| Business | Phone |
| Charlotte Water Heater Co Inc 2300 Knickerbocker Dr, Charlotte 28212 | (704) 893-0705 |
| Gas Appliance Sales Inc 228 E Peterson Dr, Charlotte 28217 | (704) 527-5810 |
| Brothers Tankless Water Heaters and Plumbing 1320 E. Main St, Charlotte 28203 | (888) 500-9392 |