The Trusted St. Louis HVAC Contractor

If you’re looking for a trustworthy heating and cooling contractor that provides best-practice craftsmanship with integrity, then you’ve come to the right place! Our only goal is your 100% satisfaction when it comes to living in a more comfortable, energy efficient home in the St. Louis area and beyond.

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Take a look at the latest deals and promotions that can help you save on your next HVAC, IAQ, or Home Performance upgrade.

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Financing available so you can address your heating and cooling needs as they arise.

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HVAC Services

Stay cool. Get cozy. Our heating and cooling services keep you comfortable all year long.

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Indoor Air Quality

Breathe easy. We make sure the air in your home is clean and safe.

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Improve My Comfort

Turn your home into the oasis it can be.

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Energy Efficiency

Be green, save green, and be comfortable.

Energy Audits, Heating and AC Repair and Replacement in St. Louis

Finding a heating and cooling contractor near you that you can trust is one thing, and often times finding a contractor that is available 24/7 is another. Fortunately for homeowners throughout the greater St. Louis area, SmartHouse makes it our day to day business to be both for our customers! The NATE, ENERGY STAR Missouri, and Building Performance Institute certified team at SmartHouse is dedicated to finding the right solutions for your home comfort, saving you energy and increasing the health of your indoor environment.

From AC Replacement & Furnace Repair to Insulation & Air Sealing

SmartHouse offers an extensive array of heating, cooling, diagnostic, and improvement services for both existing homes and new construction jobs. Not only can we repair and maintain any make and model of air conditioner, heat pump, boiler, or furnace, we can also diagnose your home performance issues through a comprehensive energy audit, then recommend the right home improvements to reduce your heating and cooling needs. From there, we can handle your AC and furnace replacement with new equipment that is perfectly sized, to save you money on your energy bills for years to come!

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The Best Equipment, The Best Price

Homeowners make the Smart Choice because they know we stand behind our work, and because SmartHouse is dedicated to delivering reliable quality at the best possible price. We always offer multiple options for improving the efficiency and affordability of your home, like innovative Daikin, Carrier and Mitsubishi systems. But you can rest easy, knowing your home comfort needs will always take precedence over any kind of sales quota. We can even reduce the cost of your AC or furnace installation through our list of rebates, incentives, and financing options!

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Award-Winning, Trusted Experts in St. Louis Home Comfort

The SmartHouse team is a proud recipient of the BBB Torch Award for outstanding ethics and integrity. The BBB Torch Award speaks to our shared mission of providing the community with trustworthy and reliable HVAC and home performance services. Learn more about our commitment to keeping the Greater St. Louis community safe and comfortable and our mission to bring accessible, energy-efficient heating and cooling solutions to all homes in the area or call us now at 314-270-1545.

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SmartHouse is Available 24/7

At SmartHouse, our knowledge, training, positive attitude toward service, and business ethics makes us the “Smart Choice” for all of your heating, cooling, efficiency, and comfort needs. However, you don’t just need our expertise during “usual” business hours — when you need emergency HVAC services, you need them right away! When you call SmartHouse, you will:

Speak to a live person, any hour of any day

Get access to emergency HVAC service 7 am - 10 pm, 7 days a week.

Jennifer AdamsJennifer Adams
14:40 16 Jun 22
SmartHouse: SmartServiceman! I contacted SmartHouse about servicing my AC unit only to learn it would be a week before they had an opening on the calendar for me. The next day, I received a call... letting me know that due to a cancellation, they could have someone at my home that afternoon. Marcus called me when he was 15 minutes out, and when he arrived, he immediately got to work. He explained a few things to me, made some helpful suggestions, made sure I had a clean filter, he even sprayed a wasp nest lurking around the window next to my front door, and he witnessed my Rottweiler repeatedly opening the door trying to see why we were standing outside of his garage. Marcus did what he needed to do to get the job done, and was on his way within about 35 minutes; he was very professional, knowledgeable and personable. I appreciated how informative and polite Marcus was with me, and I will personally request him as my serviceman each time I need to contact SmartHouse.Thank You, Jennifer!read more
Scottie PriesmeyerScottie Priesmeyer
20:06 31 Mar 22
Dave Essner is the BEST! He's been my technician for the past nine years, is efficient and friendly. I highly recommend Dave.
Melissa PostenMelissa Posten
14:43 23 Mar 22
We originally found SmartHouse several years back when we were looking for a company to do an energy audit of our 120-year-old home. Because of the audit they did, we hired them to do the recommended... work, and saw a near-immediate change for the better in our energy bills. We've used them as our seasonal HVAC company ever since. This week they installed a new a/c unit, furnace, and two programmable thermostats in our house, fixing some not-up-to-code stuff they found along the way and generally just making everything work so much better. Their employees are also always on time, friendly and funny, and give good, honest advice about your system. We highly, highly recommend them!read more
Mary Ann KondroMary Ann Kondro
15:46 12 Nov 21
I was very satisfied with the installation of a new furnace performed by Smart House. The installation was done in the attic, and included some tricky maneuvers to first remove the old unit. I... witnessed the crews' problem solving and their ease and confidence and use of additional manpower called in, to be successful with it.The installation of the new furnace was done efficiently, communication with me on their progress was consistent, and the prep work and clean up involved with keeping my main floor hardwoods and carpeting protected up three flights of stairs was appreciated!!Overall, the crew did an excellent job. They had a great work ethic, were on time for the appointment, and were professional and yet pleasant in their interactions with me. I would hire SmartHouse again in an instant.(I should add that the company owner actually came to my house months before the installation and must have spent 45 minutes helping me to understand my options about what seemed to be my failing furnace. This was free of charge but definitely aided me in making the decision to use their services.)read more
Jeff BarwickJeff Barwick
00:32 17 Sep 21
Matt Gunn is the best. Competent , personable and professional.
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Latest Blog Posts

September 2, 2022

Why Choose Daikin?

Here at SmartHouse Heating and Cooling, we take pride in our daily commitment to providing homeowners throughout the greater St. Louis area with home heating and cooling equipment tailored to their unique needs. With the hot, humid summers and cold, damp winters we see every year, our team of licensed and NATE-certified HVAC technicians require a line of air conditioners, Read more...
August 4, 2022

Why Is My Upstairs Too Hot?

It’s a hot and humid summer day, and you’ve just finished working out in the yard. You walk into the kitchen to grab a cool glass of water and let your air conditioner do its job cooling you down, but as you head upstairs to change your clothes you notice the cool air from your ground level is slowly turning Read more...
July 17, 2022

5 Reasons Your AC Won’t Turn On

When you’re waiting for the cool air to come out of your AC vents in the middle of a hot summer day, the heat and the humidity can feel especially stifling. If your air conditioner is malfunctioning, leaving you panicked, sweaty, and scrambling for AC repair near you, here are a few reasons your cooling system may be failing. 1. Read more...