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We service most Furnace brands and models near St. Louis MO.
St. Louis (636) 343-8440
Belleville (618) 233-3039
Columbia (618) 281-3039
Red Bud (618) 282-2224
We service most Furnace brands and models near St. Louis MO.
St. Louis
(636) 343-8440

(618) 233-3039

Your Heating & Cooling System Should Keep You
This Comfortable In Your Home

Reliable, top quality heating solutions that will last a lifetime!

Make sure your home is ready for the cooler months of the year and get a heat pump tune-up to prevent any major issues you may have during the colder seasons.
Dependable performance for worry-free Summer comfort!

Whether your have an air conditioning repair or tune-up, or are installing a new unit, our technicians are fully trained and ready for your repair or replacement!
Make sure the air in your home stays as fresh as the air outside!

Let Weis Comfort Systems, Inc. give you an indoor air quality evaluation to show you how to keep your air fresh and prevent dust and other toxins in your home.

Are you looking for a trusted Heating & Cooling company?

Weis Comfort Systems, Inc. has been serving Greater St. Louis since 1974

Are you looking for a trusted Heating & Cooling company?

Weis Comfort Systems, Inc. has been serving Greater St. Louis since 1974
From winter's chill through the dog days of summer, our mission at Weis Comfort Systems, Inc. is to keep your home comfortable for you and your family. This site is specifically designed to help you become an informed consumer when it comes to your home's heating and cooling systems. Please go ahead, and explore. The pull-down menus make it easy. Then contact us to arrange a free estimate at your home, for your new system today.
Save money on your next Furnace installation in St. Louis county MO.
$25 off Repair Coupon
See Why Most of Your Neighbors are More Than Satisfied with Us!
Click Here to Schedule Service
Good through October 2016
As Heard On KMOX
Has been a trusted Furnace contractor in St. Louis MO for 57 years.
Providing efficient heating and cooling systems with exceptional comfort to your home since 1984
Annual maintenance is best investment to protect your investment. There is nothing better for your heating and/or air conditioning system than annual maintenance. Annual maintenance allows your system to work at peak efficiency year in and year out. A system that is maintained annually experiences considerably fewer breakdowns.

This virtually eliminates the need for you to pay for costly repairs. You'll enjoy the peace of mind in knowing that your system is saving you money on your utility bills every time it comes on. In some instances, the energy savings are enough to pay the cost of the planned annual maintenance service.
Weis Comfort Systems, Inc. is ready for Furnace repair service in St. Louis MO
You'll find we take our job seriously and value highly the trust that is placed in us. By doing what it takes to ensure each customer is satisfied, Weis Comfort Systems, Inc. is welcome in more homes in the St. Louis MO area than any other contractor. We invite you to give us a call.
1591 Fenpark - Fenton, MO - 63026
(636) 343-8440

Cities We Service

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Privacy Policy
Weis Comfort Systems, Inc., is a Missouri Heating, Cooling, Plumbing, Air Conditioning, Geothermal Heat Pump, and furnace repair, service, replacement and maintenance Company located in St. Louis County. Weis Comfort Systems, Inc. employs only the best technicians air conditioner repair and, gas or propane (LP) furnace and heater repair as well as your air conditioner installation, furnace, boiler replacement, and ductless mini-split heating and cooling installation. Weis Comfort Systems, Inc. provides emergency service to St. Louis MO, Valley Park MO, Sunset Hills MO, Imperial MO, High Ridge MO, Wildwood MO, Fenton MO, Eureka MO, Ballwin MO, Chesterfield MO, Red Bud IL, Waterloo IL, Prairie du Rocher IL, Fults IL, Columbia IL, Belleville IL, Fairview Heights IL, O'Fallon IL, Freeburg IL, Millstadt IL, Swansea IL,  St. Louis County, Monroe County, Northern Randolph County, St. Clair and Jefferson County. To set-up a repair service estimate or replacement estimate, call (636) 343-8440. Weis Comfort Systems, an authorized factory dealer of many brands and services all furnace, AC, Groundwater Heat Pump, humidifier, filter and thermostats brands including Lennox, Daikin, Trane, Carrier, Bryant, Payne,  Rheem, Ruud, Amana, York, Gibson, Goodman, Heil, Weil McLain, Tempstar, Janitrol, American Standard, Comfortmaker, General, Aprilaire, Honeywell, White Rodgers, Enertech geo and WaterFurnace.
Call Us Today • (636) 343-8440 • or • Fill Out Our Online Form
See what makes Weis Comfort Systems, Inc. your number one choice for Furnace repair in St. Louis county MO.
We service most Furnace brands and models near St. Louis MO.
Business Address:
1591 Fenpark Dr.
Fenton, MO 63026
Contact Us
Schedule your Furnace replacement in Monroe county MO.
Company Phone:
Phone: (636) 343-8440
Furnace repair service in St. Louis MO.
Office Hours:
Monday- Friday