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Dundalk, MD

HVAC Contractors in Dundalk, MD

11 HVAC contractors in Dundalk, Maryland, with Google ratings, hours and websites where the business has them.

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11 HVAC contractors serving Dundalk

Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

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11 of 11 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.

Top rated

Highest-rated hvac contractors in Dundalk

Ranked by Google rating, then review count. Only businesses rated 4.5 or higher with 5+ Google reviews qualify.

  1. Pinnacle Heating & Air Conditioning

    4.8191 Google reviewsVerified

  2. Reliability Home Services

    4.7531 Google reviewsVerified

  3. ABC Cooling & Heating LLC

    4.6235 Google reviewsVerified

See every hvac contractors in Dundalk sorted by rating · Best of Dundalk across every trade

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Compare quotes in Dundalk

11 HVAC contractors serve Dundalk, MD. 3 are rated 4.5 or higher on Google. 4 have a website.

Verified on Google
3
Average rating
4.7 / 5
Google reviews
957

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Page One Partner Research

How HVAC contractors in Dundalk compare

HVAC ContractorsDundalkMDU.S.
Average Google rating (10+ reviews)—4.74.69
Median Google reviews2352225
Reviews for the top quarter383+102+108+
Have a website36.4%64.5%60.6%

Businesses listed in our directory, not every business in the market. Updated October 2026. HVAC Contractors industry report · What is a good rating for HVAC contractors? · Best cities for HVAC contractors

From Page One Partner Research

  • In Dundalk, half of the HVAC contractors we list with reviews have 235 or fewer Google reviews, and 383+ puts one in the local top quarter (11 listed in our directory). HVAC Contractors industry report
  • A good Google rating for HVAC contractors: in our directory, the median is 4.8 and at least a quarter hold a perfect 5.0. Half of them have 25 or fewer reviews. What is a good rating for HVAC contractors?
  • Maryland businesses in our directory average 4.56 stars on Google, ranking 13 of the 50 states we measured; 28.3% list no website. Ratings in every state

Quick answers

Who serves Dundalk?

Names and Google ratings, straight from each business's profile.

Which HVAC contractors serve Dundalk, MD?

11 HVAC contractors serve Dundalk, MD. Highest rated (10+ reviews): Pinnacle Heating & Air Conditioning (Verified, rated 4.8 on Google from 191 reviews), Reliability Home Services (Verified, rated 4.7 on Google from 531 reviews) and ABC Cooling & Heating LLC (Verified, rated 4.6 on Google from 235 reviews), plus 8 more.

How many HVAC contractors serve Dundalk, MD, and how are they rated?

11 HVAC contractors serve Dundalk, Maryland. 3 are rated 4.5 or higher on Google. 4 have a website. ZIP codes covered: 21222.

Which HVAC contractors in Dundalk, MD have the most Google reviews?

Reliability Home Services (531 reviews, rated 4.7), ABC Cooling & Heating LLC (235 reviews, rated 4.6) and Pinnacle Heating & Air Conditioning (191 reviews, rated 4.8). Review counts are read from each business's Google Business Profile.

HVAC Contractors near Dundalk

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FAQ

Questions about Dundalk businesses

How businesses get here and how up to date everything is.

Yes. Page One Partner is a free directory of local service businesses across the United States. It costs nothing to search, and nothing for a business to be listed. Each profile is built from the business's public Google Business Profile, and an owner can claim, update or hide theirs at any time by contacting info@pageoneinsights.com.

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