| Business | Phone |
| Advance Cooling Tech Inc 1000 New Holland Ave, Lancaster 17601 | (717) 293-9475 |
| Air Design 317 Buch Ave, Lancaster 17601 | (717) 569-8418 |
| Allen Air Cond & Refrigeration 317 Buch Ave, Lancaster 17601 | (717) 397-1250 |
| Brubaker Inc 1284 Rohrerstown Rd, Lancaster 17601 | (717) 299-5643 |
| Clark Mechanical Svc 2445 Old Philadelphia Pike # A, Lancaster 17602 | (717) 396-0545 |
| Superior Mechanical Svc 1980 Old Philadelphia Pike # B, Lancaster 17602 | (717) 293-9077 |
| Comfort Aire Heating & Cooling Willow St, Lancaster 17602 | (717) 464-6460 |
| Comfortable Design Heating Lancaster 17602 | (717) 295-5598 |
| Starr Heating & Air Cond 116 N Water St, Lancaster 17603 | (717) 394-5180 |
| Dick Schnader's Heating & Cool 306 Clover Ave, Lancaster 17602 | (717) 392-4338 |
| James C Draper Lancaster 17602 | (717) 396-8616 |
| Rsc Heating & Air Cond Co 139 Supervisors Rd, Lancaster 17603 | (717) 871-6616 |
| Sencon 1927 Blue Ridge Dr, Lancaster 17603 | (717) 872-8190 |
| Fryman Services 2114 Hollinger Rd, Lancaster 17602 | (717) 464-0141 |
| Ressler's Propane Lancaster 17601 | (717) 569-6122 |
| Robert Low Heating & Cooling 1601 Butter Rd, Lancaster 17601 | (717) 299-5440 |
| Rohrer Co 2660 Columbia Ave, Lancaster 17603 | (717) 299-7300 |
| Hammond Heating & Air Cond 540 E King St, Lancaster 17602 | (717) 397-2353 |
| Hogarth Heating & Cooling Inc 2844 Southwick Dr, Lancaster 17601 | (717) 519-0239 |
| Peris Heating & Cooling 513 Garden Hill Ln, Lancaster 17603 | (717) 392-0977 |
| Pierce Phelps Inc 360 Steel Way # 7-8, Lancaster 17601 | (717) 295-8330 |
| Neffsville Plumbing & Heating 211 Bucky Dr, Lancaster 17601 | (717) 672-0967 |
| Lyon Conklin & Co Inc 499 Running Pump Rd, Lancaster 17601 | (717) 293-1901 |
| Young's Service Co Inc 965 E Orange St, Lancaster 17602 | (717) 392-6006 |