Skip to content
ContractorsRanked

Best HVAC Contractors in Saint Peter, MN (2026)

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

The short answer

  1. 1

    Best overall in Saint Peter: Countryside Refrigeration & Heating, LLC., CR Score 93/100; 4.9★ from 242 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Davis Comfort Systems, Inc., posts 24/7 hours; ranked #2 of 22.

  3. 2

    Most-reviewed: Davis Comfort Systems, Inc., 207 Google reviews at 4.8★, the most of 22 ranked after Countryside Refrigeration & Heating, LLC.; ranked #2.

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

22 Saint Peter HVAC contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 9 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 22 rated businesses.

Most of this list also appears on the HVAC contractors in Mankato ranking. See HVAC contractors in Mankato

Top 10 HVAC contractors in Saint Peter at a glance

Top 10 HVAC contractors in Saint Peter at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Countryside Refrigeration & Heating, LLC.934.9★ (242)North Mankato, 12 mi away24/7Overall
2Davis Comfort Systems, Inc.924.8★ (207)Mankato, 13 mi away24/7Emergencies, Most reviews
3L & L Mechanical894.6★ (131)Mankato, 13 mi away24/7—
4Ahrens Heating and Air Conditioning864.7★ (88)New Ulm, 24 mi away24/7—
5Leonard Heating and Air Conditioning LLC855.0★ (3)Saint Peter24/7—
6Nilson Heating & Air Conditioning834.7★ (34)New Ulm, 25 mi away24/7—
7Kasota AC Repair Pros825.0★ (3)Saint PeterSat · Sun—
8Dual Air Inc.815.0★ (30)New Prague, 23 mi away——
9PRIDE Heating, Cooling & Refrigeration, LLC805.0★ (3)Saint Peter——
10Ryan Plumbing & Heating and Ryan Electric794.6★ (37)Saint Peter——

The 22 best HVAC contractors in Saint Peter, ranked

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

  1. Ranked #1 in Saint Peter

    #1 Countryside Refrigeration & Heating, LLC.

    Based in North Mankato, 12 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 242 Google reviews, the most Google reviews on this list (242).

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

    • 4.9★ from 242 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1425 Lookout Dr, North Mankato, MN 56003
    View profile for Countryside Refrigeration & Heating, LLC.(507) 387-2069

  3. #3 L & L Mechanical

    Based in Mankato, 13 mi away

    89/100CR Score

    Ranked #3 because of its Google rating and availability: 4.6★ from 131 Google reviews, open 24/7.

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

    • 4.6★ from 131 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1060 S Victory Dr, Mankato, MN 56001
    View profile for L & L Mechanical(507) 345-5545

  7. #7 Kasota AC Repair Pros

    Based in Saint Peter

    82/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–7 PM · Sun 8 AM–6 PM
    Address
    161 E Cherry St, Kasota, MN 56050
    View profile for Kasota AC Repair Pros(507) 361-8215

  8. #8 Dual Air Inc.

    Based in New Prague, 23 mi away

    81/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 30 Google reviews
    Address
    27730 Naylor Ave, New Prague, MN 56071
    View profile for Dual Air Inc.(952) 292-1816

  11. #11 NexGen Home Services

    Based in Lakeville, 20 mi away

    78/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 85 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    View profile for NexGen Home Services(952) 592-6253

  13. #13 Elite HVAC Mechanical

    Based in Belle Plaine, 24 mi away

    77/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Sat 8 AM–4 PM · Sun closed
    Address
    22275 Goshen Blvd, Belle Plaine, MN 56011
    View profile for Elite HVAC Mechanical(507) 813-1539

  15. #15 Comfort Systems Inc

    Based in Saint Peter

    76/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.3★ from 11 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    309 S Minnesota Ave, St Peter, MN 56082
    View profile for Comfort Systems Inc(507) 934-4750

  16. #16 Lange's Plumbing & Heating

    Based in Belle Plaine, 23 mi away

    73/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.3★ from 71 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.3★ from 71 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    808 E Main St, Belle Plaine, MN 56011
    View profile for Lange's Plumbing & Heating(952) 873-2730

  18. #18 Haynes Plumbing & Heating

    Based in New Ulm, 24 mi away

    71/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    710 S Valley St, New Ulm, MN 56073
    View profile for Haynes Plumbing & Heating(507) 354-3947

  20. #20 Wassman Plumbing & Heating Llc

    Based in Mankato, 13 mi away

    69/100CR Score

    Ranked #20 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Plumber”.

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

    • 2.3★ from 3 Google reviews
    Address
    212 Oak Marsh Dr, Skyline, MN 56001
    View profile for Wassman Plumbing & Heating Llc

  21. #21 Connelly Plumbing & Heating

    Based in New Prague, 24 mi away

    69/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.0★ from 31 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.0★ from 31 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    302 2nd Ave SW, New Prague, MN 56071
    View profile for Connelly Plumbing & Heating(952) 758-7098

How much do HVAC contractors cost in Saint Peter?

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

How much do HVAC contractors cost in Saint Peter?
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 Saint Peter HVAC contractors

We scored 22 Saint Peter 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 Saint Peter 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 Saint Peter: frequently asked questions

Who is the best HVAC contractor in Saint Peter?

By CR Score, the highest-ranked HVAC contractor in Saint Peter, MN is Countryside Refrigeration & Heating, LLC. with a CR Score of 93/100. It has 4.9★ from 242 Google reviews. It is open 24/7. Davis Comfort Systems, Inc. (#2) and L & L Mechanical (#3) follow. We ranked 22 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Saint Peter?

ContractorsRanked ranks 22 HVAC contractors serving Saint Peter, MN. 5 of them are based in Saint Peter; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Saint Peter are open 24/7?

6 ranked HVAC contractors in Saint Peter post 24/7 hours. The highest-ranked are Countryside Refrigeration & Heating, LLC. (#1), Davis Comfort Systems, Inc. (#2) and L & L Mechanical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Saint Peter work on weekends?

9 of 22 ranked HVAC contractors post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Countryside Refrigeration & Heating, LLC. (#1), Davis Comfort Systems, Inc. (#2) and L & L Mechanical (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Saint Peter?

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 Saint Peter. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Saint Peter HVAC contractors have?

The median Google rating among 22 rated HVAC contractors in Saint Peter is 4.8★, with a median of 28 reviews. Countryside Refrigeration & Heating, LLC. has the most, 242 reviews, and ranks #1. 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 Saint Peter?

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 Saint Peter

  1. October 2026: CR Scores recalculated for 22 hvac contractors serving Saint Peter.

More HVAC contractors and Saint Peter pages

Other trades in Saint Peter