135 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Isanti: Air Mechanical, Inc., CR Score 64/100; 4.8★ from 3,496 Google reviews; open 24/7.
Best for emergencies (open 24/7): Northern One Hour Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 135.
Most-reviewed: Northern One Hour Heating & Air Conditioning, 4,019 Google reviews at 4.9★, the most of 135 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Isanti HVAC contractors are ranked here by CR Score, from ten published factors. 41 are open 24/7, 76 open Saturdays and 66 open Sundays, based on posted hours. The median Google rating is 4.9★ across 135 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Mechanical, Inc. | 64 | 4.8★ (3,496) | Ham Lake, 15 mi away | 24/7 | Overall |
| 2 | Northern One Hour Heating & Air Conditioning | 63 | 4.9★ (4,019) | Ramsey, 21 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Central Heating & Cooling L.L.C | 62 | 4.8★ (84) | Isanti | 24/7 | — |
| 4 | Aire Serv of East Central Minnesota | 61 | 4.7★ (725) | North Branch, 13 mi away | 24/7 | — |
| 5 | Liberty Comfort Systems | 60 | 5.0★ (1,480) | Anoka, 22 mi away | Sat · Sun · Evenings | — |
| 6 | Neighborhood Plumbing, Heating, Air Conditioning and Electrical | 60 | 4.7★ (1,086) | Forest Lake, 19 mi away | 24/7 | — |
| 7 | Top-Tier Heating & Air Conditioning | 60 | 4.9★ (269) | Ham Lake, 16 mi away | 24/7 | — |
| 8 | Home Comfort Heating & Air | 60 | 5.0★ (296) | Elk River, 19 mi away | 24/7 | — |
| 9 | O'Boys Plumbing, Furnace & AC Repair | 60 | 5.0★ (620) | Blaine, 25 mi away | 24/7 | — |
| 10 | Twin City Heating Air and Electric Blaine | 59 | 4.9★ (604) | Blaine, 24 mi away | 24/7 | — |
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: 4.8★ from 3,496 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Ramsey, 21 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 4,019 Google reviews, the most in Isanti.
Based in Isanti
Ranked #3 because of its Google rating and trade focus: 4.8★ from 84 Google reviews, listed on Google as “HVAC contractor”.
Based in North Branch, 13 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 725 Google reviews, listed on Google as “HVAC contractor”.
Based in Anoka, 22 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 1,480 Google reviews, listed on Google as “HVAC contractor”.
Based in Forest Lake, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,086 Google reviews, listed on Google as “HVAC contractor”.
Based in Ham Lake, 16 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk River, 19 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 296 Google reviews, listed on Google as “HVAC contractor”.
Based in Blaine, 25 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 620 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Blaine, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 604 Google reviews, listed on Google as “HVAC contractor”.
Based in Saint Francis, 6 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based in Blaine, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 374 Google reviews, listed on Google as “HVAC contractor”.
Based in East Bethel, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 86 Google reviews, listed on Google as “HVAC contractor”.
Based in Cambridge, 6 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based in Ramsey, 20 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 136 Google reviews, listed on Google as “HVAC contractor”.
Based in Blaine, 23 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 1,099 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk River, 21 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 700 Google reviews, listed on Google as “HVAC contractor”.
Based in Blaine, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 420 Google reviews, listed on Google as “HVAC contractor”.
Based in Coon Rapids, 22 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 195 Google reviews, listed on Google as “HVAC contractor”.
Based in Anoka, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 194 Google reviews, listed on Google as “HVAC contractor”.
Based in Blaine, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in Cambridge, 15 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “HVAC contractor”.
Based in Coon Rapids, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 275 Google reviews, listed on Google as “HVAC contractor”.
Based in Elk River, 16 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Heating contractor”.
Based in Rogers, 25 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 886 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 135 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 |
|---|---|---|
| 7 Metro Heating & Air | 5.0★ (6) | 17 mi |
| Air Max | 5.0★ (1) | 20 mi |
| Anderson Burner Service and Son Inc. | 5.0★ (2) | In Isanti |
| Bethel Plumbing | 5.0★ (174) | In Isanti |
| Ductz of NE Metro St. Paul | 2.7★ (3) | 25 mi |
| Eco Comfort Insulation | 5.0★ (4) | 21 mi |
| Furnace PRO MN | 4.7★ (12) | 21 mi |
| Global Mechanical LLC | 4.9★ (32) | 22 mi |
| Innovative Plumbing & Heating Inc | 5.0★ (1) | 22 mi |
| KC Mechanical, LLC | 5.0★ (1) | 19 mi |
| Lakeview Solutions Heating & AC | 4.8★ (6) | 21 mi |
| Lone Wolf Quality H.V.A.C LLC | 6 mi | |
| Majestic Custom Electric | 4.5★ (66) | 18 mi |
| Max Industries Inc. | 5.0★ (2) | 2 mi |
| Mechanical Air Systems, Incorporated | 5.0★ (2) | 25 mi |
| NorthWind Heating & Air | 15 mi | |
| NTI Heating & Cooling | 5.0★ (1) | 10 mi |
| Timeline Mechanical | 5.0★ (6) | 19 mi |
| Vagle Heating and Cooling Inc. | 5.0★ (1) | 19 mi |
| Wolf River Electric | 5.0★ (916) | In Isanti |
National price ranges in USD, not adjusted for Isanti. 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 Minnesota, 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 135 Isanti 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 Isanti 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 |