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Emergency HVAC Contractors in Seaford, DE (2026)

Top 50 of 81 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Seaford: Service Today Heating, Air Conditioning, Plumbing and Electrical, open 24/7.

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

Top emergency HVAC contractors in Seaford at a glance

Top emergency HVAC contractors in Seaford at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Today Heating, Air Conditioning, Plumbing and Electrical674.8★ (2,082)Seaford24/7
2F.H. Furr Plumbing, Heating, Air Conditioning & Electrical644.8★ (3,108)Georgetown, 16 mi away24/7
3Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Milford DE624.9★ (1,601)Milford, 21 mi away24/7
4Major League HVAC625.0★ (38)Seaford24/7
5Top Flight Heating & Air614.9★ (443)Georgetown, 18 mi away24/7
6True Comfort Mechanical, LLC605.0★ (17)Seaford24/7
7Wicomico Heating & Air Conditioning604.9★ (261)Salisbury, 19 mi away24/7
8Real HVAC Services604.8★ (319)Salisbury, 20 mi away24/7
9Marathon Service Company, LLC594.9★ (97)Salisbury, 14 mi away24/7
10HVAC Alternatives595.0★ (8)Seaford24/7

Call an emergency HVAC contractor in Seaford now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Seaford, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 81 is on the HVAC contractors page.

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 Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Milford DE

    Based in Milford, 21 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,601 Google reviews, listed on Google as “Furnace repair service”.

    • 4.9★ from 1,601 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    329 S Rehoboth Blvd, Milford, DE 19963
    View profile for Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Milford DE(302) 219-3973

  8. #8 Real HVAC Services

    Based in Salisbury, 20 mi away

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 319 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 319 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    700 Eastern Shore Dr, Salisbury, MD 21804
    View profile for Real HVAC Services(410) 424-7885

  24. #24 Perfect Degree

    Based in Salisbury, 15 mi away

    55/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.

    • 4.3★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Perfect Degree(410) 749-1625

Top 50 of 81 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Seaford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Hein HVAC545.0★ (9)21 mi
27ClimateCare HVAC Services, LLC535.0★ (3)19 mi
28Friends Heating and Air Conditioning, LLC Seaford Delaware495.0★ (5)In Seaford
29Action Energy Systems484.9★ (85)21 mi
30Aqua Mechanical Co485.0★ (8)21 mi
31National HVAC Service454.9★ (130)In Seaford
32Hometown Heating & AC445.0★ (18)25 mi
33Phillip Sharp & Son Inc433.9★ (8)18 mi
34Service Today433.2★ (20)19 mi
35Hancock & Son Plumbing, Heating and Air Conditioning434.8★ (775)17 mi
36T-N-T Heating & Cooling424.0★ (4)19 mi
37First Class Heating & Air Conditioning425.0★ (3)19 mi
38K & B HVAC Services425.0★ (147)12 mi
39Penco Corporation424.4★ (28)In Seaford
40HP Services & Sons Inc415.0★ (53)8 mi
41Comfort Plus Services414.9★ (255)17 mi
42Coastal Comfort Heating and Air Conditioning | Salisbury414.9★ (332)19 mi
43Big Wave HVAC-Elite Heating & Cooling414.9★ (92)13 mi
44S.R. Pete & Sons Inc405.0★ (59)14 mi
45G&S Heating & Air405.0★ (5)In Seaford
46Flow Heating, Cooling & Plumbing405.0★ (100)19 mi
47Major Dryer Vent Cleaning & Air Duct Cleaning Services DE394.8★ (4)In Seaford
48Aero Energy394.7★ (102)18 mi
49Reliably Accurate Heating, Air Conditioning, & Ventilation395.0★ (46)18 mi
50Bay Care Heating and Air394.9★ (47)17 mi

How we ranked emergency HVAC contractors in Seaford

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Seaford: questions

Which HVAC contractors in Seaford are open 24/7?

25 on this list post 24/7 hours, including Service Today Heating, Air Conditioning, Plumbing and Electrical, F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Milford DE, Major League HVAC and Top Flight Heating & Air.

Who is ranked #1 for emergency heating and cooling in Seaford, DE?

Service Today Heating, Air Conditioning, Plumbing and Electrical is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Seaford ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Seaford

  1. October 2026: CR Scores recalculated for 81 hvac contractors serving Seaford.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages