| Business Name | Phone | Address | zip code |
| Advantage Heating Air Conditioning & Refregoration | (301)393-5737 | 20215 Beaver Creek Road | 21740 |
| Noland Company | (301)739-6600 | 1350 Wesel Boulevard | 21740 |
| Northeastern Supply | (301)739-7474 | 1100 Business Center Drive | 21740 |
| Ferguson | (301)745-5404 | 955A SWeeney Drive | 21740 |
| Lyon Conklin & CO Inc | (301)745-5530 | 955B SWeeney Drive | 21740 |
| R E Michel CO Inc | (301)790-1620 | 915 South Burhans Boulevard East | 21740 |
| Tower Hill Corporation | (301)791-7399 | 1050 Florida Avenue | 21740 |
| Envision Design & Supply Inc | (301)797-6933 | 18022 Maugans Avenue | 21740 |
| Firestone Tire & Service Centers | (301)582-3222 | 20 Valley Mall | 21740 |
| Warrenfeltz's Heatng | (301)797-7001 | 839 South Potomac St | 21740 |
| Warrenfeltz Refrigeration | (301)797-7000 | 839 S Potomac St | 21740 |
You can also check out Air Conditioning And Heating in Hagerstown