Lake St. Louis

Design Aire Heating & Cooling - the top HVAC company in St. Louis - yard sign in front of a home

Lake St. Louis, MO Heating & Cooling

When something goes wrong with your heating or cooling system, you want prompt, reliable service from an HVAC company you can trust. Design Aire has been serving the people of Lake St. Louis and the surrounding communities for more than 100 years. We can quickly and accurately diagnose the problem and perform the necessary repairs.

You can count on us for timely service provided by knowledgeable technicians who are honest, trustworthy, and transparent.

Contact the HVAC Experts of Lake St. Louis: 314-739-1600

Contact the HVAC Experts of Lake St. Louis:

314-739-1600

HVAC Services Lake St. Louis, MO

At Design Aire, heating, ventilation, and air conditioning services are our specialty. Our team is knowledgeable in the different systems, equipment, and technology involved in indoor temperature regulation to improve comfort. Whether it is hot or cold, if your furnace or AC unit is not working properly, our technicians are here to help.

Lake St. Louis, MO Air Conditioning Repair

When summer temperatures arrive, it is essential to your family’s comfort and well-being to keep your air conditioning system performing efficiently. If your AC unit is not cooling your home as it should, it may be time for a tune-up, maintenance, or repairs.

Our experienced technicians work with all makes and models of air conditioners. And, if you happen to have a Trane system, we know them very well; we are the number one Trane dealer in the Midwest and the largest in the state of Missouri.

Lake St. Louis, MO Furnace Repair

You rely on your furnace to keep you warm when the cold season sets in. If your furnace breaks down during the colder months, it can make conditions in your home almost unlivable. Our skilled HVAC technicians provide reliable furnace repair and maintenance services.

Lake St. Louis, MO Air Conditioning Installation

Our team of technicians focuses on integrity, not sales of products not suitable for your situation. If your malfunctioning AC unit is repairable, we will quickly and accurately diagnose the problem and perform the necessary repairs.

On the other hand, if your unit is completely out of commission, we will tell you when replacement is your best option. We have the right equipment and experience to install a new, efficient, reliable air conditioning system.

Lake St. Louis, MO Heating Installation

Like all household equipment, a furnace has a shelf life. It will not last forever. If your heating system is no longer capable of efficiently warming your home during the winter months or breaks down beyond repair, it may be time for a replacement. Our technicians can install a high-quality Trane furnace to keep your home warm all winter long for many years to come.

Contact us for all of your HVAC service needs!

At Design Aire, we have been recognized with multiple service awards from both customers and the industry. We were awarded the Golden Compressor Award by Trane as their number one dealer in the state and the entire Midwest region in 2015. We won the Angie’s List Super Service Award for a consistently high level of customer service in a recent year.

We offer skilled, reliable HVAC service and quality HVAC products designed to suit your needs. Contact us today to schedule a service call for repairs or to install a new air conditioner or furnace.

APPLY FOR FINANCING
Financing is provided with approved credit by Wells Fargo Bank, N.A., an Equal Housing Lender.
Design Aire offers special financing with approved credit with this secure application:

Get Wells Fargo Financing ApplicationGet Wells Fargo Financing Application

Customer Testimonials

“Seth was our salesperson. He listened to our needs and provided the right product at the right price. The installation team arrived on time and went right to work.They worked with confidence and professionalism.We appreciated the care in protecting our floors and even the choice of how they went up on the roof indicated that they really did care. This company did what they said they would and certainly has our vote of appreciation and gratitude. We will happily recommend Design Aire to anyone.”
Ken L.

“One of the best companies to work with. My own profession is in a service industry and so I very much appreciate all the positive things about Design Aire.
The install crew arrived right on time and took exactly how much time they said they would to complete the job. The work was done well, the crew cleaned up after themselves, and were very pleasant. Seth in the office was extremely in-tune to our needs and very responsive.
I would highly recommend Design Aire.”
Heather H.

“Our new HVAC system was installed yesterday and we could not be happier. From quote to completion the process was great! 100% would recommend!”
Greg H.

“We have used Design Aire for both a new furnace two years ago and a new AC unit this summer. Everything was done very professionally and quickly. I would not hesitate to recommend them to anyone needing any type of HVAC work done.”
Sean K.

“Design Aire was the best choice from start to finish. Design Aire gave me the best price with the most detailed quote. The service technicians were very friendly and completed the job ahead of time. I highly recommend Design Aire.”
John K.

“We've used them for our old house and our new house. They are honest, friendly, professional and affordable. We felt lucky to find them.”
Maddy R.

“I was very impressed with Design Aire. They were timely and did an outstanding job with the installation of my new furnace. They had great communication and went above and beyond. I would highly recommend them to friends and family. Thank you so much Seth and Design Aire for making this an effortless transaction. VERY PLEASED!”
Jonny M.

“Design Aire sent a salesman to plan the system, and just a couple of days later sent the installers to remove the old system and install the new one. Everything happened when they said it would and the system performs as they said it would. All of the Design Aire staff were courteous, the work was performed efficiently and neatly, and they left the area cleaner than they found it. This is the second unit Design Aire has installed for us, and I have no need to look elsewhere.”
Dan L.

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