| Ach Pro Mechanical | Joshua Boe Gayski | — | (707) 880 9119 | HVAC | Napa · Napa County | — | — |
| Adameck HVAC INC | Adam Christian Eckenwiler | — | (707) 266-1033 | HVAC | Napa · Napa County | — | — |
| Aldape Heating And Air Conditioning | Aldape Heating And Air Conditioning | — | (707) 980 2999 | HVAC | American Canyon · Napa County | — | — |
| Bell Products INC | Jeffrey Francis Alcayaga | — | (707) 255 1811 | HVAC | Napa · Napa County | — | — |
| Cm Heating And Air | Cm Heating And Air | — | (707) 699 5219 | HVAC | Napa · Napa County | — | — |
| Custom Heating And Air Conditioning | Custom Heating And Air Conditioning | — | (707) 257 6949 | HVAC | Napa · Napa County | — | — |
| Denny's Heating & Air Conditioning LLC | Dennis Edward Jr Ruise | — | (707) 254 9352 | HVAC | Napa · Napa County | — | — |
| Dowdle & Sons Mechanical INC | Andrew Joseph Dowdle | — | (707) 224 6968 | HVAC | American Canyon · Napa County | — | — |
| Eagle Heating & Air Conditioning | Eagle Heating & Air Conditioning | — | (707) 738 6196 | HVAC | Napa · Napa County | — | — |
| Fox-heating Air Conditioning And Refrigeration | Jeff Edwin Jury | — | (323) 456 6833 | HVAC | Napa · Napa County | — | — |
| Fuse HVAC & Appliance Repair Napa | Fuse HVAC & Appliance Repair Napa | — | (707) 883-8003 | HVAC | Napa · Napa County | — | — |
| Integrity Sheet Metal | Integrity Sheet Metal | — | (707) 225 7069 | HVAC | Napa · Napa County | — | — |
| Jb3 HVAC | Jb3 HVAC | — | (951) 228-7728 | HVAC | Menifee · Napa County | — | — |
| Jeremy Jack INC DBA Standard HVAC | Jeremiah Russell Jack | jeremy@standardhvacnapa.com | (707) 255 1748 | HVAC | Napa · Napa County | — | — |
| Jordan Mechanical INC | Gary Lee Jordan | — | (707) 260 5110 | HVAC | Napa · Napa County | — | — |
| Jre Heating And Air | Jre Heating And Air | — | (707) 287 2457 | HVAC | Napa · Napa County | — | — |
| Jvg Cooling & Heating Solutions LLC | Jesus Victor Garcia Ceballos | — | (707) 332 8188 | HVAC | Napa · Napa County | — | — |
| Lh Heating And Air | Lh Heating And Air | — | (707) 363 3547 | HVAC | Napa · Napa County | — | — |
| Marin Heating And Air | Marin Heating And Air | marinheatingac@gmail.com | (415) 748-0081 | HVAC | Fairfax · Napa County | — | — |
| Miller Signs | Mark Edward Miller | — | (707) 647 2025 | HVAC | American Canyon · Napa County | — | — |
| Mr Fix | Mr Fix | — | (707) 246 5770 | HVAC | Yountville · Napa County | — | — |
| Mri Heating And Air Conditioning | Mri Heating And Air Conditioning | — | (707) 685 4776 | HVAC | Napa · Napa County | — | — |
| Napa Auto Parts - Encinitas | Napa Auto Parts - Encinitas | — | (760) 753-5597 | HVAC | Encinitas · Napa County | — | — |
| Napa Auto Parts - Escondido | Napa Auto Parts - Escondido | — | (760) 740-2100 | HVAC | Escondido · Napa County | — | — |
| Napa Auto Parts - Oceanside | Napa Auto Parts - Oceanside | — | (760) 722-8243 | HVAC | Oceanside · Napa County | — | — |
| Napa Auto Parts - Poway | Napa Auto Parts - Poway | — | (858) 679-3540 | HVAC | Poway · Napa County | — | — |
| Napa Auto Parts - San Marcos | Napa Auto Parts - San Marcos | — | (760) 736-6000 | HVAC | San Marcos · Napa County | — | — |
| Quality Heating & Air Conditioning Service | John Lester Shanks | — | (707) 315 5944 | HVAC | American Canyon · Napa County | — | — |
| Reid Sheet Metal Services INC | Paul Clay Wagner | — | (707) 253 0909 | HVAC | American Canyon · Napa County | — | — |
| Reliable Refrigeration | Casey David Walker | — | (707) 252 7227 | HVAC | Napa · Napa County | — | — |
| Steve's Heating & Cooling | Steve's Heating & Cooling | — | (707) 252 4328 | HVAC | Napa · Napa County | — | — |
| Sun Heating & Air Conditioning | Sun Heating & Air Conditioning | — | (707) 226 3852 | HVAC | Napa · Napa County | — | — |
| Valley West Consulting & Design | Valley West Consulting & Design | — | (707) 252 8448 | HVAC | Napa · Napa County | — | — |
| Winery Heating Industrial Refrigeration Company | Connie Joann Rios-schellenger | — | (707) 737 4101 | HVAC | Calistoga · Napa County | — | — |
| Z S Heating And Air INC | Zaid Tomas Szmidt | — | (707) 287 4027 | HVAC | Napa · Napa County | — | — |