His workmanship, professionalism and prompt timing updates were outstanding.
HVAC & Plumbing in Lake Saint Louis
Find trusted heating, cooling, and plumbing professionals serving Lake Saint Louis and surrounding areas.
Top Pros in Lake Saint Louis
63 local professionals

TJ diagnosed and fixed our AC unit in a matter of minutes.

Our place is beautiful and functional because of his expertise.

Ozark Mechanical
The technician was kind, professional and got us up and working quickly.

Elite Heating and Cooling
Grant showed up, recognized the problem and had the unit fixed by 8pm.

River Valley Heating and Cooling
He was prompt, courteous, affordable, and cleaned up after the job.

Design Aire Heating and Cooling
Fixed our AC quickly on a very hot day.

Stay Cool Climate Control
Braden serviced/fixed AC in less than an hour in 95 degree heat.

AAA Heating & Cooling
Sam was wonderful, he did a great job getting our AC up and running again.

Top-rated basement specialists. Customer review: "Would highly recommend, if you are in need of any basement repair/waterproofing."

Our technician was prompt, professional and fixed our problem quickly.


The timely, professional job was completed for a very reasonable price.

Superior Service
He installed a new water heater and fixed some other issues quickly for us.
Herbig Mechanical Inc
Professional heating contractor services.
Mid-State Mechanical, LLC
Not only did they respond, they fixed it fast.

Arch Plumbing
Professional plumbing services for the St. Louis metro area.

KirbnJays Heating & Cooling
He was knowledgeable and able to fix my AC unit quickly.

Swiss, LLC
They were out within an hour and got A/C up and running in no time.

Superior Service Chesterfield
Dave came out and fixed our AC unit promptly & was super friendly.

Chesterfield Service
They fixed our AC unit for us and made sure they did it the right way.

Faszold Heating and Cooling
They did a very amazing job. They were efficient, quick clean, and they handled my big dog without any issues...

They arrived on time and completed the job in a clean and timely manner.

They are knowledgeable, kind, and provide service at a great value.

They worked extremely hard and completed the job in 2 days as promised.

Prices were reasonable and the work was meticulous.

Their bids were lower than others we got and yet their work was superb.

Professional plumbing services for St. Charles area

Hosack Plumbing St Peters
The technician did a great job repairing my valve in the basement.

Fast response, professional tech analyzed problem and quickly fixed it

STL Plumbing Drains & Jetting
Saved the day with a full hotwater heater replacement.

Hoff Heating & AC
My A/C was fixed within 2 hours of my first call to them!

They came out the same afternoon and fixed the problem.

They were able to work within our timeframe and did a fantastic job.

Faszold Heating and Cooling
He explained the issue and my AC was working again in no time.

Hoffmann Brothers
Professional plumbing and HVAC services.

Devon is a great job in troubleshooting and fixing my AC very quickly.

No Problem Heating and Cooling
He had our thermostat swapped out in no time, and our house is warm again.

They were prompt, efficient and total quality with every detail of the job.

Express Plumbing, LLC.
Work was done quickly and professionally, excellent work and quick response.

Ram Jack of St. Louis
Professional foundation repair, concrete leveling, and structural solutions.

Reliable Inc.
The system was repaired

Chowning Heating and Cooling
Technician came out and repaired our AC unit within a few minutes.

Kept us informed along the way and fixed our A/C unit.

Precision Plumbing Solutions
Expert plumbing solutions with precision workmanship

Johnson Heating and Cooling
We had an issue with our AC and they were quick to come out and resolve it.

Performance Plumbing
Our technician Mark was fantastic to work with and very thorough in his job.

Foundation repair specialists in St. Peters.

Prompt service and quality work at a fair price!

Armstrong Plumbing
He did a first class job installing our water heater.

AAA Home Services
Tim worked hard to solve a tricky problem.

They have always been a good company for repairs or replacement systems.


Communication was great and the work was excellent.

I am very pleased with the work done and the price was very reasonable.

Reasonable rates and very professional.

Pros at what they do.
Did exactly what we need in a quick and timely manner

Took the time to explain what was going on with my unit.

They were on time and did a first rate job.

They used top-grade materials, ensuring durability and longevity.
HVAC Services in Lake Saint Louis
HVAC Repair
Professional HVAC system repair services for heating and cooling units.
Find prosHVAC Installation
Complete HVAC system installation for residential and commercial properties.
Find prosAC Repair
Air conditioning repair and maintenance services to keep you cool.
Find prosFurnace Repair
Furnace repair and maintenance to ensure reliable heating.
Find prosEmergency HVAC
24/7 emergency HVAC services for urgent heating and cooling issues.
Find prosPlumbing Services in Lake Saint Louis
Pipe Repair
Pipe repair and replacement for all plumbing systems.
Find prosSewer Repair
Sewer line repair and replacement services.
Find prosDrain Cleaning
Professional drain cleaning to remove clogs and blockages.
Find prosWater Heater Installation
Professional water heater installation for all types of units.
Find prosWater Heater Repair
Water heater repair and installation services.
Find prosEmergency Plumber
24/7 emergency plumbing services for urgent issues like burst pipes.
Find prosPlumbing Repair
General plumbing repair services for leaks, fixtures, and pipes.
Find prosLake Saint Louis Home Service Experts
Find contractors familiar with lakeside homes, high water tables, and the unique maintenance needs of Lake Saint Louis properties.
Lake Saint Louis combines resort-style living with suburban convenience. The community is built around a 600-acre private lake, and many homes enjoy waterfront or golf-course views. That beautiful setting also brings specific maintenance concerns: high humidity, lake-effect weather patterns, and properties with basements or walk-outs that need reliable waterproofing and drainage systems.
STL Home Pros connects Lake Saint Louis homeowners with contractors experienced in lakeside and high-water-table properties. From humidity control and HVAC dehumidification to sump pump systems and foundation waterproofing, our pros understand the local conditions that affect comfort and durability.
Housing stock and what it means for service needs
- •Lakefront and golf-course homes often feature walk-out basements, multi-level decks, and large windows that require specialized HVAC zoning and humidity control.
- •Established neighborhoods built around the original lake development include a mix of custom and production homes from the 1970s through the 1990s.
- •Newer infill construction near the city center offers energy-efficient designs but still must account for the area’s high water table during heavy rains.
Common HVAC, plumbing, and foundation issues in Lake Saint Louis
- •High water tables and lake-effect storms put constant pressure on sump pumps, foundation drains, and basement waterproofing systems.
- •Humidity levels remain elevated through much of the summer, making properly sized air conditioning and whole-home dehumidification important.
- •Exterior wood features such as decks, docks, and pergolas deteriorate faster in the moist lakeside environment and need regular inspection.
What to look for when hiring a contractor
- •Choose HVAC contractors who address latent humidity, not just temperature setpoints.
- •Waterproofing specialists should inspect exterior grading, downspout discharge, and sump pump capacity together.
- •Deck and exterior contractors should use pressure-treated or composite materials rated for high-moisture environments.
Permit and code considerations
Lake Saint Louis operates under St. Charles County building codes. Permits are required for HVAC replacements, plumbing modifications, deck construction, and structural foundation repairs. Waterfront work may have additional setback or environmental considerations.
Seasonal maintenance tips
- •Spring: Inspect and test sump pumps, battery backups, and exterior drainage before spring storms.
- •Summer: Run dehumidifiers in basements and monitor indoor humidity to stay below 55 percent.
- •Fall: Winterize irrigation systems, outdoor kitchens, and dock water lines before the first freeze.
- •Winter: Keep foundation vents sealed during cold months and remove heavy snow loads from decks and awnings.
Frequently Asked Questions
How quickly can I get HVAC service in Lake Saint Louis?
Many local pros offer same-day or next-day service. For emergencies, 24/7 service is available from select providers.
Are the plumbers in Lake Saint Louis licensed?
Licensing requirements vary by trade and municipality. We do not independently verify credentials, so always confirm a contractor's license and insurance directly before hiring for work in St. Charles County County.
What's the average cost for HVAC repair in Lake Saint Louis?
Costs vary by issue, but typical HVAC repairs range from $150-$500. Get free quotes to compare prices from local pros.