Heating, AC & Plumbing Services in St. Louis Get it Dunn Right or Your Money Back The Best Price, Fastest Service & Highest Quality 

Plumber & HVAC Contractor in St. Louis, MO

Your Preferred Team for Plumbing , Heating & Air Conditioning Repair, Installation & More

Since 2003, Dunn Plumbing, Heating & Air Conditioning, LLC has been proudly serving the comfort needs of homeowners throughout the St. Louis, Missouri area. Whether you need emergency AC repair, new furnace installation, water heater replacement, or indoor air quality improvements, our team is trained and ready to help.

With a commitment to providing the finest professional service and customer-oriented assistance, we’ve earned a reputation for excellence—and we stand behind everything we do. We’re available around the clock for emergency 24/7 service and provide same-day appointments for most services. We can even provide a free second opinion on condemned equipment and we offer free estimates on all new equipment installations.

Need plumbing, heating, or air conditioning services in St. Louis or the surrounding areas? Contact us to schedule an appointment.

Customers Love Us

See What They Had to Say About Their Experience
  • “Highly Recommended”

    - A Satisfied Customer
  • “Dunn and its team provided optimal customer service.”

    - Juan G.
  • “He made it simple and pain-free.”

    - Elaine S.

Good Quality. Good Price. Good Time.

See What Makes Us Unique
  • Focused on Customer Satisfaction
  • Service All Major Brands
  • Quality Work at the Best Price
  • Financing Options Available
  • Calls are Answered 24/7
  • Locally Owned & Operated Business

Contact Our Team

Schedule Your Service Today
  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please make a selection.
  • Please enter a message.
  • I agree to receive phone, email, or text messages from Dunn Plumbing, Heating and Air Conditioning LLC to the provided mobile number and also agree to the terms and conditions. Message & data rates may apply. Consent is not a condition of purchase. We will never share your personal information with third parties for marketing purposes. Terms and Conditions
  • Angi 2021 Super Service Award