| Business | Phone |
| Action Air Conditioning & Htg Langhorne 19047 | (215) 750-6677 |
| Airtemp Cooling & Heating Inc 504 Wyoming Ave, Langhorne 19047 | (215) 752-4556 |
| Atlas Heating & Cooling Inc Langhorne 19047 | (215) 741-5910 |
| De Long Svc Co 645 Highpointe Cir, Langhorne 19047 | (215) 333-6413 |
| Dellavalle Heating & Air Cond Langhorne 19047 | (215) 750-3431 |
| Reese Mechanical Langhorne 19047 | (215) 750-9335 |
| Indoor Comfort Systems 145 Chancery Rd, Langhorne 19047 | (215) 741-5505 |
| Proficient Inc Langhorne 19053 | (215) 355-0968 |
| Jhr Plumbing & Heating 1956 W Maple Ave, Langhorne 19047 | (215) 757-7505 |
| Patriot Heating & Air Cond Langhorne 19047 | (215) 752-2740 |
| Ken-Way Air Conditioning Assoc 44 Wood Stream Dr, Langhorne 19053 | (215) 752-4795 |
| Mc Kenzie Group Inc 641 Hazel Ave, Langhorne 19053 | (215) 355-6654 |