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SmartHouse

HVAC contractor in St. Louis, MO.

In SmartHouse's own words

SmartHouse Heating and Cooling is a leading provider of HVAC and home performance services throughout the St. Louis area specializing in: • Installation, maintenance, and repair of heating & cooling systems (traditional and geothermal) • Indoor air quality (IAQ) solutions • Energy efficiency upgrades • Solving comfort issues Our focus on exceptional service, quality craftsmanship and bulletproof integrity has been repeatedly recognized by the Better Business Bureau with their TORCH AWARD FOR ETHICS AND INTEGRITY. If you’ve been looking for a trustworthy heating and cooling contractor that provides best-practice craftmanship with integrity, we hope you will consider choosing SmartHouse.

Trade
HVAC contractor
Business address
6921 Olive Blvd, St. Louis, MO 63130
Telephone
(314) 451-5391
Website
callsmarthouse.com
Hours
  • MondayOpen 24 Hours
  • TuesdayOpen 24 Hours
  • WednesdayOpen 24 Hours
  • ThursdayOpen 24 Hours
  • FridayOpen 24 Hours
  • SaturdayOpen 24 Hours
  • SundayOpen 24 Hours

From the business's Google listing, checked Oct 2026

Register
MO register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.

Google Reviews

4.9 (504)

  • I paid roughly $180 for a maintenance check-up with SmartHouse Heating & Cooling—chosen over Hoffman Brothers due to their community reputation. The initial technician, whose name was Shelby, was polite and cleared our AC unit, which has had zero prior issues in seven years. Less than 24 hours later, we woke up to a loud noise. When I called, an emergency assessment was quoted with holiday/overtime rates due to the Labor Day weekend, and the technician I spoke with, Scott, recommended waiting until Tuesday unless we wanted to pay the service charge for overtime. With no way to know if the noise was of any concern, we decided to wait. At roughly 3:00 PM i got a text from our smart thermostat stating our home had been trying to cool for five hours and was unable to; climbing from 76 to 84 degrees upstairs and 82 downstairs. When I called back, Scott was the technician who agreed to come out. He was extremely courteous, but adamant about a $391 emergency charge just to assess the unit. This lack of flexibility to evaluate circumstances when a breakdown happens less than 24 hours after a tune-up is a severe customer service oversight. Discussing the process with Scott and reviewing online Reddit blogs, it is likely the capacitor testing pushed it past its capacity given its 7 year age compelled with their cycling off, testing, and cycling on of the system. If their processes and procedures can cause such issues, it should be made known before services are rendered. Lizz, an associate, later called with a polite apology and stated she was authorized to split the service and capacitor costs and waive the overtime fee. However, upon asking about their process to asses who was at fault, she lacked understanding of how maintenance protocols or testing are performed and whether their procedure could have triggered the failure. The owner, Mark, then called to apologize, admitting the incident was handled poorly, but he neither had any insight to their engineers processes and whether they could be at fault. Mark remarked, "I prefer to hire people more intelligent than I am," implying only senior technicians would know, so I requested a senior technician reply to this Google review as a explanation on whether their process could cause the capacitor to be pushed past its limits through powering down and a restarting surge. I am sharing this because a replacement capacitor for a unit such as ours costs roughly $15 to $25, and thus the bulk of the extra $391 charge is for services they likely caused in the first place. It also took him less than 15 minutes to replace the capacitor. Had I been refunded, I could see how this extremely rare situation was owned and taken responsibility for and builds trust. My review will remain up until I am refunded, however I understand they run a business and may not see the ethical boundary crossed here worth our future business or the cost to their bottom line. I would like to update this post with the fact that I have indeed received a refund. Overall, this shows me that the company does value my business, as well as shows clear, ethical practices that I believe are exactly what university residence value about their company. Although I do not agree that this was not the result of their service, they have made things right. We are our satisfied and I have reflected this in our review score. We will be open to using their company again in the future.

    Harnish A.

  • Alex did an excellent job on my plumbing. He was very professional and explained things very well.

    Toba A.

  • We have a maintenance contract with Smarthouse and have been extremely pleased. During a heat wave our AC died and they quickly replaced our unit. Ryan and George were here for hours working in over 100 degree temps. They were a delight to have in our home and very competent. This is a rare company. 5 Stars plus

    sharon K.

  • A HUGE shout out to Smarhouse!! I went to check in on my elderly father (86) Friday afternoon his house was 89 degrees blowing hot air. Called the office spoke to Jane she was able to get a technician out to have a look at the a/c. Marcus showed up within a few hours and got him back to cool house!! Thank you Jane and Marcus I can’t express how much we appreciate your service.

    Deanna N.

  • I honestly can’t say enough good things about SmartHouse. They are one of the most impressive companies I’ve ever worked with in terms of the quality of their work, professionalism, patience, and customer service. I purchased a new HVAC system from them a couple of years ago, and from the very beginning the experience was outstanding. My building ended up having some unexpected issues that required additional work, and the SmartHouse team was incredibly helpful, patient, and accommodating throughout the entire process. They went above and beyond to make sure everything was done properly. The owner is probably one of the most honest, customer-focused people I’ve had the pleasure of working with. It’s clear that he genuinely cares about his customers and takes great pride in the quality of the company’s work. That level of integrity and commitment is incredibly rare these days. What impressed me even more was their continued support after the installation. Even while I was overseas, they were responsive, helpful, and supportive whenever any issues related to my home’s AC came up. Knowing I could count on them, even from another country, gave me tremendous peace of mind. I’ve truly felt like more than just a customer—I was treated like family. Companies like SmartHouse are hard to find these days, and I’m incredibly grateful for everything they’ve done. I wholeheartedly recommend them to anyone looking for an HVAC company they can trust. You won’t be disappointed.

    Davorka M.

  • I had a great experience with Smarthouse Heating and Cooling. Marc, Kaylee, and Stephanie provided a wealth of information and great customer service. The installers, Ryan and George, did a beautiful job with the installation of my new mini split system.

    Orlando R.

  • Smart House Heating and Cooling-Michael was very friendly and professional. He explained each step of the maintenance process and gave me helpful tips.

    Kelly A.

  • The technicians are always professional and get things addressed efficiently. My parents were long-time customers as well.

    Herbert H.

  • Erik was great! He raised our ac so it will work properly and he was efficient and very polite.

    Patty K.

  • Shelby came out to do our AC maintenance. She was on time, friendly and very efficient. She was very knowledgeable and checked our upstairs and downstairs units and then checked the condensers outside. She did a great job (on a very hot day-UGH) and everything is working great. Having AC these days is such a blessing and also to have a reliable source for maintenance and repairs. Thanks again.

    Lcs

Read all reviews on Google

About SmartHouse

SmartHouse handles installation, maintenance, and repair for heating and cooling equipment, including traditional and geothermal systems. The company also names indoor-air-quality work, energy-efficiency upgrades, and comfort problem solving among its services.

SmartHouse heating and cooling work

Its heating work includes furnace repair, heating repair, tune-ups, gas furnaces, and boiler services. On the cooling side, SmartHouse names air-conditioning repair, maintenance, heat pumps, ductless mini-splits, and installation work.

The company says it has chosen Daikin and Mitsubishi systems for efficiency and reliability. It also advertises rebates, incentives, and financing options for air-conditioner or furnace installations.

Repair, maintenance, and installation in St. Louis

SmartHouse says emergency service is available 24/7. Its posted hours are open 24 hours a day, seven days a week.

Reviews mention maintenance visits, AC replacements, furnace work, mini-split installation, technician explanations, and responsive service during cooling failures.

SmartHouse says its team holds NATE, ENERGY STAR Missouri, and Building Performance Institute certifications.

The company advertises up to a 12-year parts-and-labor warranty on qualifying Daikin equipment.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.

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