11 Emergency HVAC Contractors in Ellicott City, MD

4.7 avg rating
2,311 total reviews7 offer 24/7 service

Top-Rated Emergency HVAC Contractors in Ellicott City

#1

Roto-Rooter Plumbing & Water Cleanup

4.8(982 reviews)
24/7 Highly Rated

All five-star reviews name specific technicians who provided the service, with multiple reviewers requesting the same professional on return visits. Customers…

3545 Ellicott Mills Dr Ste 102, Ellicott City, MD 21043
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#2

Catons Plumbing, Drains & Water Cleanup

4.8(590 reviews)
24/7 Highly Rated

The 590 reviews yield a 4.8 average rating, with five-star reviews describing specific technicians (Ram, Demetric, Henry) and fast response times. One negative…

3696 Park Ave #204, Ellicott City, MD 21043
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#3

Supreme Service Today

4.7(561 reviews)
24/7

Among 528 reviews, positive feedback consistently references technician professionalism and thoroughness, while the single one-star review describes a failed…

8585 Baltimore National Pike #7, Ellicott City, MD 21043
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All Emergency HVAC Contractors (11 total)

No -Frost Air Conditioning & Heating, LLC

4.7(82)

Five detailed reviews yield a perfect five-star average with zero negative feedback. Four reviewers emphasize…

4990 Waterloo Rd, Ellicott City, MD 21043
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Husky Home Services

4.8(44)
24/7

Four customers specifically name Pat or Patrick as the technician delivering their service, with one…

8414 Church Ln Rd, Ellicott City, MD 21043
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Maryland Heating & Cooling

4.8(23)

Twelve of twenty-three reviewers explicitly describe emergency or same-day service experiences, with five…

4943 Roundhill Rd, Ellicott City, MD 21043
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Heating & Cooling

5.0(16)

Eight reviewers rate this contractor 5 stars, with three specifying same_day or rapid_arrival response.…

8805 Orange Grv Dr, Ellicott City, MD 21043
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All American Heating & Cooling, Inc.

4.8(6)
24/7

Four of four published reviews carry five-star ratings, with client stories specifically mentioning heat pump…

10690 Clarksville Pike, Ellicott City, MD 21042
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Duct Cleaning Pros of HoCo

5.0(3)
24/7

All three reviewers awarded five-star ratings, with each client specifically praising the team's attention to…

3701 Court House Dr, Ellicott City, MD 21043
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American Testing Inc

3.7(3)
3220 Corporate Ct STE F, Ellicott City, MD 21042
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garagedoorsrepairellicottcitymd

5.0(1)
24/7

Both reviews award five stars, with clients specifically mentioning on-time arrival and knowledgeable…

4380 Montgomery Rd, Ellicott City, MD 21043
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Emergency HVAC Costs in Ellicott City

After-hours, weekend, and holiday HVAC service pricing in Ellicott City. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$150$200$300
Weekend service call
$175$225$325
Holiday / major holiday call
$225$300$450
Emergency labor (hourly)
1.5-2x standard hourly rate
$160$205$250
Emergency repair total (typical)
Repair + after-hours surcharge
$300$700$1,200
Emergency repair (major)
Compressor, heat exchanger failures
$1,200$2,200$3,500

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

Emergency HVAC in Ellicott City, MD: What to Expect

Ellicott City falls just beyond Baltimore where summer humidity pushes temperatures into the 80s while winter brings freezing averages around 27 F from the Chesapeake Bay influence. This wide temperature swing forces residential heating and cooling systems to work extremely hard year-round, which explains why finding reliable Emergency HVAC in Ellicott City becomes critical when equipment fails unexpectedly. Eight licensed contractors serve Howard County, and the best ones maintain an average rating of approximately 4.7 stars based on over 700 verified customer reviews.

After-hours emergency service carries specific pricing that reflects the disruption to normal schedules. A weekday night call typically costs $150-$300, weekend visits run $175-$325, and major holiday calls reach $225-$450 depending on repair complexity. Maryland law requires every working HVAC contractor to hold a Master HVACR License from the state Department of Labor, which verifies completion of formal apprenticeship or classroom training before they can legally work on residential systems in your home.

Customer reviews reveal patterns worth noting when making a selection. Technicians at one company receive consistent praise for professionalism and thorough problem explanation across hundreds of reviews. Another contractor earns mentions specifically about same-day response during urgent situations, and several long-term customers note relationships spanning multiple years. Reviewers also highlight technicians like Patrick at Husky Home Services, with additional positive mentions for schedulers like Stacey who help coordinate appointments smoothly. These specific experiences illustrate the kind of responsive service that defines quality emergency HVAC support in this community.

Frequently Asked Questions

Emergency HVAC in Ellicott City adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.