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Air Conditioning Service in St. Louis, MO

Specializing in AC Maintenance, Repair, Installation & More

During Missouri’s hot, humid summer season, your comfort is incredibly important. On both sides of the river through St. Louis, the heat and humidity needs to be controlled by a reliable air conditioner, which means you need a trusted air conditioning company for all your AC repair, AC installation, or AC tune-up needs.

Air conditioner services shouldn’t be too costly either; our air conditioning technicians are highly trained, NATE-certified AC experts who will get your air conditioner fixed fast. Whether you own a central air, a ductless mini-split AC, a rooftop air conditioner, or any other type of device that gives air conditioning, we have the tools and expertise needed to help you.

Schedule top-notch repair, replacement, maintenance, or any other service relating to your air conditioning in St. Louis, Affton, or any of the surrounding areas by calling (314) 476-9606 or contacting us online today!

How We Can Help

At Dunn Plumbing, Heating & Air Conditioning, LLC, we specialize in:

  • New construction (residential or commercial)
  • Air conditioning repairs for any brand
  • Commercial or residential air conditioning services
  • Mechanical systems design
  • System concept and budgeting
  • LEED and energy evaluation
  • Sheet metal/ducting fabrication

We also are proud to offer:

  • After-hours appointments and emergency hours
  • 100% satisfaction guarantee
  • Qualified, background-checked technicians
  • Upfront pricing
  • Payment plans and financing
  • Free estimates on installations
  • Service fees waived with repairs
  • Free second opinions

Professional AC Repairs in St. Louis & Beyond

In the greater St. Louis area, the heat and humidity can be extremely hard on an air conditioner, not to mention our health. At Dunn Plumbing, Heating & Air Conditioning, LLC we realize how important your comfort is, so our AC repair technicians are available 24/7 for any type of air conditioning repair. We only send highly trained and certified AC repair technicians because our customers on both sides of the river deserve quick and inexpensive AC repair service. Our technicians will wear booties in your home and an ID badge, and we background check all of our technicians for your safety. Just look at our reviews and you will realize we are the best value in air conditioner repair service!

Air Conditioner Installation

The most critical day for your air conditioner is the day it is installed. Studies show the majority of air conditioners are not installed correctly. This means most homeowners are not getting maximum efficiency, comfort, and longevity out of their air conditioning installation. If the air conditioner is either oversized or undersized, the homeowner will not get proper humidity or heat removal.

We ensure your air conditioning installation gives maximum benefits. Our NATE-certified air conditioning technicians will also ensure you get the maximum return on your investment. With Dunn Plumbing, Heating & Air Conditioning, LLC, our 100% satisfaction guarantee for all our air conditioning services ensures value and peace of mind.

What Are the Advantages of AC Maintenance Plans?

Your air conditioning system in St. Louis is essential to keeping your home cool and comfortable during the hottest months of the year. That’s why it’s important to consider signing up for an AC maintenance plan, which can give you peace of mind about both the protection and performance of your system for years to come.

Here are 10 key advantages of an AC maintenance plan:

  • Receive scheduled service reminders
  • Count on priority service every time
  • Enjoy discounted pricing on parts & labor
  • Maximize the output of your system
  • Save money by boosting energy efficiency
  • Extend the lifespan of your equipment
  • Identify & correct problems at their source
  • Enhance indoor air quality & reduce allergens
  • Partner with technicians familiar with your system
  • Be confident your equipment is in working order

Your maintenance plan can help you get out in front of AC repairs or replacements early on and keep your system working properly all summer long. Contact our team to learn more about our air conditioning services in St. Louis, MO!

When you need trusted AC services in St. Louis or the nearby areas, contact Dunn Plumbing, Heating & Air Conditioning, LLC. Call (314) 476-9606 today!

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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