Johnstone Supply

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About Johnstone Supply
Johnstone Supply location 28 operates in Kansas City, Missouri as a heating equipment supplier serving the metro area and surrounding communities. With a rating of 4.1 stars from 55 customer reviews, the location offers contractors and certified professionals access to commercial and residential HVAC equipment along with replacement components. The store maintains standard weekday hours from 8 AM to 5 PM with Saturday availability until noon, closed on Sundays.
This supplier maintains an extensive inventory organized across multiple categories including mini-split systems, manufactured housing equipment, and specialty items like geothermal units and evaporative coolers. Their parts division covers the full spectrum from air conditioning and refrigeration components to OEM parts including blowers, coils, compressors, and thermostats. The Kansas City location stocks field-installed accessories and variable capacity systems targeting both residential and commercial applications.
Customer feedback reveals inconsistent experiences. One reviewer with HVAC certification reported being hung up on when attempting to purchase without a business account, while another described a 30-minute drive only to learn the store requires an account for purchase despite prior phone confirmation. A third customer documented three weeks of unresolved refund requests after canceling a back-ordered motor. These accounts suggest potential gaps in account verification communication and customer service follow-through.
What Customers Say
Two of six detailed reviewers mention account requirements preventing purchases, while three others cite ordering complications involving wrong parts, missing shipments, or delayed refunds. One reviewer notes pricing roughly five to six times retail online rates, contrasting with a mention of helpful service at a competing local supplier.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–12 PM |
Services
Commercial Packaged & Split Systems
Single packaged units and split systems designed for commercial HVAC installations requiring higher capacity heating and cooling.
Residential Unitary Equipment
Gas furnaces, oil furnaces, air handlers, evaporator coils, and single packaged units for home heating and cooling.
Mini-Split Systems
Variable capacity systems, multi-zone and single-zone configurations with field-installed accessories for flexible residential or commercial setup.
Specialty HVAC Equipment
Geothermal units, evaporative coolers, infrared heaters, portable AC, and through-the-wall condensing units for niche applications.
AC & Refrigeration Components
Accumulators, expansion valves, filter-driers, condensers, evaporators, and refrigeration valves for system maintenance.
OEM Parts & Motors
Compressors, blowers, coils, heat exchangers, ignition components, and motor accessories for equipment repairs.
Controls & Thermostats
Electrical controls, gas heat controls, heat pump controls, and smart thermostats for system management.
HVAC Supplies & Hardware
Duct components, gaskets, refrigerant, and installation accessories for complete system deployment.