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ContractorsRanked

Best HVAC Contractors in Elsmere, DE (2026)

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

The short answer

  1. 1

    Best overall in Elsmere: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, CR Score 95/100; 4.8★ from 9,075 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Done Right Today, posts 24/7 hours; ranked #2 of 435.

  3. 20

    Most-reviewed: Harris Plumbing, Heating, Air & Electrical, 11,049 Google reviews at 4.9★, the most of 435 ranked; ranked #20.

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

435 Elsmere HVAC contractors are ranked here by CR Score, from 8 published factors. 177 are open 24/7, 268 open Saturdays and 221 open Sundays, based on posted hours. The median Google rating is 4.9★ across 435 rated businesses.

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

Top 10 HVAC contractors in Elsmere at a glance

Top 10 HVAC contractors in Elsmere at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical954.8★ (9,075)Wilmington, 1 mi away24/7Overall
2Done Right Today955.0★ (2,228)Wilmington, 1 mi away24/7Emergencies
3One Hour Heating & Air Conditioning® of Wilmington De944.9★ (3,009)Wilmington, 1 mi away24/7—
4LIAM Services935.0★ (979)New Castle, 5 mi away24/7—
5F.H. Furr Plumbing, Heating, Air Conditioning & Electrical924.8★ (2,115)New Castle, 4 mi away24/7—
6Harris Plumbing, Heating, Air & Electrical924.8★ (1,753)New Castle, 4 mi away24/7—
7Aire Serv of Newark DE924.9★ (2,972)Newark, 11 mi away24/7—
8Burns & McBride Home Comfort924.8★ (1,529)New Castle, 4 mi away24/7—
9Maichle's Heating and Air Conditioning914.9★ (642)New Castle, 4 mi away24/7—
10Sobieski Inc.914.7★ (5,666)Newark, 10 mi away24/7—

The 435 best HVAC contractors in Elsmere, 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 Done Right Today

    Based in Wilmington, 1 mi away

    95/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 2,228 Google reviews, open 24/7.

    • 5.0★ from 2,228 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19 Germay Dr, Wilmington, DE 19804
    View profile for Done Right Today(302) 433-6273

  4. #4 LIAM Services

    Based in New Castle, 5 mi away

    93/100CR Score

    Ranked #4 because of its Google rating and availability: 5.0★ from 979 Google reviews, open 24/7.

    • 5.0★ from 979 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    292 Churchmans Rd, New Castle, DE 19720
    View profile for LIAM Services(302) 202-9742

  10. #10 Sobieski Inc.

    Based in Newark, 10 mi away

    91/100CR Score

    Ranked #10 because of its Google rating and availability: 4.7★ from 5,666 Google reviews, open 24/7.

    • 4.7★ from 5,666 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1325 Old Cooch's Bridge, Newark, DE 19713
    View profile for Sobieski Inc.(877) 707-1358

  13. #13 Boulden Brothers

    Based in Newark, 11 mi away

    90/100CR Score

    Ranked #13 because of its Google rating and availability: 4.8★ from 2,510 Google reviews, open 24/7.

    • 4.8★ from 2,510 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    107 Sandy Dr Building 700, Newark, DE 19713
    View profile for Boulden Brothers(302) 246-7878

  19. #19 Signature HVAC

    Based in West Chester, 18 mi away

    90/100CR Score

    Ranked #19 because of its Google rating and availability: 4.9★ from 3,053 Google reviews, open 24/7.

    • 4.9★ from 3,053 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1330 Enterprise Dr, West Chester, PA 19380
    View profile for Signature HVAC(484) 473-6107

  21. #21 Triton Services

    Based in Glasgow, 12 mi away

    90/100CR Score

    Ranked #21 because of its Google rating and availability: 5.0★ from 466 Google reviews, open 24/7.

    • 5.0★ from 466 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    600 Madison St, Delaware City, DE 19706
    View profile for Triton Services(302) 985-7656

How much do HVAC contractors cost in Elsmere?

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

How much do HVAC contractors cost in Elsmere?
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 Delaware

In Delaware, Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners licenses Heating, ventilation, air conditioning and refrigeration work.

  1. Search the business name or license number on the Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Delaware

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Elsmere HVAC contractors

We scored 435 Elsmere 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 Elsmere 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 Elsmere: frequently asked questions

Who is the best HVAC contractor in Elsmere?

By CR Score, the highest-ranked HVAC contractor in Elsmere, DE is Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical with a CR Score of 95/100. It has 4.8★ from 9,075 Google reviews. It is open 24/7. Done Right Today (#2) and One Hour Heating & Air Conditioning® of Wilmington De (#3) follow. We ranked 435 HVAC contractors on 8 factors, last updated October 22, 2026.

Which HVAC contractors in Elsmere are open 24/7?

177 ranked HVAC contractors in Elsmere post 24/7 hours. The highest-ranked are Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#1), Done Right Today (#2) and One Hour Heating & Air Conditioning® of Wilmington De (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Elsmere work on weekends?

268 of 435 ranked HVAC contractors post Saturday hours and 221 post Sunday hours. The highest-ranked open Saturdays are Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#1), Done Right Today (#2) and One Hour Heating & Air Conditioning® of Wilmington De (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In Delaware, Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners handles licensing and covers Heating, ventilation, air conditioning and refrigeration work. Search the business or license number at https://delpros.delaware.gov/OH_VerifyLicense.

How much does ac replacement cost in Elsmere?

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

What Google rating do Elsmere HVAC contractors have?

The median Google rating among 435 rated HVAC contractors in Elsmere is 4.9★, with a median of 25 reviews. Harris Plumbing, Heating, Air & Electrical has the most, 11,049 reviews, and ranks #20. 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 Elsmere?

HVAC demand peaks in summer for cooling and in winter for heating. 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 Elsmere

  1. October 2026: CR Scores recalculated for 435 hvac contractors serving Elsmere.
  2. October 2026: 5 duplicate listings merged.

More HVAC contractors and Elsmere pages

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