviews cite occasional communication lapses and one customer described experiencing dismissive behavior fromcounter staff.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–4:30 PM |
| TuesdayToday | 7:30 AM–4:30 PM |
| Wednesday | 7:30 AM–4:30 PM |
| Thursday | 7:30 AM–4:30 PM |
| Friday | 7:30 AM–4:30 PM |
| Saturday | Closed |
Services
Commercial HVAC Systems
Single packaged and split system units designed for larger commercial building installations requiring higher capacity outputs.
Residential Split Systems
Traditional split configuration heating and cooling systems pairing indoor air handlers with outdoor condensers.
Mini-Split and Multi-Zone Systems
Flexible ductless and zone-controlled solutions allowing independent temperature regulation across different areas.
Variable Capacity Systems
Advanced systems modulating output for enhanced efficiency and precise temperature maintenance.
Gas and Oil Furnaces
Direct vent and conventional furnace options covering different fuel source preferences and installation requirements.
Air Handlers and Evaporator Coils
Indoor air circulation components essential for complete system configuration and airflow management.
Field Installation Accessories
Supporting hardware, refrigerants, and mounting components facilitating proper equipment installation.