62 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marion: Schaal Plumbing, Heating and Cooling, CR Score 65/100; 4.9★ from 1,640 Google reviews; open 24/7.
Best for emergencies (open 24/7): Master Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 62.
Most-reviewed: Colony Plumbing, Heating & Air Conditioning, 2,711 Google reviews at 4.9★, the most of 62 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Marion HVAC contractors are ranked here by CR Score, from ten published factors. 15 are open 24/7, 22 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.6★ across 62 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Schaal Plumbing, Heating and Cooling | 65 | 4.9★ (1,640) | Cedar Rapids, 9 mi away | 24/7 | Overall |
| 2 | Master Plumbing, Heating & Cooling | 65 | 4.7★ (1,084) | Cedar Rapids, 3 mi away | 24/7 | Emergencies |
| 3 | Benjamin Franklin Plumbing of Eastern Iowa | 64 | 4.7★ (1,766) | Cedar Rapids, 9 mi away | 24/7 | — |
| 4 | Spartan Heating, Cooling and Fireplaces | 62 | 4.9★ (142) | Cedar Rapids, 5 mi away | 24/7 | — |
| 5 | Fosters Kraus Plumbing, Heating and Air | 62 | 4.5★ (180) | Marion | 24/7 | — |
| 6 | Colony Plumbing, Heating & Air Conditioning | 61 | 4.9★ (2,711) | Cedar Rapids, 7 mi away | — | Most reviews |
| 7 | Dalton Plumbing, Heating, Cooling, Electric and Fireplaces, Inc. | 61 | 4.7★ (883) | Cedar Rapids, 4 mi away | Sat · Evenings | — |
| 8 | Comfort Pro | 61 | 4.9★ (169) | Cedar Rapids, 11 mi away | 24/7 | — |
| 9 | Novak Heating, Air & Duct Cleaning | 61 | 4.9★ (1,534) | Hiawatha, 5 mi away | — | — |
| 10 | Chronister Enterprises LLC | 60 | 4.5★ (47) | Marion | 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: 4.9★ from 1,640 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 1,084 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 1,766 Google reviews, listed on Google as “Heating contractor”.
Based in Cedar Rapids, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #5 because of its Google rating and trade focus: 4.5★ from 180 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 7 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 2,711 Google reviews, the most in Marion.
Based in Cedar Rapids, 4 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 883 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 169 Google reviews, listed on Google as “HVAC contractor”.
Based in Hiawatha, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,534 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #10 because of its Google rating and trade focus: 4.5★ from 47 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #11 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 8 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #15 because of its Google rating and trade focus: 4.6★ from 265 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based in Anamosa, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.0★ from 261 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 5 mi away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #19 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Cedar Rapids, 5 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 162 Google reviews, listed on Google as “HVAC contractor”.
Based in Marion
Ranked #22 because of its Google rating and trade focus: 4.2★ from 83 Google reviews, listed on Google as “Plumber”.
Based in Cedar Rapids, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.1★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based in Cedar Rapids, 8 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “HVAC contractor”.
Based in Vinton, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 572 Google reviews, listed on Google as “Heating contractor”.
#1 to #25 are shown in full above. Here are #28 to #45, in CR Score order; each links to its profile. We publish the top 45 of 62 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 28 | The Prull Group, Inc. | 55 | 4.8★ (20) | 8 mi |
| 33 | Affordable heating and air conditioning | 54 | 3.7★ (3) | 11 mi |
| 37 | Aire Serv of Iowa City | 54 | 5.0★ (12) | 23 mi |
| 38 | Trane Commercial Sales Office | 53 | 3.7★ (3) | 5 mi |
| 39 | Global Heating & Air Conditioning | 52 | 5.0★ (3) | 8 mi |
| 45 | Prybil Heating & Air Inc | 51 | 4.3★ (23) | 20 mi |
National price ranges in USD, not adjusted for Marion. 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 62 Marion 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 Marion 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 |