| Business | Phone |
| A-1 Heating & Gutters 3717 N Fairmount St, Davenport 52806 | (563) 322-3600 |
| Bill's Heating & Air Cond Davenport 52801 | (563) 326-0528 |
| Carlson Heating & Air Cond Davenport 52803 | (563) 324-7044 |
| Entec Services Inc 6220 N Brady St # A, Davenport 52806 | (563) 391-2166 |
| Fiers Plumbing Heating & Air Davenport 52806 | (563) 388-7050 |
| Freed Heating & Air Cond Davenport 52803 | (563) 323-1877 |
| Gabrilson Heating & Air Cond 5442 Carey Ave, Davenport 52807 | (563) 386-9000 |
| Harv's Heating & Air Cond 1540 Mississippi Ave, Davenport 52803 | (563) 323-2099 |
| Hometown Plumbing & Heating 13606 118th Ave, Davenport 52804 | (563) 381-4800 |
| Kelley Mechanical Inc Davenport 52803 | (563) 322-3462 |
| Ogden Air Cond & Heating Svc 1607 W 4th St, Davenport 52802 | (563) 324-0339 |