| Business | Phone |
| Air Conditioning & Htg Specs 1209 Kepler St, Gretna 70053 | (504) 366-6969 |
| Air Max Heating & Air Cond 220 Apollo St, Gretna 70056 | (504) 364-8011 |
| American United A/C & Heating 313 Wright Ave, Gretna 70056 | (504) 362-0189 |
| Bryan's United Ac & Htg Inc 1615 Leboeuf St, Gretna 70053 | (504) 368-3297 |
| Bryan's United Air Cond & Htg 628 Monroe St, Gretna 70053 | (504) 468-2332 |
| Byrd's Mechanical & Plumbing 1530 Huey P Long Ave, Gretna 70053 | (504) 368-2431 |
| Domino's Air Conditioning 624 Wall Blvd, Gretna 70056 | (504) 400-0746 |
| Eagle Air Cond Refrigeration 301 Willowbrook Dr, Gretna 70056 | (504) 392-7307 |
| Fred's Air Conditioning 540 9th St, Gretna 70053 | (504) 366-9548 |
| Freeze-On A/C & Heating 1007 Hawkins St, Gretna 70053 | (504) 361-5800 |
| Gbob Enterprises 2716 Fairfield Ave, Gretna 70056 | (504) 393-9062 |
| Kool Breeze Air Cond & Refrig 1614 Lafayette St, Gretna 70053 | (504) 366-3535 |
| Mac Lean's Air Conditioning 708 Fairfield Ave, Gretna 70056 | (504) 391-9299 |
| Rea Air Conditioning & Heating 1225 Huey P Long Ave, Gretna 70053 | (504) 361-0144 |
| Saulino's Pappy's A/C Heating 565 Diplomat St, Gretna 70056 | (504) 341-2522 |
| Technical Service 322 3rd St, Gretna 70053 | (504) 348-0390 |
| Vanderbrook & Son Inc 431 12th St, Gretna 70053 | (504) 366-0000 |
| Vanderbrook Air Cond & Refrig 535 9th St, Gretna 70053 | (504) 361-1701 |
| Bryan's United Air Cond 1615 Lavare St, Gretna 70053 | (985) 785-2968 |