| Business | Phone |
| Viglione Heating & Cooling 259 Commerce St, East Haven 6512 | (203) 467-8388 |
| Total Comfort Control Llc 173 Russo Ave, East Haven 6513 | (203) 484-9698 |
| C M Canestri Plumbing 6 S Dale St, East Haven 6513 | (203) 468-6644 |
| Climate Control Corp 22 Hemingway Ave, East Haven 6512 | (203) 468-7044 |
| Royal Remodeling Co 193 Kimberly Ave, East Haven 6512 | (203) 468-0755 |
| Diamond Heating & Cooling Llc 429 Silver Sands Rd, East Haven 6512 | (203) 468-0457 |
| Holland Heating & Cooling 32 Old Foxon Rd # 57, East Haven 6513 | (203) 468-7920 |