About this business
From AC and furnace installations to water heater repairs, mini-split systems, and electrical upgrades, our expert technicians bring years of experience and a commitment to quality, efficiency, and customer satisfaction. Whether you're looking for routine maintenance, emergency repairs, or energy-efficient system upgrades, Cornerstone Comfort Solutions has you covered.
Services We Offer:
HVAC Installation & Repair (Furnaces, AC, Mini-Splits)
Plumbing Services (Water Heaters, Tankless Systems, Leak Repairs)
Electrical Services (Panel Upgrades, Wiring, Smart Home Solutions)
Indoor Air Quality Solutions
Proudly Serving: Troy, Moscow Mills and surrounding areas.
Products and Services
Cornerstone Comfort Solutions Products & Services
At Cornerstone Comfort Solutions, we provide expert HVAC, plumbing, and electrical solutions for homeowners and businesses in St. Charles County, MO. Our highly skilled team ensures quality workmanship, energy efficiency, and long-lasting comfort with every service we provide.
Heating Services
Stay warm and cozy all winter with our comprehensive heating solutions.
Furnace Installation & Replacement – We install high-efficiency gas and electric furnaces from trusted brands like Goodman, Lennox, and Friedrich.
Furnace Repair & Maintenance – Fast and reliable repairs to restore heat and prevent future breakdowns.
Heat Pump Services – Energy-efficient heating and cooling solutions for year-round comfort.
Ductless Mini-Split Systems – Perfect for homes without ductwork or for room-specific heating.
Boiler Services – Installation, repair, and maintenance of residential and light commercial boilers.
Cooling Services
Beat the Missouri heat with our top-tier air conditioning services.
Air Conditioner Installation & Replacement – We install energy-efficient central AC systems, heat pumps, and mini-splits.
AC Repair & Maintenance – Keep your system running efficiently with expert diagnostics and seasonal tune-ups.
Ductless Mini-Split Systems – Perfect for homes or businesses needing zoned cooling.
Indoor Air Quality Solutions – Air purifiers, humidifiers, and dehumidifiers to keep your home’s air clean and healthy.
Plumbing Services
From leaks to installations, our licensed plumbers handle it all.
Water Heater Installation & Repair – We install and service traditional and tankless water heaters from State and Rinnai.
Tankless Water Heater Upgrades – Save energy and get endless hot water with a high-efficiency tankless system.
Leak Detection & Pipe Repair – Fast solutions for burst pipes, leaks, and water damage prevention.
Drain Cleaning & Clog Removal – Keep your drains flowing freely with professional cleaning services.
Sump Pump Installation & Repair – Prevent basement flooding and protect your home from water damage.
Fixture Installation – Upgrading sinks, toilets, faucets, and showers for improved efficiency and style.
Electrical Services
Reliable and safe electrical solutions for homes and businesses.
Electrical Panel Upgrades & Repairs – Ensure your home can handle modern electrical demands.
Wiring & Rewiring Services – Safe and code-compliant wiring for renovations, new installations, or upgrades.
Outlet & Switch Installation – Adding or replacing standard and GFCI outlets for improved safety.
Smart Home Solutions – Smart thermostats, lighting, and home automation systems.
Whole-Home Surge Protection – Protect your appliances and electronics from power surges.
Ceiling Fan & Light Fixture Installation – Improve comfort and lighting with expert electrical work.
Service Areas
We proudly serve St. Charles County, MO, and surrounding areas, including:
St. Charles
St. Peters
O’Fallon
Wentzville
Lake Saint Louis
Cottleville
Dardenne Prairie
Weldon Spring
New Melle
Defiance
… and more!
Why Choose Cornerstone Comfort Solutions?
Experienced Technicians – Certified experts who get the job done right.
Upfront & Honest Pricing – No hidden fees, just fair and transparent pricing.
Fast & Reliable Service – We show up on time and get the job done efficiently.
Locally Owned & Operated – Serving our community with integrity and care.
Committed to Giving Back – A portion of our proceeds goes toward cancer charities.
Areas Served
St. Charles County, MO
St. Charles
St. Peters
O’Fallon
Wentzville
Lake Saint Louis
Cottleville
Troy
Moscow Mills
Foristell
Flint Hill
Josephville
Old Monroe
Elsberry
Frequently Asked Questions
We proudly serve St. Charles, St. Peters, O’Fallon, Wentzville, Lake Saint Louis, Cottleville, Dardenne Prairie, Weldon Spring, New Melle, Defiance, and surrounding areas.
We recommend annual maintenance—a furnace tune-up in the fall and an AC inspection in the spring. Regular maintenance helps improve efficiency, extend the lifespan of your system, and prevent costly breakdowns.
You can call us at 636-534-1888 or visit our website at cornerstonecomfortsolutions.com to request a service appointment.
We specialize in heating, cooling, plumbing, and electrical services for homes and businesses in St. Charles County, MO. Our services include HVAC installation and repair, furnace and AC maintenance, mini-split systems, water heaters, tankless water heaters, electrical panel upgrades, and indoor air quality solutions.
Payments Accepted
American ExpressMoney OrdersDiscoverFinancing AvailablePersonal ChecksCashMastercardVisa
Mon 8:00 AM to 7:00 PM
Tue 8:00 AM to 7:00 PM
Wed 8:00 AM to 7:00 PM
Thu 8:00 AM to 7:00 PM
Fri 8:00 AM to 7:00 PM
Sat 9:00 AM to 3:00 PM
Sun Closed
Reviews for Cornerstone Comfort Solutions
Cornerstone Comfort Solutions received an average rating of 5.00 out of 5 stars from 2 reviews.
Write a review
Great to work with by Mark on 2/7/2025
I have been working with Cornerstone Comfort Solutions for my HVAC needs and have had a great experience. Daniel has been my go-to person for all my inquiries and concerns. He has a vast knowledge of the services they provide and is able to provide clear and concise information. Daniel is very professional and always offers exceptional customer service. I would highly recommend Cornerstone Comfort Solutions for any HVAC needs.
by BusinessOwner on 2/7/2025
Thank you so much for your kind words and for trusting Cornerstone Comfort Solutions with your HVAC needs! It’s been a pleasure assisting you, and I truly appreciate your recognition of our commitment to professionalism and exceptional service. Ensuring our customers receive clear, knowledgeable, and reliable support is always our top priority. If you ever need anything in the future, don’t hesitate to reach out. We look forward to continuing to serve you!
5-Star Review for Cornerstone Comfort Solutions by Treavor on 2/7/2025
I can't say enough good things about Cornerstone Comfort Solutions! From start to finish, their team was professional, knowledgeable, and truly cared about making sure my home was comfortable.
I called them for a furnace repair, and they responded quickly, diagnosed the issue, and had it fixed the same day. The technician took the time to explain everything in detail and gave me honest recommendations without any pressure.
What really sets them apart is their commitment to the community—knowing that a portion of their proceeds helps children with special needs makes me even more confident in choosing them.
If you need HVAC, plumbing, or electrical services in St. Charles County, MO, I highly recommend Cornerstone Comfort Solutions. They are trustworthy, reliable, and deliver top-quality service!
? 10/10 - Will definitely use them again!
by BusinessOwner on 2/7/2025
We truly appreciate you taking the time to share your experience with Cornerstone Comfort Solutions! Providing honest, professional, and top-quality service is always our goal, and we're thrilled to hear that you were satisfied with your furnace repair and the care our team provided.
It means the world to us that you recognize our commitment to the community—giving back is at the heart of what we do. We're grateful for the opportunity to serve you and look forward to helping with any HVAC, plumbing, or electrical needs in the future!
If you ever need anything, don’t hesitate to reach out! Your comfort is our priority.
?? Call us anytime at 636-534-1888
?? Visit us at cornerstonecomfortsolutions.com
- The Cornerstone Comfort Solutions Team ???? #SmartSolutionsLastingComfort
