11 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Walla Walla: Total Comfort Solutions, LLC, CR Score 96/100; 4.9★ from 1,351 Google reviews; open 24/7.
Best for emergencies (open 24/7): Powers Refrigeration, posts 24/7 hours; ranked #2 of 11.
Most-reviewed: Young's Heating, Cooling and Electric, 709 Google reviews at 4.9★, the most of 11 ranked after Total Comfort Solutions, LLC; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Walla Walla HVAC contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Total Comfort Solutions, LLC | 96 | 4.9★ (1,351) | Walla Walla | 24/7 | Overall |
| 2 | Powers Refrigeration | 87 | 5.0★ (17) | Walla Walla | 24/7 | Emergencies |
| 3 | Blaze 2 Blizzard Heating and Cooling | 86 | 4.7★ (13) | Walla Walla | 24/7 | — |
| 4 | American Air Heating & Cooling, LLC | 85 | 5.0★ (480) | Walla Walla | — | — |
| 5 | Young's Heating, Cooling and Electric | 85 | 4.9★ (709) | Walla Walla | — | Most reviews |
| 6 | College Place Heating & Air Conditioning | 83 | 4.9★ (345) | College Place, 2 mi away | — | — |
| 7 | Pro Heating & Air Conditioning | 81 | 5.0★ (4) | Walla Walla | Sat · Sun | — |
| 8 | Mill Creek Mechanical | 79 | 4.8★ (36) | Walla Walla | — | — |
| 9 | Grassi Refrigeration | 76 | 4.1★ (63) | Walla Walla | — | — |
| 10 | Chavez Mechanical LLC | 75 | 4.8★ (26) | Finley, 25 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,351 Google reviews, the most Google reviews on this list (1,351).
Based in Walla Walla
Ranked #2 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
Based in Walla Walla
Ranked #3 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based in Walla Walla
Ranked #4 because of its Google rating and trade focus: 5.0★ from 480 Google reviews, listed on Google as “HVAC contractor”.
Based in Walla Walla
Ranked #5 because of its Google rating and trade focus: 4.9★ from 709 Google reviews, listed on Google as “HVAC contractor”.
Based in College Place, 2 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 345 Google reviews, listed on Google as “HVAC contractor”.
Based in Walla Walla
Ranked #7 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based in Walla Walla
Ranked #8 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “HVAC contractor”.
Based in Walla Walla
Ranked #9 because of its Google rating and trade focus: 4.1★ from 63 Google reviews, listed on Google as “HVAC contractor”.
Based in Finley, 25 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based in Walla Walla
Ranked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
7 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Fuse Heating , Cooling & Drain Cleaning | 1.0★ (1) | In Walla Walla |
| Fuse Heating & AC | 3.0★ (2) | In Walla Walla |
| No Limit Handyman | 4.8★ (16) | In Walla Walla |
| Sears Heating and Air Conditioning | 3.0★ (2) | In Walla Walla |
| Sure Temp Mechanical, LLC | 5.0★ (2) | In Walla Walla |
| Walla Walla Refrigeration | 5.0★ (2) | In Walla Walla |
| Walla Walla Werks | 5.0★ (17) | In Walla Walla |
National price ranges in USD, not adjusted for Walla Walla. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
Washington's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.
We scored 11 Walla Walla HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Walla Walla data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |