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ContractorsRanked

Best HVAC Contractors in Princeton, IL (2026)

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

The short answer

  1. 1

    Best overall in Princeton: Town & Country Services, CR Score 92/100; 4.7★ from 153 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Triple Service Inc., posts 24/7 hours; ranked #2 of 8.

  3. 2

    Most-reviewed: Triple Service Inc., 699 Google reviews at 4.8★, the most of 8 ranked; ranked #2.

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

8 Princeton HVAC contractors are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 5 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 8 rated businesses.

Top 8 HVAC contractors in Princeton at a glance

Top 8 HVAC contractors in Princeton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Town & Country Services924.7★ (153)Princeton24/7Overall
2Triple Service Inc.904.8★ (699)Mendota, 22 mi away24/7Emergencies, Most reviews
3Correa Heating & Air Conditioning855.0★ (20)Mendota, 14 mi away24/7—
4John's Service and Sales, Inc.844.5★ (82)Peru, 22 mi away24/7—
5A&G Heating and Air Conditioning, LLC " Gas fireplace services"835.0★ (16)Peru, 15 mi away24/7—
6Summit Heating & Air Conditioning LLC784.8★ (155)Spring Valley, 14 mi away——
7Chapman's Mechanical Systems754.8★ (38)Peru, 17 mi away——
8Phelps Energy Services, Inc734.7★ (3)Princeton——

The 8 best HVAC contractors in Princeton, ranked

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

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Triple Service Inc.

    Based in Mendota, 22 mi away

    90/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.8★ from 699 Google reviews, the most Google reviews on this list (699).

    • 4.8★ from 699 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    801 Monroe St, Mendota, IL 61342
    View profile for Triple Service Inc.(815) 857-8457

How much do HVAC contractors cost in Princeton?

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

How much do HVAC contractors cost in Princeton?
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 Illinois

In Illinois, 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 Princeton HVAC contractors

We scored 8 Princeton 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 Princeton 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 Princeton: frequently asked questions

Who is the best HVAC contractor in Princeton?

By CR Score, the highest-ranked HVAC contractor in Princeton, IL is Town & Country Services with a CR Score of 92/100. It has 4.7★ from 153 Google reviews. It is open 24/7. Triple Service Inc. (#2) and Correa Heating & Air Conditioning (#3) follow. We ranked 8 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Princeton?

ContractorsRanked ranks 8 HVAC contractors serving Princeton, IL. 2 of them are based in Princeton; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Princeton are open 24/7?

5 ranked HVAC contractors in Princeton post 24/7 hours. The highest-ranked are Town & Country Services (#1), Triple Service Inc. (#2) and Correa Heating & Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Princeton work on weekends?

5 of 8 ranked HVAC contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Town & Country Services (#1), Triple Service Inc. (#2) and Correa Heating & Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Princeton?

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

What Google rating do Princeton HVAC contractors have?

The median Google rating among 8 rated HVAC contractors in Princeton is 4.8★, with a median of 60 reviews. Triple Service Inc. has the most, 699 reviews, and ranks #2. 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 Princeton?

In Illinois, 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 Princeton

  1. October 2026: CR Scores recalculated for 8 hvac contractors serving Princeton.

More HVAC contractors and Princeton pages