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Best HVAC Contractors in Saint Andrews, SC (2026)

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

The short answer

  1. 1

    Best overall in Saint Andrews: Cassell Brothers Home Services, CR Score 67/100; 4.9★ from 6,521 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Midland Air Service Experts, posts 24/7 hours; ranked #2 of 166.

  3. 2

    Most-reviewed: Midland Air Service Experts, 6,227 Google reviews at 4.9★, the most of 166 ranked after Cassell Brothers Home Services; ranked #2.

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

166 Saint Andrews HVAC contractors are ranked here by CR Score, from ten published factors. 55 are open 24/7, 104 open Saturdays and 83 open Sundays, based on posted hours. The median Google rating is 4.8★ across 166 rated businesses.

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

Top 10 HVAC contractors in Saint Andrews at a glance

Top 10 HVAC contractors in Saint Andrews at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cassell Brothers Home Services674.9★ (6,521)Irmo, 6 mi away24/7Overall
2Midland Air Service Experts664.9★ (6,227)Lexington, 8 mi away24/7Emergencies, Most reviews
3Call Dad664.9★ (1,693)Columbia, 2 mi away24/7—
4Carolina Conditions Heating Cooling Plumbing Electrical664.9★ (4,075)Lexington, 7 mi away24/7—
5Carolina Comfort, Inc.644.8★ (1,070)Columbia, 3 mi away24/7—
6All American Heating & Air644.8★ (784)West Columbia, 3 mi away24/7—
7Stoudenmire Heating & Air Conditioning644.9★ (815)Columbia, 6 mi away24/7—
82nd Wind Heating & Air Conditioning634.8★ (1,559)Columbia, 9 mi away24/7—
9ARS / Rescue Rooter634.4★ (3,522)Columbia, 5 mi away24/7—
10Cottrell & Co, Inc Plumbing Heating And Air634.9★ (529)West Columbia, 7 mi away24/7—

The 166 best HVAC contractors in Saint Andrews, 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.

  3. #3 Call Dad

    Based in Columbia, 2 mi away

    66/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,693 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,693 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1410 St Andrews Rd, Columbia, SC 29210
    View profile for Call Dad(803) 486-8409

  9. #9 ARS / Rescue Rooter

    Based in Columbia, 5 mi away

    63/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.4★ from 3,522 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 3,522 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    121 Winhill Rd, Columbia, SC 29203
    View profile for ARS / Rescue Rooter(803) 973-6781

  24. #24 SC Heating And Air

    Based in Columbia, 1 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 80 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 80 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    713 Tower Ln, Columbia, SC 29210
    View profile for SC Heating And Air(803) 309-8475

HVAC contractors ranked #26 to #26

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile. We publish the top 26 of 166 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Saint Andrews, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26Fogel Services, Inc.604.8★ (86)5 mi

How much do HVAC contractors cost in Saint Andrews?

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

How much do HVAC contractors cost in Saint Andrews?
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 South Carolina

In South Carolina, South Carolina Contractor’s Licensing Board (LLR) licenses Mechanical contractor licenses for commercial work; residential specialty contractors register with the Residential Builders Commission.

  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 South Carolina

In South Carolina, 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 Saint Andrews HVAC contractors

We scored 166 Saint Andrews 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 Saint Andrews 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 Saint Andrews: frequently asked questions

Who is the best HVAC contractor in Saint Andrews?

By CR Score, the highest-ranked HVAC contractor in Saint Andrews, SC is Cassell Brothers Home Services with a CR Score of 67/100. It has 4.9★ from 6,521 Google reviews. It is open 24/7. Midland Air Service Experts (#2) and Call Dad (#3) follow. We ranked 166 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Saint Andrews?

ContractorsRanked ranks 166 HVAC contractors serving Saint Andrews, SC. Counts are as of October 2026.

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

55 ranked HVAC contractors in Saint Andrews post 24/7 hours. The highest-ranked are Cassell Brothers Home Services (#1), Midland Air Service Experts (#2) and Call Dad (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Saint Andrews work on weekends?

104 of 166 ranked HVAC contractors post Saturday hours and 83 post Sunday hours. The highest-ranked open Saturdays are Cassell Brothers Home Services (#1), Midland Air Service Experts (#2) and Call Dad (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In South Carolina, South Carolina Contractor’s Licensing Board (LLR) handles licensing and covers Mechanical contractor licenses for commercial work; residential specialty contractors register with the Residential Builders Commission.

How much does ac replacement cost in Saint Andrews?

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

What Google rating do Saint Andrews HVAC contractors have?

The median Google rating among 166 rated HVAC contractors in Saint Andrews is 4.8★, with a median of 37 reviews. Cassell Brothers Home Services has the most, 6,521 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 Andrews?

In South Carolina, 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.

Update log for Saint Andrews

  1. October 2026: CR Scores recalculated for 166 hvac contractors serving Saint Andrews.
  2. October 2026: 1 duplicate listing merged.

More HVAC contractors and Saint Andrews pages

Other trades in Saint Andrews