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  • Written by
    Max Peterson
  • Fact Checked
  • Updated

Dundalk is no stranger to extreme heat, further intensified by the thick outdoor air. In the summertime, top-performing air conditioners (ACs) are indispensable for local homeowners. To stay ahead of AC repairs in Dundalk, read up on these top-tier local businesses.

Whether it's simple repairs or a full replacement you need, This Old House recommends starting your AC repair company search with these highly-rated Dundalk providers.

10 Best AC Repair Companies in Dundalk

Brands are algorithmically curated from a database of local service providers near you. We require a minimum number of Google reviews and average ratings for provider inclusion.

Top Rated Provider
At Your Service Heating and Cooling LLC Logo
Top Rated

At Your Service Heating and Cooling LLC

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 521 reviews


6801 Eastern Ave # 209, Baltimore, MD 21224

(410) 935-3037

aysheatandcool.com
Albright's Mechanical Services Logo

Albright's Mechanical Services

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 350 reviews


11 S Marlyn Ave, Essex, MD 21221

(410) 834-0148

www.albrightsmechanical.com
Amazing Heating & Air Conditioning, Inc Logo

Amazing Heating & Air Conditioning, Inc

5/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 1071 reviews


2630 Georgetown Rd, Baltimore, MD 21230

(410) 864-9280

amazinghvac.com
Beltway Air Conditioning & Heating Logo

Beltway Air Conditioning & Heating

4.8/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 297 reviews


1587 Sulphur Spring Rd #109, Arbutus, MD 21227

(443) 727-1399

beltwayhvac.com/hvac-services-arbutus...
Contemporary Air Systems, Inc. Logo

Contemporary Air Systems, Inc.

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 188 reviews


613 Eastern Blvd, Essex, MD 21221

(410) 391-3070

www.callforair.com
Beyond Cooling LLC Logo

Beyond Cooling LLC

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 67 reviews


3922 Vero Rd Rear L, Halethorpe, MD 21227

(410) 973-7821

www.beyondcooling.net
Cozy Heating & Cooling, LLC Logo

Cozy Heating & Cooling, LLC

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 99 reviews


4420 Hillside Ave, Baltimore, MD 21229

(443) 438-0476

keepingyoucozy.com
A Supreme Heating & Air Conditioning Logo

A Supreme Heating & Air Conditioning

4.7/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 226 reviews


152 Blades Ln, Glen Burnie, MD 21060

(410) 588-0163

www.asupremeheatair.com
Maryland Heating & Air Logo

Maryland Heating & Air

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 232 reviews


1 Mace Ave, Essex, MD 21221

(855) 410-8324

www.marylandhvacr.com

Paramount Heating & Air Conditioning LLC

4.6/5

Ratings are based on our detailed proprietary methodology and review standards.

Based on 177 reviews


4 Nashua Ct Bay 16, Baltimore, MD 21221

(410) 650-4031

www.paramounthvac.com

Facts about Dundalk

  • Average Max Temp Percentile:
    60%
  • August Average Max Temp:
    84°F
  • Climate Zone:
    Mixed Humid
  • Average Energy Cost:
    0.12/kWh
  • Median Year Houses Built:
    1965
  • Average Heat Waves per Year:
    0.45

Common Types of Air Conditioners

By knowing which type of air conditionerunit you have, you'll feel more empowered in your company search. Dundalk HVAC contractors have experience with different AC makes and models, and they can customize their skills to your needs.

  • Central AC: These are the most common residential AC systems, offering consistent, precise temperature control. They feature a central unit that cools air from outside, purifies it, and sends it through ducts to various rooms in your home.
  • Portable air conditioners: As the name implies, portable AC units don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're popular for apartments, condos, or individual rooms.
  • Ductless mini-split: Ductless mini-split ACs have an outdoor unit and multiple interior units, with no ductwork required. They offer higher energy efficiency, flexible installation options, and individual room temperature control.
  • Window-mounted ACs: Window air conditioners are a popular choice for Dundalk townhomes, apartments, and condos. These compact, affordable units are designed for cooling small spaces and single rooms, and they fit snugly in a window frame or dedicated wall slot. Many window-mounted AC users set up their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Split ACs: Split ACs have two main elements: one inside and one outside. They provide silent operation, improved energy efficiency, ductwork options, and more cooling capability versus mini-splits.

How to Choose Your Dundalk AC Repair Service

While you might want to resolve your AC issue quickly, you should do your research before signing a contract with a repair service. Take the following steps to ensure you find the most reliable company for your home.

Confirm the Company Is Properly Licensed and Insured

Maryland HVAC contractors need licensure from the Board of Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) Contractors. A master license requires three years of journeyman experience, 1,875 hours of HVAC work performed in the last year, and a comprehensive trade exam.

You should also check a company has sufficient liability coverage, even if your state doesn't require it. Choosing an insured company will protect you if accidents happen during work.

Read Customer Reviews

Read customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB recognizes businesses that resolve complaints professionally and honor their warranties.

It's common for even the best AC repair businesses to have both positive and negative reviews. Read each one carefully, and avoid a company if most reviewers had subpar experiences.

Compare Estimates

Obtain at least three detailed, written estimates from different companies for the best value. A good estimate should factor in additional fees such as permitting costs. You should also ask about manufacturer warranties, the emergency repair process, and installer guarantees.

Frequently Asked Questions about AC Repair in Dundalk

Sources

FEMA

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