Grow Your Business

We like to say at Johnstone Supply, work on your business and not in it. We have reformatted the way we want you to look at our business. No longer just the Supply house for widgets. We have grown beyond that and manifested into a business partner that will help you get to the growth and increased profits that you dream of. We look forward to meeting your needs. 

Daikin is a global leader for indoor comfort, with millions of systems installed throughout the world. Daikin has been improving the comfort of its customers with exceptional products and services for generations, and it is on this legacy that we work to provide you with the most reliable, state-of-the-art systems available.

Johnstone Cincinnati North
Johnstone Cincinnati South
Johnstone Florence Kentucky

Cincinnati - North

1640 East Kemper Road

 Cincinnati, OH 45246

Telephone 513-772-2665

Fax [Main] 513-772-4355

Cincinnati - South

1212 Dalton Ave

 Cincinnati, OH 45203

Telephone 513-651-2665

Fax [Main] 513-721-3616


7472 Industrial Road

Florence, KY 41042

Telephone 859-525-2665

Fax [Main] 859-647-3512

Johnstone Monroe Ohio


255 Wright Drive

Monroe, OH 45050

Telephone 513-360-2665

Fax [Main] 513-360-2666

Johnstone Dayton Ohio


15 Troy Street

 Dayton, OH 45404

Telephone 937-222-4311

Fax [Main] 937-222-3437

Johnstone South Charleston

South Charleston

101 1st Avenue

South Charleston, WV 25303

Telephone 304-744-2665

Fax [Main] 304-744-7999

Johnstone Indianapolis East

Indianapolis East

2460 N. Shadeland Ave

Indianapolis, IN 46219-1737

Telephone 317-926-2665

Fax [Main] 317-926-2666

Johnstone Indianapolis West

Indianapolis West

1125 Western Dr.
 Indianapolis, IN 46241

Telephone 317-634-2665

Fax [Main] 317-634-2666

Johnstone Indianapolis South

Indianapolis South

7427 Company Drive 

Indianapolis, IN 46237

Telephone 855-965-2665

Fax [Main] 317-881-5859