207 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nampa: Greens Heating & Air Conditioning, CR Score 65/100; 4.9★ from 1,216 Google reviews; open 24/7.
Best for emergencies (open 24/7): Diamond Heating, Cooling, Plumbing & Electric, posts 24/7 hours; ranked #2 of 207.
Most-reviewed: Right Now Heating and Air Conditioning, 8,584 Google reviews at 4.8★, the most of 207 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
207 Nampa HVAC contractors are ranked here by CR Score, from ten published factors. 89 are open 24/7, 134 open Saturdays and 113 open Sundays, based on posted hours. The median Google rating is 4.9★ across 207 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Greens Heating & Air Conditioning | 65 | 4.9★ (1,216) | Nampa | 24/7 | Overall |
| 2 | Diamond Heating, Cooling, Plumbing & Electric | 65 | 4.9★ (5,835) | Meridian, 11 mi away | 24/7 | Emergencies |
| 3 | A-1 Heating, Air Conditioning & Electric | 65 | 4.9★ (3,503) | Meridian, 9 mi away | 24/7 | — |
| 4 | J&D Heating, Cooling, & Water | 65 | 4.8★ (993) | Nampa | 24/7 | — |
| 5 | Owyhee Heating and Air Conditioning | 65 | 4.8★ (991) | Nampa | 24/7 | — |
| 6 | Right Now Heating and Air Conditioning & Plumbing | 64 | 5.0★ (1,803) | Meridian, 11 mi away | 24/7 | — |
| 7 | Fix It Frankie | 64 | 4.9★ (371) | Nampa | 24/7 | — |
| 8 | Ultimate Heating & Air, Inc | 64 | 4.9★ (2,080) | Meridian, 11 mi away | 24/7 | — |
| 9 | Preece Heating & Air Conditioning | 63 | 5.0★ (184) | Nampa | 24/7 | — |
| 10 | Right Now Heating and Air Conditioning | 63 | 4.8★ (8,584) | Boise, 17 mi away | 24/7 | Most reviews |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,216 Google reviews, listed on Google as “Furnace repair service”.
Based in Meridian, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 5,835 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,503 Google reviews, listed on Google as “HVAC contractor”.
Based in Nampa
Ranked #4 because of its Google rating and trade focus: 4.8★ from 993 Google reviews, listed on Google as “Heating contractor”.
Based in Nampa
Ranked #5 because of its Google rating and trade focus: 4.8★ from 991 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 11 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 1,803 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Nampa
Ranked #7 because of its Google rating and trade focus: 4.9★ from 371 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 2,080 Google reviews, listed on Google as “HVAC contractor”.
Based in Nampa
Ranked #9 because of its Google rating and trade focus: 5.0★ from 184 Google reviews, listed on Google as “HVAC contractor”.
Based in Boise, 17 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 8,584 Google reviews, the most in Nampa.
Based in Meridian, 12 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,271 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,297 Google reviews, listed on Google as “Heating contractor”.
Based in Boise, 17 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 3,841 Google reviews, listed on Google as “HVAC contractor”.
Based in Garden City, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 5,442 Google reviews, listed on Google as “HVAC contractor”.
Based in Nampa
Ranked #15 because of its Google rating and review volume: 4.9★ from 2,354 Google reviews.
Based in Nampa
Ranked #16 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based in Nampa
Ranked #17 because of its Google rating and review volume: 5.0★ from 1,551 Google reviews.
Based in Boise, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 2,336 Google reviews, listed on Google as “HVAC contractor”.
Based in Boise, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 1,886 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Boise, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 1,363 Google reviews, listed on Google as “HVAC contractor”.
Based in Boise, 15 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,129 Google reviews, listed on Google as “HVAC contractor”.
Based in Nampa
Ranked #22 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 302 Google reviews, listed on Google as “HVAC contractor”.
Based in Boise, 14 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 623 Google reviews, listed on Google as “HVAC contractor”.
Based in Meridian, 13 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 500 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 207 ranked HVAC contractors here; the rest are on their profiles.
20 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 |
|---|---|---|
| Accurate Airflow | 5.0★ (2) | 11 mi |
| Add comfort heating and air LLC | 5.0★ (2) | In Nampa |
| Air Comfort Zone, LLC | 5.0★ (2) | In Nampa |
| AIR TO AIR HEATING & COOLING LLC | 5.0★ (2) | 13 mi |
| Airdoc Heating and Air Conditioning Inc. | 5.0★ (2) | In Nampa |
| Anaconda Heating and Air | 5.0★ (2) | 8 mi |
| Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc | 5.0★ (320) | 7 mi |
| Canyon County Refrigeration | 5.0★ (2) | In Nampa |
| Carter Comfort Systems | 5.0★ (2) | 16 mi |
| Drake Mechanical | HVAC & Plumbing Services | 4.5★ (402) | 16 mi |
| Gem Heating & Air Conditioning | 4.9★ (73) | 13 mi |
| Honey Badger HVAC | 5.0★ (2) | 9 mi |
| Idaho Restoration Company | In Nampa | |
| Impact Heating and Air | 5.0★ (2) | 4 mi |
| McMillan Mechanical LLC | 3.5★ (2) | 10 mi |
| Mini Splits of Idaho | In Nampa | |
| Quality Pro Services Boise | 5.0★ (2) | 13 mi |
| Select Air Heating and Cooling | 5.0★ (1) | In Nampa |
| Ted Dumont HVAC Inc | 4.7★ (209) | 16 mi |
| The Heating & Cooling Company | 5.0★ (2) | In Nampa |
National price ranges in USD, not adjusted for Nampa. 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 Idaho, Idaho Division of Occupational and Professional Licenses licenses Heating, ventilation, air conditioning and refrigeration work.
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
In Idaho, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 207 Nampa HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Nampa data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |