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Best HVAC Contractors in Owatonna, MN (2026)

34 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Owatonna: Tonna Mechanical, CR Score 92/100; 4.9★ from 185 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Streitz Heating & Cooling, posts 24/7 hours; ranked #2 of 34.

  3. 5

    Most-reviewed: Connors Plumbing, Heating and Air, 1,609 Google reviews at 4.9★, the most of 34 ranked; ranked #5.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

34 Owatonna HVAC contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 6 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.

Top 10 HVAC contractors in Owatonna at a glance

Top 10 HVAC contractors in Owatonna at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Tonna Mechanical924.9★ (185)Owatonna24/7Overall
2Streitz Heating & Cooling875.0★ (261)Northfield, 24 mi away24/7Emergencies
3Rivercity Refrigeration835.0★ (18)Faribault, 19 mi away24/7—
4Kelly Family HVAC825.0★ (28)Northfield, 25 mi away24/7—
5Connors Plumbing, Heating and Air824.9★ (1,609)Waseca, 14 mi away—Most reviews
6Better Air Inc.824.7★ (39)Northfield, 24 mi away24/7—
7All Seasons HVAC Sales and Services825.0★ (41)Faribault, 16 mi away——
8Central Air Heating & Cooling814.9★ (122)Owatonna——
9Owatonna Heating & Cooling804.2★ (61)Owatonna24/7—
10Luiken’s Mechanical Heating, Cooling, Plumbing, & Water794.9★ (362)Faribault, 15 mi away——

The 34 best HVAC contractors in Owatonna, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  1. Ranked #1 in Owatonna

    #1 Tonna Mechanical

    Based in Owatonna

    92/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 185 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 185 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    631 N Cedar Ave, Owatonna, MN 55060
    View profile for Tonna Mechanical(507) 288-1908

  3. #3 Rivercity Refrigeration

    Based in Faribault, 19 mi away

    83/100CR Score

    Ranked #3 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2724 158th St E, Faribault, MN 55021
    View profile for Rivercity Refrigeration(507) 838-5742

  4. #4 Kelly Family HVAC

    Based in Northfield, 25 mi away

    82/100CR Score

    Ranked #4 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 28 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10150 Dundas Blvd, Dundas, MN 55019
    View profile for Kelly Family HVAC(612) 368-9909

  6. #6 Better Air Inc.

    Based in Northfield, 24 mi away

    82/100CR Score

    Ranked #6 because of its Google rating and availability: 4.7★ from 39 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 39 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    607 Stafford Ln, Dundas, MN 55019
    View profile for Better Air Inc.(507) 663-1208

  9. #9 Owatonna Heating & Cooling

    Based in Owatonna

    80/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.2★ from 61 Google reviews, listed on Google as “HVAC contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.2★ from 61 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    408 N Cedar Ave, Owatonna, MN 55060
    View profile for Owatonna Heating & Cooling(507) 451-2051

  10. #10 Luiken’s Mechanical Heating, Cooling, Plumbing, & Water

    Based in Faribault, 15 mi away

    79/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 362 Google reviews, listed on Google as “HVAC contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 362 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    1001 Division St W, Faribault, MN 55021
    View profile for Luiken’s Mechanical Heating, Cooling, Plumbing, & Water(507) 332-7802

  11. #11 K&M Heating & Air Conditioning

    Based in Faribault, 17 mi away

    77/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “HVAC contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 190 Google reviews
    Hours
    Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    3105 Industrial Dr, Faribault, MN 55021
    View profile for K&M Heating & Air Conditioning(507) 334-4300

  13. #13 Presence Air

    Based in Owatonna

    77/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “HVAC contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    View profile for Presence Air(507) 456-9666

  15. #15 KSW Roofing & Heating

    Based in Owatonna

    76/100CR Score

    Ranked #15 because of its Google rating and trade focus: 3.3★ from 15 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.3★ from 15 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat closed · Sun 7 AM–8 PM
    Address
    2800 Park Dr, Owatonna, MN 55060
    View profile for KSW Roofing & Heating(507) 451-9710

  17. #17 Smith's Comfort Air

    Based in Albert Lea, 17 mi away

    76/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 8 Google reviews
    View profile for Smith's Comfort Air(507) 210-6314

  19. #19 Wencl Plumbing Inc

    Based in Owatonna

    75/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.0★ from 75 Google reviews, listed on Google as “Heating contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.0★ from 75 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    1082 SE 38th St, Owatonna, MN 55060
    View profile for Wencl Plumbing Inc(507) 451-0987

  20. #20 Davis Mechanical Systems

    Based in Owatonna

    74/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.3★ from 8 Google reviews, listed on Google as “Heating contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    321 N Cedar Ave, Owatonna, MN 55060
    View profile for Davis Mechanical Systems(507) 451-1430

  22. #22 Block Plumbing & Heating

    Based in Owatonna

    71/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.1★ from 75 Google reviews, listed on Google as “Plumber”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.1★ from 75 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    614 E Rice Lake Rd, Owatonna, MN 55060
    View profile for Block Plumbing & Heating(507) 451-9545

  24. #24 Z Air Control

    Based in Faribault, 15 mi away

    71/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    19452 Cannon City Blvd, Faribault, MN 55021
    View profile for Z Air Control(507) 210-7663

  25. #25 Britton Plumbing & Heating

    Based in Waseca, 16 mi away

    71/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.5★ from 32 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.5★ from 32 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    10740 340th Ave, Waseca, MN 56093
    View profile for Britton Plumbing & Heating(507) 835-3030

All 34 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.

HVAC contractors in Owatonna, ranks 26 to 34
RankBusinessCR ScoreGoogle ratingDistance
26Keith Pumper Plumbing & Heating704.4★ (62)24 mi
27Tatge Plumbing Heating & Well694.2★ (5)14 mi
28Faribo Plumbing & Heating694.5★ (68)16 mi
29Preferred Heating, Cooling, and Plumbing LLC.694.2★ (21)24 mi
30Carters Plumbing And Heating Inc685.0★ (3)15 mi
31Coyote Creek Heating and Cooling685.0★ (7)20 mi
32Bauernfeind Goedtel673.0★ (14)19 mi
33Daikin Applied Faribault673.4★ (67)16 mi
34Advanced Plumbing and Heating613.0★ (10)24 mi

Also serving Owatonna

8 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.

Unranked HVAC contractors serving Owatonna
BusinessGoogle ratingDistance
Bauer Plumbing & Heating5.0★ (1)18 mi
Bauer Plumbing & Heating16 mi
Carpenter Plumbing & Heating LLC5.0★ (1)17 mi
Crane Creek RefrigerationIn Owatonna
Gehring Plumbing & Heating4.0★ (2)14 mi
Haley Plumbing & Heating LLC5.0★ (1)20 mi
Jansen Plumbing & Heating14 mi
Lightly ServicesIn Owatonna

How much do HVAC contractors cost in Owatonna?

National price ranges in USD, not adjusted for Owatonna. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Owatonna?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

When to hire an HVAC contractor in Minnesota

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.

How we ranked Owatonna HVAC contractors

We scored 34 Owatonna HVAC contractors on 8 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. Unknown factors are left out of the score, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Owatonna data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Owatonna: frequently asked questions

Who is the best HVAC contractor in Owatonna?

By CR Score, the highest-ranked HVAC contractor in Owatonna, MN is Tonna Mechanical with a CR Score of 92/100. It has 4.9★ from 185 Google reviews. It is open 24/7. Streitz Heating & Cooling (#2) and Rivercity Refrigeration (#3) follow. We ranked 34 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Owatonna?

ContractorsRanked ranks 34 HVAC contractors serving Owatonna, MN. 10 of them are based in Owatonna; the rest serve it from nearby towns. Another 8 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Owatonna are open 24/7?

6 ranked HVAC contractors in Owatonna post 24/7 hours. The highest-ranked are Tonna Mechanical (#1), Streitz Heating & Cooling (#2) and Rivercity Refrigeration (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Owatonna work on weekends?

6 of 34 ranked HVAC contractors post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Tonna Mechanical (#1), Streitz Heating & Cooling (#2) and Rivercity Refrigeration (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Owatonna?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Owatonna. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Owatonna HVAC contractors have?

The median Google rating among 34 rated HVAC contractors in Owatonna is 4.8★, with a median of 30 reviews. Connors Plumbing, Heating and Air has the most, 1,609 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Owatonna?

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.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Owatonna

  1. October 2026: CR Scores recalculated for 34 hvac contractors serving Owatonna.

More HVAC contractors and Owatonna pages

Other trades in Owatonna