| 01 | ARS/Rescue Rooter | 30.9 |
| 02 | John Coltrane | 30.6 |
| 03 | quality-installation program | 30.0 |
| 04 | valueheatingandcooling.com | 25.0 |
| 05 | Energy Star | 23.1 |
| 06 | Local, Reputable Contractor | 20.0 |
| 07 | You Purchase, We Install | 19.2 |
| 08 | ACCA Manual J | 18.7 |
| 09 | ACCA Manual S | 17.7 |
| 10 | We Purchase, We Install | 16.9 |
| 11 | ACCA Manual D | 16.9 |
| 12 | ESVI program | 16.3 |
| 13 | EPA | 15.8 |
| 14 | hvacdirectcolumbia.com | 15.6 |
| 15 | Association of Chartered Certified Accountants | 15.4 |
| 16 | Residential Service and Installation | 15.0 |
| 17 | Goodman | 15.0 |
| 18 | Furnace-only replacement packages | 14.7 |
| 19 | bid comparison checklist | 14.7 |
| 20 | basic replacement | 14.4 |
| 21 | heat pump installation | 14.2 |
| 22 | money.com | 14.1 |
| 23 | furnace + AC replacement | 14.0 |
| 24 | duct sealing + replacement | 13.8 |
| 25 | whole-home performance upgrade | 13.6 |
| 26 | Daikin | 13.1 |
| 27 | Rheem | 11.5 |
| 28 | Ruud | 10.2 |
| 29 | American Standard | 8.8 |
| 30 | Bryant | 8.4 |