406 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Cornelius: EcoGreen Home Services, CR Score 65/100; 4.8★ from 900 Google reviews; open 24/7.
Best for emergencies (open 24/7): Dilling Heating, Cooling, Plumbing & Electrical, posts 24/7 hours; ranked #2 of 406.
Most-reviewed: One Hour Heating & Air Conditioning of Charlotte, 5,915 Google reviews at 4.8★, the most of 406 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
406 Cornelius HVAC contractors are ranked here by CR Score, from ten published factors. 101 are open 24/7, 250 open Saturdays and 177 open Sundays, based on posted hours. The median Google rating is 4.9★ across 406 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoGreen Home Services | 65 | 4.8★ (900) | Cornelius | 24/7 | Overall |
| 2 | Dilling Heating, Cooling, Plumbing & Electrical | 64 | 4.9★ (1,189) | Mooresville, 8 mi away | 24/7 | Emergencies |
| 3 | Horne HVAC Charlotte | 64 | 4.9★ (3,048) | Charlotte, 15 mi away | 24/7 | — |
| 4 | Bradham Comfort Services, Inc. | 63 | 4.9★ (2,632) | Charlotte, 14 mi away | 24/7 | — |
| 5 | Integrity Heating & Cooling | 63 | 4.9★ (931) | Charlotte, 8 mi away | 24/7 | — |
| 6 | NuBlue Electric, Plumbing and Air | 63 | 4.9★ (2,352) | Cornelius | Sat | — |
| 7 | Chad Love Services | 63 | 4.9★ (4,099) | Concord, 18 mi away | 24/7 | — |
| 8 | Peace Heating And Air Conditioning | 63 | 4.9★ (653) | Mooresville, 8 mi away | 24/7 | — |
| 9 | Dilling Heating, Cooling, Plumbing & Electrical | 63 | 4.9★ (5,474) | Charlotte, 21 mi away | 24/7 | — |
| 10 | Allied Aire Inc Heating & Air Conditioning | 63 | 4.9★ (391) | Cornelius | Sat · Sun · Evenings | — |
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 900 Google reviews, listed on Google as “HVAC contractor”.
Based in Mooresville, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,189 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 15 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,048 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 14 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,632 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 931 Google reviews, listed on Google as “HVAC contractor”.
Based in Cornelius
Ranked #6 because of its Google rating and trade focus: 4.9★ from 2,352 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 18 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 4,099 Google reviews, listed on Google as “Heating contractor”.
Based in Mooresville, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 653 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 5,474 Google reviews, listed on Google as “HVAC contractor”.
Based in Cornelius
Ranked #10 because of its Google rating and trade focus: 4.9★ from 391 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 4,070 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,473 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 2,873 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Norman of Catawba, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 605 Google reviews, listed on Google as “HVAC contractor”.
Based in Cornelius
Ranked #15 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 14 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 496 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 2,208 Google reviews, listed on Google as “HVAC contractor”.
Based in Gastonia, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 3,506 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 24 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 5,915 Google reviews, the most in Cornelius.
Based in Gastonia, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 938 Google reviews, listed on Google as “HVAC contractor”.
Based in Mooresville, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 490 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 16 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 736 Google reviews, listed on Google as “HVAC contractor”.
Based in Salisbury, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,851 Google reviews, listed on Google as “HVAC contractor”.
Based in Concord, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 543 Google reviews, listed on Google as “HVAC contractor”.
Based in Newton, 25 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 1,850 Google reviews, listed on Google as “Air conditioning 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 406 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 |
|---|---|---|
| AMR Heating & Cooling, Inc. | 1.0★ (2) | 16 mi |
| Carolina Comfort Heating & AC | In Cornelius | |
| CBN Mechanical | 5.0★ (61) | 14 mi |
| Cool Comfort Heating & Air | 4.1★ (9) | 1 mi |
| EMCOR Services Aircond | 5.0★ (2) | 11 mi |
| G Squared Mechanical LLC | 5.0★ (2) | 14 mi |
| Gerald Griffin Heating and Cooling Services | 4.9★ (104) | 18 mi |
| Henson Heating & Cooling | 5.0★ (86) | 16 mi |
| HL Bowman Inc Plumbing Heating & AC | 4.8★ (878) | 25 mi |
| JMC heating & Coooling | 5.0★ (2) | 20 mi |
| LH Heating & Cooling | 5.0★ (2) | 20 mi |
| Patriot Heating and Air | 5.0★ (1) | In Cornelius |
| Prestige Heating & Air Llc | 1.0★ (2) | 18 mi |
| Priority Comfort | 4.9★ (39) | 8 mi |
| Progressive Service Company | 4.6★ (311) | 18 mi |
| Rust Mechanical, LLC | 5.0★ (2) | 20 mi |
| Service Warriors llc | 5.0★ (34) | 12 mi |
| South End Plumbing Heating & Air | 4.6★ (39) | 7 mi |
| STR Mechanical LLC | 3.5★ (2) | 10 mi |
| Tadlock Construction Service’s LLC | 5.0★ (2) | 18 mi |
National price ranges in USD, not adjusted for Cornelius. 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 North Carolina, North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors licenses Heating and air conditioning contractor licenses.
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
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 406 Cornelius 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 Cornelius 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 |