HVACin Marietta, Pennsylvania
One HVAC company is based in Marietta, PA, and ten more from nearby towns cover it. The one with a Google rating shows 5.0 stars (as of Oct 2026). 717 Mechanical LLC lists 24-hour availability on Google. The closest ones from outside town are in Bainbridge, Elizabethtown, Lancaster, within 5 miles.
Also serving Marietta
The 10 closest, by distance from the center of Marietta's listings, out of 256 within 20 miles. Owners who told us they serve Marietta are listed first.
Compare HVAC pros in Marietta
| Business | Based in | Phone | Google rating | Free estimates | After-hours | Serves |
|---|---|---|---|---|---|---|
| 717 Mechanical LLC | Marietta | (717) 931-7317 | 5.0 (229) | not reported | open 24 hrs (Google) | Marietta |
| Comfort Pro HVAC Specialists | Bainbridge | (717) 426-9990 | 4.2 (5) | not reported | open 24 hrs (Google) | Bainbridge |
| Barton's Heating Air & Plumbing | Elizabethtown | (717) 367-9750 | 4.0 (1) | not reported | not reported | Elizabethtown |
| Hanes Mechanical | Elizabethtown | (717) 864-6991 | 4.9 (118) | not reported | open 24 hrs (Google) | Elizabethtown |
| Leo Kob Co. Inc | Elizabethtown | (717) 367-1363 | 4.9 (275) | not reported | not reported | Elizabethtown |
| Sears Appliance Repair | Elizabethtown | (717) 689-2347 | 4.3 (75) | not reported | not reported | Elizabethtown |
| Ledebohm Heating&Cooling | Lancaster | (717) 480-8891 | 5.0 (4) | not reported | not reported | Lancaster |
| Air Swap Heating & Cooling, LLC | Elizabethtown | (717) 492-6509 | none | not reported | not reported | Elizabethtown |
| Elizabethtown Heating & Cooling, Inc. | Elizabethtown | (717) 367-8112 | 4.8 (58) | not reported | open 24 hrs (Google) | Elizabethtown |
| 717 HVAC Services | Lancaster | (717) 205-9015 | 5.0 (2) | not reported | not reported | Lancaster |
| Cahill HVAC | Lancaster | (717) 962-4510 | 4.8 (17) | not reported | not reported | Lancaster |
Ratings and review counts from Google, as of Oct 19, 2026. "Not reported" means the owner has not told us yet; it does not mean no.
Before you call
Heating and cooling companies vary in what they service. Read the HVAC hiring guide, including what to ask and when to book.
HVAC in Marietta: questions answered from the listings
How many HVAC companies are based in Marietta, PA?
One, as of Oct 19, 2026: 717 Mechanical LLC. Another ten from nearby towns serve Marietta, listed under "Also serving Marietta."
Which Marietta HVAC companies say they are open around the clock?
717 Mechanical LLC shows "open 24 hours" on Google as of Oct 19, 2026. We have not tested those hours; they are what the business posted.
If nobody in Marietta is available, who else serves it?
Bainbridge, Elizabethtown, Lancaster. The closest is Comfort Pro HVAC Specialists in Bainbridge, about 4 miles away.
Which Marietta HVAC business has the most Google reviews?
717 Mechanical LLC, with 229 reviews at 5 stars as of Oct 19, 2026. Treat the count as a sign of how long they have been at it, and read the newest reviews for the current picture.
Other trades in Marietta
HVAC in nearby towns
Ratings from Google, as of Oct 2026. Other fields are owner reported and dated on each listing. Order on this page: claimed listings first, then by Google review count. How this directory works.