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Plumbing Services in St. Louis

Top-Quality Plumbing Installations & Repairs in Mehlville, Ballwin, Affton & Beyond

In addition to our extensive heating, air conditioning, and indoor air quality services, we at Dunn Plumbing, Heating & Air Conditioning, LLC are proud to offer a range of plumbing services in Mehlville, Ballwin, Affton, and throughout the St. Louis region. We handle plumbing installations, repairs, and service for a variety of plumbing products and systems, both residential and commercial.

Our plumbing services include the installation and repair of:

Whether you need emergency repairs for your water heater, are interested in installing a new water softener, or need to replace an existing expansion tank, we can help! We stand behind everything we do with our 100% customer satisfaction guarantee.

Call (314) 476-9606 for 24 hour emergency plumbing or contact us online today to make your appointment.

Experience the Dunn Difference

At Dunn Plumbing, Heating & Air Conditioning, LLC, we are committed to providing our customers with the highest level of quality workmanship and service, all at a fair and affordable price.

We are proud to offer:

  • Free estimates on new system installations
  • Waived service fees with repairs
  • 24/7 emergency repairs and service
  • Same-day appointments
  • Payment plans, coupons, and financing options
  • A 100% satisfaction guarantee
  • A 100% money back guarantee

Our highly awarded team is committed to getting the job done right. In fact, if you’re not completely happy with our work, we’ll resolve the issue or give you your money back—no questions asked.

Call Today - 24 Hours, 7 Days a Week

If you need plumbing services anywhere throughout the St. Louis area, including plumbing system or fixture installation, get in touch with the expert team at Dunn Plumbing, Heating & Air Conditioning, LLC. We look forward to serving you!

Reach out to us at (314) 476-9606 to book your service with our St. Louis plumbing company.

Customers Love Us

See What They Had to Say
  • “First of all, I've been using this company for years and since they continually serve me well I decided to post online. Brett and his team are extremely knowledgeable of HVAC. He showed me how to save ...”

    - A Satisfied Customer
  • “Brett with Dunn installed a new HVAC system in my home in December of 2010. He presented several options to me, along with rebates, incentive programs and financing options. We chose to install a ...”

    - A Satisfied Customer
  • “Dunn replaced a water heater and an AC/heat unit. Dunn and its team provided optimal customer service. Brett was detailed about the unit’s function and most importantly, the TOTAL cost, which ...”

    - Juan G.
  • “Last year we found out we needed a new AC unit but waited until this year to fix it. We went through Home Depot to find a place and they gave us Dunn Heating & Cooling. I am glad they did. Scott came ...”

    - Elaine S.
  • “Brett is very knowledgeable in this field and is a great problem solver. He was able to fix our system cheaper and with better quality than the other companies who had looked at the same system. Out ...”

    - Paul W.
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