Ranked by actual building permits filed in the last 6 months. Not Angi self-reports. Not Google review-stuffed listings. Real construction data from the city.
Ranked by the number of hvac permits each contractor pulled in Bellingham, WA since December 2025. This is the raw public record — no editorial fluff, no pay-to-play rankings.
| Rank | Contractor | Permits Filed | Status |
|---|---|---|---|
| #1 | MARR'S HEATING & A/C INC | 114 permits | ✓ Active |
| #2 | BARRON HEATING & A/C INC | 101 permits | ✓ Active |
| #3 | LYNDEN SHEET METAL INC | 46 permits | ✓ Active |
| #4 | ANDGAR MECHANICAL LLC | 33 permits | ✓ Active |
| #5 | Feller Heating | 25 permits | ✓ Active |
| #6 | WEST MECHANICAL INC | 25 permits | ✓ Active |
| #7 | CASCADE NATURAL GAS | 21 permits | ✓ Active |
| #8 | CLEAN AIR COMFORT SYSTEMS | 17 permits | ✓ Active |
| #9 | OWNER AS CONTRCT EXEMPT PER RCW18.27.090 | 15 permits | ✓ Active |
| #10 | BLYTHE MECHANICAL INC. | 8 permits | ✓ Active |
| #11 | EXXEL PACIFIC INC | 8 permits | ✓ Active |
| #12 | DAWSON CONSTRUCTION LLC | 6 permits | ✓ Active |
| #13 | SMITH MECHANICAL INC | 6 permits | ✓ Active |
| #14 | NORTHWEST ENERGY SYS OF WA INC | 6 permits | ✓ Active |
| #15 | OWNER AS CONTRACTOR. EXEMPT PER RCW18.27.090 | 4 permits | ✓ Active |
| #16 | RENEWAL BY ANDERSEN OF WA | 4 permits | ✓ Active |
| #17 | HARRIS PACIFIC NORTHWEST | 4 permits | ✓ Active |
| #18 | CASCADIA ENERGY SOLUTIONS LLC | 4 permits | ✓ Active |
| #19 | Innovations For Quality Living | 4 permits | ✓ Active |
| #20 | Brian Niemi | 3 permits | ✓ Active |
PermitGrab indexes every hvac permit in Bellingham, WA the day it's issued — homeowner names, addresses, and contractor info. Used by competing contractors, suppliers, and property owners researching who's reputable.
See Bellingham, WA permitsIf you're a Bellingham, WA homeowner researching a hvac contractor, the question is which one will actually do the work — not who paid the most for ad placement. Building permits are the most honest signal you can get:
Above is the raw ranking. If you want to see what each contractor is actually working on right now — addresses, permit types, when they pulled the permit — every hvac permit is on the Bellingham, WA permit feed.
If you run a hvac business in Bellingham, WA and don't see your company name here, it usually means one of two things:
Both are fixable. PermitGrab is built for the contractors on this list — daily permit alerts in your zip codes, owner phones where available, and a flat $149/mo with no annual contract. See how PermitGrab works for hvac contractors in Bellingham, WA →