What services does Dunn Plumbing, Heating & Air Conditioning, LLC offer?

Dunn Plumbing, Heating & Air Conditioning, LLC offers a wide range of services, including furnace repair and installation, AC repair and installation, water heater installation, tankless water heaters, water softeners, water filters, and more. They also provide indoor air quality solutions such as air cleaners and humidifiers.

What is the service area for Dunn Plumbing, Heating & Air Conditioning, LLC?

Dunn Plumbing, Heating & Air Conditioning, LLC primarily serves the St. Louis, Missouri area, including Ballwin and Chesterfield.

Does Dunn Plumbing, Heating & Air Conditioning, LLC offer financing options?

Yes, Dunn Plumbing, Heating & Air Conditioning, LLC offers various financing options to help customers with the cost of their HVAC and plumbing services.

What is Dunn Plumbing, Heating & Air Conditioning, LLC's maintenance plan?

Dunn Plumbing, Heating & Air Conditioning, LLC offers a maintenance plan that provides regular tune-ups and inspections for both heating and air conditioning systems, helping to ensure optimal performance and energy efficiency.

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Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

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Dunn Plumbing, Heating & Air Conditioning

$5.0M revenue • 25 employees • 6068 Baumgartner Industrial Dr Unit C, St. Louis, MO, 63129, United States

Last Updated Aug 21, 2026

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Company Overview

Company Name

Dunn Plumbing, Heating & Air Conditioning

Address

6068 Baumgartner Industrial Dr Unit C, St. Louis, MO, 63129, United States

Website

dunnheatcool.com

Phone

(314) 476-9606

Approx. Annual Revenue

$5.0M

Employees

Established

2014

Google Reviews

4.8 (60 reviews)

Google Business Category

Plumber

Locations

About Dunn Plumbing, Heating & Air Conditioning

Dunn Plumbing, Heating & Air Conditioning, LLC is a leading HVAC contractor and plumber located in St. Louis, Missouri. Since 2003, the company has been providing a full range of heating, air conditioning, and plumbing services to homeowners in the St. Louis area, including furnace repair and installation, AC repair and installation, water heater replacement, and indoor air quality improvements.

Business Profile

Read from the Dunn Plumbing, Heating & Air Conditioning website on Oct 12, 2026. Hover an item to see the exact wording it came from.

How Dunn Plumbing, Heating & Air Conditioning works

Ownership (as declared by the business)

About the website

Website quality (AI-assessed): 8/10 · Current copyright 2026; Complete service and contact info

Recent changes

What changed on the Dunn Plumbing, Heating & Air Conditioning website and Google listing, as detected by Coldlytics on each visit.

Oct 15, 2026 · St. Louis, MO
Google Business category is now Plumber
Oct 13, 2026 · St. Louis, MO
Google Business category is now HVAC contractor

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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