O’Fallon, IL Plumbing and HVAC Contractor

HVAC Contractors O'fallon IL - Plumbers, Electrical, Appliance - Hoffmann Brothers

Hoffmann Brothers Residential & Commercial Contractors

Looking for a plumbing and HVAC contractor for your O’Fallon, IL home or business? Look no further than Hoffmann Brothers for a team of plumbers and technicians you can trust for all of your residential and commercial needs for:


Call Hoffmann Brothers today at (314) 664-3011 for all your O’Fallon, IL plumbing and HVAC needs.

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Air Conditioning Services in O’Fallon, IL

AC Contractor O'Fallon, IL - Hoffmann Brothers

Count On Our AC Services

Summertime is a hot in O’Fallon, so a properly functioning air conditioner is a must! Keep your AC unit well maintained and efficient as possible with tune-ups from Hoffmann Brothers. Schedule your appointment or call for a quote on an air conditioner replacement. We offer the following AC services:

  • Air Conditioning Installation
  • AC Repair
  • Air Conditioner Maintenance
  • Ductless ACs

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Heating Services O'Fallon, IL

Expert Heating Services for Homes & Businesses

Stay warm this winter with HVAC services from Hoffmann Brothers. Whether your home has an old furnace that needs replaced or a new ductless heating system that needs a tune-up, our technicians equipped and ready for the job. Our HVAC techs can handle any and all of the following, regardless of the type or brand of heating system:

  • HVAC Repairs
  • Heater Installation
  • Furnace Maintenance
  • Ductless Heating

Call today to schedule your furnace repairs or to get a quote on a heater installation.

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O’Fallon, IL Plumbers

O'Fallon, IL Plumbers

Licensed O’Fallon Plumbers When You Need Them Most

Our team of licensed and experienced plumbers have seen it all from clogged toilets, sinks, and shower drains to broken garbage disposals and burst pipes. No matter the size or scope of the plumbing project or problem, our plumbers have a diagnosis and a solution. Call Hoffmann Brothers today for:

  • Plumbing inspections
  • Toilet repairs and installations
  • Faucet repairs and replacements
  • Garbage disposal repairs and replacements

You can trust our plumbers to explain your options fully before fix your plumbing problem, so there are no surprises except what easy, efficient service you receive.

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Drain & Sewer Services for O’Fallon, IL

Drains and Sewer Services O'Fallon, IL

Unclog Your Drains & Sewers

If your home or business has drain or sewer problems, you need a plumber you can trust to fix it ASAP! Hoffmann Brothers offers the following services to help diagnose, treat, and prevent those problems from happening again:

  • Drain cleaning and inspections
  • Camera sewer inspections
  • Trenchless sewers

Our plumbers come licensed, experienced, and equipped to resolve the issue as efficiently and effectively as possible. Call today for all your drain and sewer services today.

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O’Fallon, IL Hot Water Heater Services

Water Heater Services O'Fallon, IL

Keep Your Hot Water Heater in Top Shape

Is it taking your hot water heater longer and longer to heat up the water for your shower or laundry? Your O’Fallon home may need a water heater repair or a water heater replacement because you cannot keep your home or your family clean and healthy without hot water! Call Hoffmann Brothers today for hot water heater services, including:

  • Water Heater Repair
  • Water Heater Installation
  • Water Heater Maintenance
  • Tankless “On Demand” Water Heaters

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Licensed Electricians for O’Fallon, Illinois

Electrical Services O'Fallon, IL

O’Fallon Electrical Services with Safety & Efficiency

The experienced team of certified electricians at Hoffmann Brothers can tackle even the most difficult electrical repair or installation. Give us a call today to begin your project. Some of the many calls we get include:

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O’Fallon, IL Appliance Repair and Installation

O'Fallon, IL Appliance Services

Let Our Pros Install or Fix Your Appliances

Some of the many Appliances services we provide include:

Make Hoffmann Brothers your O’Fallon, IL appliance repair store and installation company. Schedule service online or call us today at (314)664-3011.

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Indoor Air Quality in O’Fallon, IL

O'Fallon, IL Indoor Air Quality Services

Breathe Easier With Exceptional Indoor Air Quality

Keep the air in your O’Fallon residential or commercial property clean and clear of allergens and pollutants. Doing so will keep your family and employees healthier and breathing easier because of the improved indoor air quality (IAQ)! We provide a number of services and equipment, such as:

  • Air purifiers – whole house air cleaners
  • Air scrubber installation
  • Humidifiers
  • Dehumidifiers

Call today to see how Hoffmann Brothers can improve your home’s or business’s IAQ.

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Benefit from Our Home Protection Plan

Home Protection Plan

Savings & Convenience with the Home Protection Plan

Hoffmann Brothers provides a Home Protection Plan to all enrolled homeowners who want to keep your home happy, safe, and healthy. The HPP offers two preventative maintenance appointments for heating and cooling systems each year, plus discounts on repairs, priority service, and free air filters to its members. Call to learn more or become a member today.


Reasons to Choose Hoffmann Brothers

Hoffmann Brothers St Louis, MO

Choose Over 40 Years of Service & Expertise

For over 40 years, Hoffmann Brothers has proudly served communities like O’Fallon, IL. Robert, Chris, and Joe Hoffmann have built this family company to serve their communities with the best and latest plumbing and HVAC equipment available. They believe when you take are of your employees, your employees take care of your customers – a belief which led to awards such as ACCA’s Residential Contractors of the Year and 2022 Top Places to Work.

Learn More by Visiting Our About Us Page


More About O’Fallon, Illinois

O'Fallon, IL

The Community of O’Fallon, IL

The city of O’Fallon, IL was founded in 1854 and named for Colonel John O’Fallon, nephew to William Clark (of Lewis and Clark). Since then it has grown to a population of over 32,000 residents with a robust system of public works, parks and recreation, and interesting places to visit.

Parks & Recreation for O’Fallon, IL

  • Community Park
  • Hesse Park
  • O’Fallon Veteran’s Monument
  • Ogles Creek Park
  • Rock Springs Rotary Park and Dog Park
  • Savannah Hills Park
  • Shiloh Community Park
  • Skate Park
  • Thoman Park
  • Three Springs Park
  • Family Sports Park with Splash Pad & Soccer Turf Pavilion
  • Memorial Pool
  • Vine Street Market at O’Fallon Station

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Common FAQ’s About Plumbing & HVAC Services in O’Fallon, IL


Why is my toilet constantly running?

Check the adjustment screw on the fill valve to make sure that it is properly set for the water line in your toilet. To raise the water level, screw it clockwise or counterclockwise to lower it. Flush to confirm it is now at the right level. Otherwise, call a plumber for further assistance!


My garbage disposal smells. How can I get rid of it?

Some home remedies for cleaning your garbage disposal to rid it of any odors include:

  • Ice – sharpens and cleans blades
  • Citrus – cut up a lemon, lime, or orange and drop the pieces into the disposal
  • Baking Soda and Vinegar – put them down your disposal in that order to soak up and neutralize the smell then flushing it.


What would cause my thermostat to stop working?

These common thermostat issues include:

  • Dead batteries
  • Blown fuses or tripped circuit breakers
  • Bad wiring… call a trusted HVAC technician or electrician for help with this!


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Call Hoffmann Brothers, the premier Nashville plumbing and HVAC contractor, today at (615) 515-3015, or schedule service online for all plumbing, heating, and cooling system installation, maintenance, and repair needs.

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