12 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Red Oak: Dovel Refrigeration & Air Conditioning, CR Score 63/100; 4.7★ from 106 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Right Now Heating & Air, posts 24/7 hours; ranked #10 of 12.
Most-reviewed: Lynn Furnace Heating and Cooling, 48 Google reviews at 4.7★, the most of 12 ranked after Dovel Refrigeration & Air Conditioning; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Red Oak HVAC contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.7★ across 12 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dovel Refrigeration & Air Conditioning | 63 | 4.7★ (106) | Red Oak | Sat | Overall |
| 2 | Allensworth Heating & Cooling | 58 | 4.6★ (32) | Red Oak | — | — |
| 3 | Rogers Plumbing Heating & AC | 57 | 3.5★ (27) | Red Oak | — | — |
| 4 | Clarinda Heating & Air Conditioning | 55 | 4.4★ (25) | Clarinda, 21 mi away | Sat · Sun · Evenings | — |
| 5 | Lynn Furnace Heating and Cooling | 54 | 4.7★ (48) | Shenandoah, 19 mi away | — | Most reviews |
| 6 | John Gowing Plumbing & Heating | 54 | 4.7★ (18) | Shenandoah, 19 mi away | — | — |
| 7 | Jones Mechanical, Inc | 53 | 4.9★ (34) | Clarinda, 22 mi away | — | — |
| 8 | Wallin Plumbing & Heating | 52 | 4.3★ (32) | Shenandoah, 18 mi away | — | — |
| 9 | Wallin Plumbing & Heating | 51 | 4.5★ (22) | Clarinda, 21 mi away | — | — |
| 10 | Right Now Heating & Air | 51 | 5.0★ (4) | Clarinda, 21 mi away | 24/7 | Emergencies |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.7★ from 106 Google reviews, the most in Red Oak.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Red Oak
Ranked #2 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Red Oak
Ranked #3 because of its Google rating and trade focus: 3.5★ from 27 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Clarinda, 21 mi away
Ranked #4 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shenandoah, 19 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shenandoah, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Clarinda, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shenandoah, 18 mi away
Ranked #8 because of its Google rating and trade focus: 4.3★ from 32 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarinda, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 22 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarinda, 21 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Red Oak
Ranked #11 because of its Google rating and trade focus: 3.5★ from 18 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarinda, 22 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
2 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 |
|---|---|---|
| Clarinda Heating & Cooling | 5.0★ (1) | 22 mi |
| Reed's Heating and Cooling | 1.0★ (1) | 21 mi |
National price ranges in USD, not adjusted for Red Oak. 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 Iowa, Iowa Plumbing and Mechanical Systems Board (Department of Inspections, Appeals and Licensing) licenses Mechanical (HVAC, refrigeration, hydronic) 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
In Iowa, 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 12 Red Oak 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 Red Oak 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 |