Worried about your home keeping up with the St. Louis summer?

We’ll keep your AC up and running with $35 off Any Cooling Repair Service


Did your AC break down or is your house unbearably hot?

We’ve got your back. SmartHouse has representatives available 24/7 to schedule emergency repairs when you need them.



Been considering how healthy the air in your home is?

We’ve got customized indoor air quality solutions for every home. 



Your heating and cooling system are just one part of your whole home comfort

We’re here to keep you comfortable. 

10% off All Insulation and Air Sealing Services up to $200


We want your home comfortable and your bills low—but most importantly, we want you happy! 

Customer service is priority #1.


Save $1,000 on a new, efficient, Daikin System.

6 months zero interest, zero payments, and more.

Ten year loan begins at 9.99% after initial 6/mo period. 12 year warranty



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The Trusted St. Louis HVAC Contractor

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, 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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SmartHouse is Available


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.

Schedule Now

Latest Blog Posts

August 19, 2021

SmartHouse’s AC Emergency Breakdown Checklist

It can be tempting to pick up the phone and schedule emergency AC repair the second your cooling system stops working. But while SmartHouse is here to get your HVAC back on track 7 days a week, we’d also like to save you the cost of a visit from an HVAC contractor for your St. Louis MO home! (View as Read more...
July 21, 2021

Where Does Indoor Air Pollution Come From?

Indoor air is more polluted on average than outdoor air. But while many people think of car exhaust pipes or factory chimneys when they think about air pollution, neither of those are in our homes. So what are the different kinds of indoor air pollution, where do they come from, and how harmful are they? (View as a downloadable PDF Read more...
June 30, 2021

Fact or Fiction: The Importance of AC Maintenance

There are two things every homeowner with central air conditioning in St. Louis wants out of their system: reliable operation and affordable cooling bills. The last thing you want in your Brentwood, Ladue, or Kirkwood home is to find yourself in the middle of a Missouri heatwave – either without AC because of an unexpected breakdown or stuck paying astronomical Read more...