6 HVAC Repair Contractors in Catonsville, MD

3.4 avg rating
165 total reviews2 offer 24/7 service
Need emergency service? 4 HVAC providers in Catonsville offer 24/7 availability

Top-Rated HVAC Repair Contractors in Catonsville

#1

Carver Heating & Cooling

5.0(88 reviews)
24/7

Every reviewer awarded 5 stars, with seven mentioning specific technicians by name and eight emphasizing professional communication and thorough cleanup. Four…

640 Frederick Rd suite 317, Catonsville, MD 21228
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#2

Lee Brothers Contracting

5.0(67 reviews)

All seven sampled reviewers award five-star ratings, with three explicitly mentioning fair or competitive pricing. Two reviewers describe complex jobs that…

715 Ingleside Ave, Catonsville, MD 21228
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#3

A-Z Heating AC & Refrigeration

4.3(6 reviews)
24/7

Three reviews yield an average of approximately 3.7 stars, with two five-star ratings praising emergency response speed and technician expertise, and a…

1012 Leslie Ave, Catonsville, MD 21228
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All HVAC Repair Contractors (6 total)

Tra Preventive Maintenance, Llc

5.0(3)

All three reviews award five stars, with clients praising AC replacement, thermostat installation, and smart…

2111 Frederick Rd, Catonsville, MD 21228
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Aire Serv of Columbia

1.0(1)

The single available reviewassigns one star, expressing dissatisfaction through the brief comment cold turn…

1005 Frederick Rd, Catonsville, MD 21228
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Pavilion Heating And Cooling

0.0
6412 Baltimore National Pike, Catonsville, MD 21228
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HVAC Repair Costs in Catonsville

Typical heating and cooling repair costs in Catonsville, by component.

ServiceLowAverageHigh
Diagnostic / service call
$75$120$200
Thermostat replacement
$150$275$500
Blower motor replacement
$400$650$1,100
Heat exchanger replacement
$1,500$2,200$3,500
Ignitor replacement (gas furnace)
$150$250$400
Control board replacement
$300$550$900
Full system repair (major)
Multi-component failure
$500$1,200$3,000

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

HVAC Repair in Catonsville, MD: What to Expect

Catonsville sits in the Baltimore metro area, where summers push into the upper 80s with sticky humidity that makes cooling systems work harder than the temperature suggests. Winters near the Chesapeake Bay drop close to 27 F, and that cold cuts deep. That combination wears HVAC systems down fast. Right now, six contractors serve the area with an average rating of 3.4 stars from 165 reviews. For homeowners seeking HVAC Repair in Catonsville, reliable service isn't a luxury, it's what keeps a house comfortable through both seasons.

When something breaks, the cost to diagnose and service a call typically runs between $75 and $200. Replacing a thermostat can set a homeowner back $150 to $500, while a blower motor replacement, one of the more substantial repairs, ranges from $400 to $1100. These numbers reflect what the market bears in this region. Maryland law requires every contractor performing this work to hold a Master HVACR License from the state Department of Labor, which helps ensure a baseline of professional competency.

Looking at what customers actually say, Carver Heating & Cooling draws consistent praise. Their reviews highlight technicians by name, mention professional communication, and note thorough cleanup after jobs. Several reviewers specifically mention same-day or next-day responsiveness. Lee Brothers Contracting also earns high marks, with customers noting fair pricing and their ability to handle complex jobs that go beyond what was initially scoped. Both companies demonstrate the kind of reliability that Catonsville homeowners need when systems fail.

Frequently Asked Questions

HVAC repairs in Catonsville range from $75-$3,500 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.