| Business | Phone |
| Smittco Ac & Heating 3209 Reagan Beth Ln, Brenham 77833 | (979) 830-1581 |
| Smittco Ac & Refrigeration County Road 50, Brenham 77833 | (979) 830-1581 |
| Triangle Air & Heating 1601 S Market St, Brenham 77833 | (979) 830-0274 |
| Triple-T Refrigeration 2529 Old Gay Hill Rd, Brenham 77833 | (979) 830-0602 |
| A-1 Energy Savers Llc 1120 S Market St, Brenham 77833 | (979) 836-4120 |
| Allen's Air Conditioning & Htg 9950 Highway 36 N, Brenham 77833 | (979) 836-7029 |
| Appelt Air Conditioning & Htg 9503 Fm 389, Brenham 77833 | (979) 277-0875 |
| Barker's Heating & Cooling Inc 1106 Highway 105, Brenham 77833 | (979) 836-9629 |
| Bluebonnet Cooling & Heating 7127 Our Ln, Brenham 77833 | (979) 836-9750 |
| Bluebonnet Cooling & Heating Cr 81, Brenham 77833 | (979) 836-9750 |
| Brenham Heating & Air Cond 2305 S Market St, Brenham 77833 | (979) 836-5653 |
| Central Heating & Air 2002 Carriage Ln, Brenham 77833 | (979) 830-0135 |
| Lakeway Air Conditioning 7800 Granny Ln, Brenham 77833 | (979) 836-5253 |