Johnstone Supply is a wholesale distributor of HVAC products and services located in Chicago, Niles and Hillside, IL, serving the surrounding Chicagoland area.

Our expert staff provides you with a diversified inventory of parts and equipment. Johnstone Supply also provides contractors with technical advice on all air conditioning and heating parts, equipment and procedures.

Our HVAC product index includes:
Commercial kitchen supplies
Electrical
Heating and air conditioning controls
HVAC equipment
Installation and maintenance supplies
Motors and motor accessories
Refrigeration
Test instruments and tools
Ventilation and indoor air quality
Pumps and valves

The friendly and expert staff at Johnstone Supply is here to help you find all the parts you need in order to keep your clients happy. We offer 40,000 parts and equipment locally stocked at each of our conveniently located branches. For all the top brands, Johnstone Supply has what you need.

Whether you're in the market for air conditioner units or boiler instruments, Johnstone Supply is your one-stop-shop for all your HVAC needs.

Call Johnstone Supply today for all your HVAC needs!