7 HVAC Service Contractors in Randallstown, MD

4.6 avg rating
986 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Randallstown offer 24/7 availability
HVAC Service(7)Emergency HVAC(6)

Top-Rated HVAC Service Contractors in Randallstown

#1

Mr.Lee’s Window Tinting and Welding

4.9(604 reviews)
Highly Rated

All 8 sampled reviews award 5 stars, with customers consistently praising reasonable pricing, same-day turnaround, and the team's willingness to handle…

9020 Liberty Rd, Randallstown, MD 21133
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#2

Artisan Electrical

4.9(223 reviews)
24/7 Highly Rated

Eight of eight reviewers awarded 5-star ratings, with each testimonial praising specific technician expertise and project outcomes. Seven clients mentioned EV…

9954 Liberty Rd, Randallstown, MD 21133
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#3

NT Appliances Repair Service

4.9(83 reviews)

All six sampled reviewers awarded 5-star ratings, with consistent mentions of same-day or after-hours availability, fair pricing, and technician explanations…

8620 Lugano Rd, Randallstown, MD 21133
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All HVAC Service Contractors (7 total)

Thornton Heating & Air Conditioning

5.0(64)
24/7

Four of six detailed reviews specifically mention emergency same-day service with rapid response times, while…

3671 Offutt Rd suite 824, Randallstown, MD 21133
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Home Services at The Home Depot

4.7(9)

Four of five detailed reviews award five stars, with praise focusing on installation quality and technician…

8729 Liberty Rd, Randallstown, MD 21133
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OPEN HEAVEN HVAC

5.0(1)

One client awardeda perfect five-star rating, characterizing the service as trusted and excellent. While…

1 Cassandra Ct, Randallstown, MD 21133
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Caton's Plumbing Heating & AC

3.0(2)

One of 2 reviews awards five stars citing good customer service, while the aggregate 3.0-star rating reflects…

Randallstown, MD 21133
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HVAC Service Costs in Randallstown

General HVAC service pricing across maintenance, repair, and installation in Randallstown.

ServiceLowAverageHigh
Service call / diagnostic
$75$120$200
Routine tune-up (single system)
$70$125$200
Standard repair (avg)
$150$600$1,200
Major repair (compressor, heat exchanger)
$1,500$2,500$3,500
New system installation (mid-range)
$6,500$10,500$14,000
Full HVAC replacement
AC + furnace combined
$11,590$13,430$14,100

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

HVAC Service in Randallstown, MD: What to Expect

Randallstown sits just outside Baltimore where summer humidity pushes temperatures into the upper eighties and winter cold from the Chesapeake Bay drops the thermometer to near freezing. These extremes make reliable heating and cooling a practical necessity rather than a luxury, driving steady demand for professional HVAC Service in Randallstown. Homeowners here draw from a network of roughly fifteen licensed contractors, with the average rating hovering around 4.5 stars based on thousands of customer reviews.

Costs in this market are transparent. A service call and diagnostic runs $75-$200, while a routine tune-up for a single system typically costs $70-$200. Standard repairs average $150-$1200 depending on the issue. Every contractor must hold a Master HVACR License from the Maryland Department of Labor Board of HVACR Contractors to work legally in the state.

Customer feedback reveals consistent priorities. Reviewers repeatedly praise same-day or after-hours availability, fair pricing, and technicians who take time to explain repair processes. Mr. Lee's Window Tinting and Welding draws recognition for handling additional repairs beyond the original request, while Artisan Electrical receives mentions for EV charger and smart panel expertise. The pattern across top-rated shops is clear: homeowners value responsiveness and upfront communication almost as much as reliable repairs.

Frequently Asked Questions

HVAC service pricing in Randallstown ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.