| Business | Phone |
| Absolute Climate Control Inc 138 Oak Orch W, Millsboro 19966 | (302) 732-7767 |
| Sab Heating & Air Cond Svc Shady Ln, Millsboro 19966 | (302) 945-3117 |
| Deem Heating & Air Cond Millsboro 19966 | (302) 945-7344 |
| First Class Htg & Ac 316 W Dupont Hwy, Millsboro 19966 | (302) 934-8900 |
| Vickers Heating & Air 19930 Lowes Crossing Rd, Millsboro 19966 | (302) 238-7745 |