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.

Spring Cooling Specials!

$1450 INSTANT REBATE ON DAIKIN FIT VARIABLE CAPACITY SYSTEM
PLUS $1,325 in Utility Rebates
From Ameren & Spire
PLUS NO REPAIR COST until 2036*

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Only $69*

Cooling Repair Diagnostic Call

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Only $89*

Preventive Maintenance

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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 Comfort

Turn your home into the oasis it can be.

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Energy Efficiency

Be green, save green, and be comfortable.

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 Zoning & Home Performance Services

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 analysis of your home, 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, we're here to cater to your schedule. When you call SmartHouse, you will:

Speak to a live person, any hour of any day

Get access to emergency HVAC service 8am - 7pm Weekdays; 8 am to 5pm Weekends & Holidays.

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Latest Blog Posts

March 5, 2024

2024 HVAC Rebates and Tax Incentives – What to Know

2024 HVAC Rebates and Tax Incentives – What to Know. In 2024, homeowners looking to upgrade their HVAC systems have a plethora of rebates and tax incentives to consider, thanks to federal initiatives aimed at promoting energy efficiency and the transition to cleaner and more efficient energy sources. These incentives are designed to reduce the overall energy costs for homeowners Read more...
March 5, 2024

HVAC Technology Spotlight

HVAC Technology Spotlight. The HVAC industry has seen remarkable advancements over the years, significantly enhancing the way we heat, cool, and enjoy our St. Louis homes. Today, homeowners have at their disposal a variety of innovative technologies that not only promise improved comfort but also higher efficiency and lower monthly pills. Understanding these technologies is crucial for making informed decisions Read more...
March 5, 2024

The Pros and Cons of Repairing vs. Replacing an Aging AC System

The Pros and Cons of Repairing vs. Replacing an Aging AC System. When faced with an aging air conditioning system, St. Louis homeowners are often caught in a dilemma: should they repair the unit to extend its life, or replace it entirely for a more efficient and reliable solution? Deciding whether to replace your HVAC unit or repair it not Read more...