14 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bayside: California Heating, CR Score 85/100; 4.6★ from 51 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Mapleservice Plumbing & Heating, posts 24/7 hours; ranked #3 of 14.
Most-reviewed: Evans Mechanical, 940 Google reviews at 4.9★, the most of 14 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Bayside HVAC contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 2 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | California Heating | 85 | 4.6★ (51) | Arcata, 5 mi away | Sat · Sun | Overall |
| 2 | Evans Mechanical | 84 | 4.9★ (940) | Eureka, 8 mi away | — | Most reviews |
| 3 | Mapleservice Plumbing & Heating | 82 | 4.5★ (24) | Eureka, 7 mi away | 24/7 | Emergencies |
| 4 | Greenwired - Solar and HVAC Company | 79 | 4.9★ (78) | Arcata, 4 mi away | — | — |
| 5 | Humboldt Mechanical Solutions | 79 | 5.0★ (49) | Arcata, 5 mi away | — | — |
| 6 | Mac's Refrigeration Services | 79 | 4.3★ (7) | Eureka, 7 mi away | — | — |
| 7 | Bob's Heating and Air Solutions, Inc. | 75 | 5.0★ (23) | Arcata, 10 mi away | — | — |
| 8 | Excel Heating and Cooling | 75 | 5.0★ (12) | McKinleyville, 5 mi away | — | — |
| 9 | Scurfield Electric Heating & Solar | 74 | 4.7★ (60) | Arcata, 2 mi away | — | — |
| 10 | HAVEN-ELECTRIC INC | 74 | 5.0★ (5) | Arcata, 5 mi away | Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eureka, 8 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 940 Google reviews, the most Google reviews on this list (940).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eureka, 7 mi away
Ranked #3 because of its Google rating and availability: 4.5★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arcata, 4 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arcata, 5 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Eureka, 7 mi away
Ranked #6 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Arcata, 10 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in McKinleyville, 5 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arcata, 2 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 60 Google reviews, listed on Google as “Electrical installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arcata, 5 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fortuna, 17 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fortuna, 21 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arcata, 2 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fortuna, 18 mi away
Ranked #14 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Sheet metal contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Bayside. 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 |
In California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
California'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 14 Bayside 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 Bayside 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 |