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

We’ll keep your furnace up and running with $99 Precision Tune Up


Did your furnace break down or is your house unbearably cold?

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 all year long.

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

October 21, 2021

When’s the Best Time for Home Upgrades and Maintenance?

Regular HVAC maintenance for your St. Louis home improves efficiency, creates a more comfortable home, reduces the money spent on heating and cooling, and leads to less risk of unexpected (and expensive) breakdowns. At SmartHouse Heating and Cooling, we’re often asked by homeowners, “When is the right time to make upgrades to my HVAC system?” or “What’s the best time Read more...
October 15, 2021

Will Closing Vents in Unused Rooms Save Energy (and Money) This Winter?

Homeowners everywhere look to save money on heating costs every year when the temperatures drop, and St. Louis is no exception! The problem is, some tips for energy savings are good ideas, while others are not! One of the most popular heating myths we hear from people trying to reduce their utility costs is that your monthly heating bill can Read more...
October 13, 2021

Why Insulation and Air Sealing Work Best Together

Every St. Louis, MO homeowner wants their home to be as comfortable and efficient as possible. Proper home insulation is supposed to protect against heat transfer, but moving air undermines its effectiveness. Air sealing keeps your indoor air in, and outdoor air out, improving the efficiency of your insulation. Combining an insulation upgrade with air sealing can increase your home’s Read more...