114 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Altoona: Service Legends Heating & Cooling, Plumbing & Electrical, CR Score 66/100; 4.9★ from 5,373 Google reviews; open 24/7.
Best for emergencies (open 24/7): Schaal Plumbing, Heating and Cooling, posts 24/7 hours; ranked #2 of 114.
Most-reviewed: Golden Rule Plumbing, Heating, Cooling & Electrical, 9,136 Google reviews at 4.9★, the most of 114 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
114 Altoona HVAC contractors are ranked here by CR Score, from ten published factors. 50 are open 24/7, 65 open Saturdays and 64 open Sundays, based on posted hours. The median Google rating is 4.8★ across 114 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Legends Heating & Cooling, Plumbing & Electrical | 66 | 4.9★ (5,373) | Des Moines, 7 mi away | 24/7 | Overall |
| 2 | Schaal Plumbing, Heating and Cooling | 65 | 4.9★ (8,128) | Johnston, 12 mi away | 24/7 | Emergencies |
| 3 | Bell Brothers Heating, Cooling & Plumbing | 65 | 4.9★ (3,734) | Des Moines, 8 mi away | 24/7 | — |
| 4 | Des Moines Comfort | 64 | 5.0★ (1,014) | Des Moines, 6 mi away | 24/7 | — |
| 5 | Holt Plumbing & Heating, Inc. | 64 | 4.8★ (3,343) | Des Moines, 10 mi away | 24/7 | — |
| 6 | True Comfort Heating, Cooling and Plumbing | 64 | 5.0★ (983) | Des Moines, 8 mi away | 24/7 | — |
| 7 | Kohles & Bach Heating & Cooling | 64 | 4.9★ (2,360) | Johnston, 11 mi away | 24/7 | — |
| 8 | Obsidian Heating and Cooling | 63 | 5.0★ (566) | Des Moines, 7 mi away | 24/7 | — |
| 9 | Greens Appliance, Heating & Cooling | 63 | 4.9★ (3,935) | Grimes, 16 mi away | 24/7 | — |
| 10 | Midwest Comfort Heating & Cooling | 63 | 4.9★ (830) | Des Moines, 8 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 in Altoona
Based in Des Moines, 7 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 5,373 Google reviews, listed on Google as “HVAC contractor”.
Based in Johnston, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 8,128 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 3,734 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 6 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 1,014 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 3,343 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 8 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 983 Google reviews, listed on Google as “HVAC contractor”.
Based in Johnston, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,360 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 566 Google reviews, listed on Google as “HVAC contractor”.
Based in Grimes, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 3,935 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 830 Google reviews, listed on Google as “HVAC contractor”.
Based in Urbandale, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,802 Google reviews, listed on Google as “HVAC contractor”.
Based in Grimes, 17 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 9,136 Google reviews, the most in Altoona.
Based in Ankeny, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 670 Google reviews, listed on Google as “HVAC contractor”.
Based in West Des Moines, 15 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,545 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 4 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 308 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 12 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 668 Google reviews, listed on Google as “HVAC contractor”.
Based in Altoona
Ranked #17 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based in Altoona
Ranked #18 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 7 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “HVAC contractor”.
Based in Ankeny, 8 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 206 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 7 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Moines, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 447 Google reviews, listed on Google as “HVAC contractor”.
Based in Pleasant Hill, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Ankeny, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 229 Google reviews, listed on Google as “HVAC contractor”.
Based in Grimes, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 356 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #31 to #31, in CR Score order; each links to its profile. We publish the top 31 of 114 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 31 | Iowa All Pro Heating & Cooling | 58 | 4.9★ (190) | 7 mi |
National price ranges in USD, not adjusted for Altoona. 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 114 Altoona 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 Altoona 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 |