Pennsylvania
| Allen Sales and Service | Phone: | (215) 453-8688 | ||
| 589 Bethlehem Pike, Suite 800 | Fax: | (215) 996-0619 | ||
| Montgomeryville, PA 18936 | E-mail: |
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| Environmental Comfort Options | Phone: | (610) 280-9100 | ||
| 305-B National Road | Fax: | (610) 280-0411 | ||
| Exton, PA 19341 | E-mail: |
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| HVAC Specialties | Phone: | (570) 654-0865 | ||
| 10 Freeport Road | Fax: | (570) 654-0343 | ||
| Pittston, PA 18640 | E-mail: |
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| Integrated Environmental Systems | Phone: | (412) 429-2705 | ||
| 221 Hope St., Bldg 2 | Fax: | (412) 429-2707 | ||
| Carnegie, PA 15106 | E-mail: |
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