| Business | Phone |
| Btu Heating & Air Condition 846 Linden Ct, Upland 91786 | (909) 949-8858 |
| Central Air Systems 2105 N 2nd Ave, Upland 91784 | (909) 981-9902 |
| Century 22 Heating & Air 319 Mcarthur Way # 4, Upland 91786 | (909) 949-7222 |
| Comfort Mechanical Systems 238 W 11th St, Upland 91786 | (909) 946-7180 |
| Crg Heating & Air Cond 54 N Central Ave, Upland 91786 | (909) 980-2221 |
| Dial One Ballard Air Cond Htg Upland 91786 | (909) 981-4961 |
| Duncan Air Conditioning & Heat Upland 91786 | (909) 948-8830 |
| J C Air Conditioning Electric 144 Wiseman Way # A, Upland 91786 | (909) 721-2130 |
| Jackson Heating & Air Cond 1693 W Arrow Rte, Upland 91786 | (909) 932-1093 |
| Kendall Air Conditioning & Htg Po Box 1401, Upland 91785 | (909) 981-2991 |
| Marvel Air Conditioning Upland 91786 | (909) 981-9300 |
| Eskimo Air Conditioning 1240 Coronado St, Upland 91786 | (909) 920-3700 |
| Ronald L Gerber 2311 Orange Dr, Upland 91784 | (909) 949-4438 |
| Kendall Heating & A C Po Box 1401, Upland 91785 | (909) 984-1962 |
| Pratt's Heating & A C Svc 1302 Monte Vista Ave, Upland 91786 | (909) 920-0641 |
| Rhino Mechanical Inc 1638 W 9th St # A, Upland 91786 | (909) 920-6004 |
| Samco Mechanical Inc 779 N Benson Ave # H, Upland 91786 | (909) 946-7180 |
| Steve's Heating & Air Cond Svc 665 N Central Ave, Upland 91786 | (909) 985-5254 |
| Upland Air Conditioning & Htg 1737 N Euclid Ave, Upland 91784 | (909) 946-8225 |
| Kendall Heating & Ac Po Box 1401, Upland 91785 | (909) 981-2991 |