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Emergency HVAC Contractors in Cambridge, MD (2026)

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

11 of the 32 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 Cambridge: 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 Cambridge at a glance

Top emergency HVAC contractors in Cambridge at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Today Heating, Air Conditioning, Plumbing and Electrical644.8★ (1,091)Easton, 14 mi away24/7
2Marathon Service Company, LLC594.9★ (97)Salisbury, 21 mi away24/7
3SKI HVAC LLC595.0★ (41)Easton, 16 mi away24/7
4Major League HVAC575.0★ (38)Seaford, 22 mi away24/7
5James E Knox & Son Inc574.5★ (15)Easton, 15 mi away24/7
6Irvin Hayes Plumbing & Heating565.0★ (12)Easton, 17 mi away24/7
7Gannon's Refrigeration Services Inc564.8★ (12)Easton, 17 mi away24/7
8Meintzer Petroleum553.9★ (7)Easton, 14 mi away24/7
9Eastern Shore Climate Control llc555.0★ (11)Salisbury, 21 mi away24/7
10True Comfort Mechanical, LLC555.0★ (17)Seaford, 24 mi away24/7

Call an emergency HVAC contractor in Cambridge 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 32 emergency HVAC contractors in Cambridge, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights.

  2. #2 Marathon Service Company, LLC

    Based in Salisbury, 21 mi away

    59/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    25600 Ocean Gateway, Mardela Springs, MD 21837
    View profile for Marathon Service Company, LLC(410) 543-2962

  3. #3 SKI HVAC LLC

    Based in Easton, 16 mi away

    59/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 41 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for SKI HVAC LLC(443) 889-3998

  4. #4 Major League HVAC

    Based in Seaford, 22 mi away

    57/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 38 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Major League HVAC(443) 521-7346

  5. #5 James E Knox & Son Inc

    Based in Easton, 15 mi away

    57/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 15 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Kemp Ln, Easton, MD 21601
    View profile for James E Knox & Son Inc(410) 822-1876

  7. #7 Gannon's Refrigeration Services Inc

    Based in Easton, 17 mi away

    56/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9180 Chapel Rd, Easton, MD 21601
    View profile for Gannon's Refrigeration Services Inc

  8. #8 Meintzer Petroleum

    Based in Easton, 14 mi away

    55/100CR Score

    Ranked #8 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.9★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    400 S Aurora St, Easton, MD 21601
    View profile for Meintzer Petroleum(410) 357-6360

  10. #10 True Comfort Mechanical, LLC

    Based in Seaford, 24 mi away

    55/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7370 Gum Branch Rd #3088, Seaford, DE 19973
    View profile for True Comfort Mechanical, LLC(302) 628-8292

  11. #11 Perfect Degree

    Based in Salisbury, 22 mi away

    54/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

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

  12. #12 Velocity HVAC

    Based in Easton, 12 mi away

    55/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 361 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.9★ from 361 Google reviews
    View profile for Velocity HVAC(410) 490-1312

  14. #14 Pliescott HVAC Services

    Based in Cambridge

    50/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.1★ from 9 Google reviews
    Address
    100 Goodwill Rd, Cambridge, MD 21613
    View profile for Pliescott HVAC Services(410) 228-4822

  15. #15 Comfort Plus Services

    Based in Cambridge

    46/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 111 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    View profile for Comfort Plus Services(667) 238-5192

  16. #16 C. Albert Matthews, Inc.

    Based in Easton, 15 mi away

    45/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 662 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 662 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    500 South St, Easton, MD 21601
    View profile for C. Albert Matthews, Inc.(410) 822-0900

  19. #19 C. Albert Matthews, Inc. Heating, Air Conditioning & Plumbing - Cambridge

    Based in Cambridge

    42/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.5★ from 26 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 26 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    828 A, 828 Airpax Rd, Cambridge, MD 21613
    View profile for C. Albert Matthews, Inc. Heating, Air Conditioning & Plumbing - Cambridge(410) 228-5272

  20. #20 Comfort Air Service LLC

    Based in Easton, 14 mi away

    42/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.7★ from 131 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 131 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    29310 Erickson Dr, Easton, MD 21601
    View profile for Comfort Air Service LLC(410) 822-5588

  22. #22 Aero Energy

    Based in Cambridge

    40/100CR Score

    Ranked #22 because of its Google rating and review volume: 4.9★ from 185 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 185 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    503 Washington St, Cambridge, MD 21613
    View profile for Aero Energy(800) 998-4311

  24. #24 Tom's General Service Inc

    Based in Easton, 15 mi away

    37/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 11 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    314 N Aurora St, Easton, MD 21601
    View profile for Tom's General Service Inc(410) 822-7401

  25. #25 Still's HVAC Service

    Based in Easton, 15 mi away

    37/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    29512 Canvasback Dr Suite 2, Easton, MD 21601
    View profile for Still's HVAC Service(410) 714-4091

All 32 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.

HVAC contractors in Cambridge, ranks 26 to 32
RankBusinessCR ScoreGoogle ratingDistance
26David J McMullen Plumbing & Heating374.2★ (10)In Cambridge
27The Whalen Company373.5★ (17)16 mi
28Tidewater Heating & Cooling375.0★ (6)15 mi
29Penco Corporation364.4★ (28)24 mi
30Williams HVAC Cleaning & Restoration363.0★ (6)15 mi
31Wilfre Co. Inc343.9★ (7)25 mi
32Southern Maryland Refrigeration, Inc.332.3★ (3)24 mi

How we ranked emergency HVAC contractors in Cambridge

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 Cambridge: questions

Which HVAC contractors in Cambridge are open 24/7?

11 on this list post 24/7 hours, including Service Today Heating, Air Conditioning, Plumbing and Electrical, Marathon Service Company, LLC, SKI HVAC LLC, Major League HVAC and James E Knox & Son Inc.

Who is ranked #1 for emergency heating and cooling in Cambridge, MD?

Service Today Heating, Air Conditioning, Plumbing and Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Cambridge 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?

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

Update log for Cambridge

  1. October 2026: CR Scores recalculated for 32 hvac contractors serving Cambridge.

More emergency and heating and cooling pages