Assured Heating and Cooling of St. Louis

Assured Heating and Cooling of St. Louis We offer top-notch residential HVAC services in St. Charles, MO. Warranty included with all services.

Residential Heating and Cooling specialist

About Us

Reliable HVAC Professionals

Whether you need a maintenance check or an emergency repair on a heating or cooling unit, we are available to handle all of your heating, cooling, and ventilation needs. We strive to exceed your expectations by ensuring that each of our clients receives individualized service. Individualized HVAC Options

We will w

ork with you to find HVAC solutions that fit your heating and cooling needs. We will provide you with a full consultation to explain all of your available options so that you can choose the system that’s right for your home or business. Customer Satisfaction Guaranteed

We serve residential heating and cooling equipment and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to delivering exceptional service to provide you with top quality service.

01/30/2026

As we bundle up and brave the chilly temps, remember: layers are your best friend, and hot drinks are the ultimate survival kit! Stay warm, everyone, and embrace the cozy vibes.

What’s your go-to winter warm-up?

Freeze warning — look out for each other! - Dress warm in layers; cover head, hands, feet. - Check on elderly, infants...
01/25/2026

Freeze warning — look out for each other!
- Dress warm in layers; cover head, hands, feet.
- Check on elderly, infants, and neighbors who live alone.
- Keep heaters safe (no indoor generators) and protect pipes.
Need a hand? Call or visit — one check can save a life.

Brrr — Arctic vibes outside, but inside? Cozy victory. ❄️🔥Woke up to bone-chilling temps and frosty windows, but the hea...
01/23/2026

Brrr — Arctic vibes outside, but inside? Cozy victory. ❄️🔥

Woke up to bone-chilling temps and frosty windows, but the heater kicked on like a champ. That warm, steady hum + a steaming mug = survival mode activated. If you’re battling the freeze, check filters, bleed radiators (if you have them), and keep a towel under drafty doors. Stay warm, stay safe — and enjoy that little slice of indoor comfort when the world turns into a popsicle.

Merry Christmas to all of our customers. We would just like to say how much we appreciate every single one of you. Here'...
12/25/2025

Merry Christmas to all of our customers. We would just like to say how much we appreciate every single one of you. Here's to a new year and 2026.

💡 Did you know? On August 1st, we celebrate Back to School Day, but also the day Willis Haviland Carrier invented modern...
08/01/2025

💡 Did you know? On August 1st, we celebrate Back to School Day, but also the day Willis Haviland Carrier invented modern air conditioning in 1902! His breakthrough revolutionized comfort in homes, schools, and businesses, making today’s climate control possible. Thanks to Carrier, learning and working environments stay cool and comfortable year-round!

Is there someone in your home that controls the thermostat? 😂Let us know what you have your thermostats set to in the Su...
07/29/2025

Is there someone in your home that controls the thermostat? 😂
Let us know what you have your thermostats set to in the Summer!

07/26/2025

Celebrating our 5th year in buisness. Thank you for your continuing support. We could never have made it this far without you. 🙏🤗🎉

07/24/2025

Here are some HVAC Fact or Myth! Let us know in the comments what you think which one is! 🤔

1) Bigger is better when it comes to your Condenser and Furnace.

2) A new HVAC system will increase the value of my home as I’m getting ready to sell.

3) HVAC equipment matters less than insulation and windows.

4) If you know the square footage of a home, you can give an accurate estimate.

Did you know how an HVAC System Works? Homeowners ask us questions all the time that we happily answer about their syste...
07/21/2025

Did you know how an HVAC System Works? Homeowners ask us questions all the time that we happily answer about their systems. Here's an easy diagram of it all to look over!

Huge Thank You to Our Amazing Team!I just want to take a moment to express my sincere gratitude to our team. The heat th...
06/26/2025

Huge Thank You to Our Amazing Team!

I just want to take a moment to express my sincere gratitude to our team. The heat this week has been brutal—and it’s only the beginning of summer—but that didn’t slow anyone down.

Since Monday, we’ve installed and repaired systems in 79 homes. That’s an incredible number, especially considering the challenging conditions. I’m so proud of what we’ve accomplished together.

Danielle, Gene, Alex, Ayden, Jason, Elizabeth, Betty, Amanda and myself—every single one of you stepped up. We stayed late, never turned down a single job, and kept pushing forward with professionalism, determination, and a can-do attitude.

You’ve all been absolutely amazing, and I couldn’t ask for a better team.

Big thank you to each and every one of you!

Address

400 North 5th Street
St. Charles, MO
63301

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+13146515969

Website

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