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Best HVAC Contractors in Monticello, LA (2026)

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

The short answer

  1. 1

    Best overall in Monticello: River City's One Hour Air Conditioning and Heating, CR Score 67/100; 4.9★ from 5,963 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): AccuTemp Services, posts 24/7 hours; ranked #2 of 212.

  3. 2

    Most-reviewed: AccuTemp Services, 6,671 Google reviews at 4.9★, the most of 212 ranked; ranked #2.

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

212 Monticello HVAC contractors are ranked here by CR Score, from ten published factors. 71 are open 24/7, 130 open Saturdays and 106 open Sundays, based on posted hours. The median Google rating is 4.9★ across 212 rated businesses.

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

Top 10 HVAC contractors in Monticello at a glance

Top 10 HVAC contractors in Monticello at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1River City's One Hour Air Conditioning and Heating674.9★ (5,963)Baton Rouge, 4 mi away24/7Overall
2AccuTemp Services664.9★ (6,671)Baton Rouge, 7 mi away24/7Emergencies, Most reviews
3AccuTemp Services654.8★ (1,886)Baton Rouge, 1 mi away24/7—
4Southern Air Heating, Cooling, & Plumbing654.9★ (2,986)Baton Rouge, 7 mi away24/7—
5Capital City Comfort655.0★ (647)Baton Rouge, 2 mi away24/7—
6Dream Team Heating & Air644.8★ (1,577)Denham Springs, 6 mi away24/7—
7Cool Kings Heating and Air645.0★ (293)Baton Rouge, 1 mi away24/7—
8Fire and Ice Heating & Air LLC644.9★ (465)Baton Rouge, 3 mi away24/7—
9Wilkins Services Heating and Air625.0★ (213)Denham Springs, 5 mi away24/7—
10Tiger Air Conditioning Services625.0★ (212)Baton Rouge, 6 mi away24/7—

The 212 best HVAC contractors in Monticello, ranked

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.

  1. Based in Baton Rouge, 7 mi away

    66/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.9★ from 6,671 Google reviews, the most in Monticello.

    • 4.9★ from 6,671 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2600 Government St, Baton Rouge, LA 70806
  2. Based in Baton Rouge, 1 mi away

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,886 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,886 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2027 N Harco Dr, Baton Rouge, LA 70815
  3. Based in Baton Rouge, 2 mi away

    65/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 647 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 647 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10267 Mammoth Ave, Baton Rouge, LA 70814
  4. Based in Baton Rouge, 2 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 159 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9150 N Ridgewood Dr, Baton Rouge, LA 70814
  5. Based in Denham Springs, 6 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 84 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    115 N College St, Denham Springs, LA 70726
  6. Based in Denham Springs, 8 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 107 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    34620 LA-16, Denham Springs, LA 70706
  7. Based in Denham Springs, 10 mi away

    60/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 102 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12200 Brandon Rd, Denham Springs, LA 70726

How much do HVAC contractors cost in Monticello?

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

How much do HVAC contractors cost in Monticello?
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

How to check an HVAC contractor's license in Louisiana

In Louisiana, Louisiana State Licensing Board for Contractors licenses Mechanical contractor licenses.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

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

When to hire an HVAC contractor in Louisiana

In Louisiana, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

How we ranked Monticello HVAC contractors

We scored 212 Monticello 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Monticello data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Monticello: frequently asked questions

Who is the best HVAC contractor in Monticello?

By CR Score, the highest-ranked HVAC contractor in Monticello, LA is River City's One Hour Air Conditioning and Heating with a CR Score of 67/100. It has 4.9★ from 5,963 Google reviews. It is open 24/7. AccuTemp Services (#2) and AccuTemp Services (#3) follow. We ranked 212 HVAC contractors on ten factors, last updated October 22, 2026.

Which HVAC contractors in Monticello are open 24/7?

71 ranked HVAC contractors in Monticello post 24/7 hours. The highest-ranked are River City's One Hour Air Conditioning and Heating (#1), AccuTemp Services (#2) and AccuTemp Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Monticello work on weekends?

130 of 212 ranked HVAC contractors post Saturday hours and 106 post Sunday hours. The highest-ranked open Saturdays are River City's One Hour Air Conditioning and Heating (#1), AccuTemp Services (#2) and AccuTemp Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Louisiana?

In Louisiana, Louisiana State Licensing Board for Contractors handles licensing and covers Mechanical contractor licenses.

How much does ac replacement cost in Monticello?

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

What Google rating do Monticello HVAC contractors have?

The median Google rating among 212 rated HVAC contractors in Monticello is 4.9★, with a median of 16 reviews. AccuTemp Services has the most, 6,671 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 Monticello?

In Louisiana, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Monticello

  1. October 2026: CR Scores recalculated for 212 hvac contractors serving Monticello.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Monticello pages

Other trades in Monticello