| Business | Phone |
| J & P Htg & A C Inc 5108 Buchanan St # C, Hyattsville 20781 | (202) 829-5000 |
| Jiffy Plumbing & Heating 4623 Baltimore Ave, Hyattsville 20781 | (301) 277-9111 |
| Lowery Heating & Air Cond 502 Main St, Hyattsville 20783 | (301) 470-4711 |
| Magnolia Air Conditioning Hyattsville 20781 | (301) 277-9380 |
| Matrix Mechanical Inc 4908 46th Ave, Hyattsville 20781 | (301) 699-8300 |
| Mr Wilson's 9648 Larchmount, Hyattsville 20783 | (301) 422-7937 |
| Muir Service Co 3610 East St, Hyattsville 20785 | (301) 927-5161 |
| All Weather Heating & Air Cond 2507 50th Ave, Hyattsville 20781 | (301) 341-2909 |
| Aspen Air Hyattsville 20783 | (301) 439-5340 |
| Dks Climate Control Inc 5317 46th Ave, Hyattsville 20781 | (301) 459-2460 |
| W M Schlosser Co Inc 2400 51st Pl, Hyattsville 20781 | (301) 773-1300 |
| Zark's Service Co Inc 2304 Amherst Rd, Hyattsville 20783 | (301) 422-2443 |