HVAC contractor

Luke Sanders and Matt Gunn

At ComfortWorks Heating and Cooling, we believe your home's comfort should never be a question. We are a family-owned and operated business serving the St Charles area, built on a foundation of honest...

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About Luke Sanders and Matt Gunn
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About Luke Sanders and Matt Gunn

At ComfortWorks Heating and Cooling, we believe your home's comfort should never be a question. We are a family-owned and operated business serving the St Charles area, built on a foundation of honesty, integrity, and old-fashioned work ethic. Unlike big franchises, we treat every home like our own and every customer like a neighbor.Our journey started with a simple mission: to provide top-quality heating and air conditioning services without the upsells or fine print. With over 40 years of combined industry experience, our licensed team doesn't just fix problems — we build lasting solutions. Whether you need a quiet new furnace before winter, a ductless mini-split for that converted garage,...
HVAC Service & Repair
Preventive Maintenance Plans
Installations & Replacements
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Our Services

Professional solutions tailored to your specific needs — delivered with expertise and care.

HVAC Service & Repair

Is your air conditioner blowing warm air? Is your furnace making strange noises? Don't sweat it — or shiver through the night. ComfortWorks Heating and Cooling specializes in diagnosing and repairing any make or model of HVAC equipment. Our technicians carry a full range of parts to solve most issues in a single visit.We start with a thorough 18-point inspection to identify the root cause, not just the symptoms. From a failed capacitor to a cracked heat exchanger, we explain the problem in plain...

Preventive Maintenance Plans

Stop breakdowns before they start. The best way to keep your heating and cooling system running efficiently is with regular preventive maintenance. ComfortWorks offers annual maintenance plans designed to extend equipment life, lower utility bills, and reduce emergency repairs.For a low monthly or annual fee, we perform a comprehensive tune-up twice a year — once before cooling season and once before heating season. Our checklist includes cleaning coils, checking refrigerant levels, tightening e...

Installations & Replacements

When it's time for a new heating or cooling system, ComfortWorks makes the process simple, transparent, and affordable. We install everything from high-efficiency heat pumps and gas furnaces to ductless mini-splits and geothermal systems. Our team stays current on the latest HVAC technology to help you maximize comfort and minimize energy costs.Every installation starts with a free in-home consultation. We measure your home, evaluate your ductwork, and calculate the correct system size — because...

HVAC repair in St Charles

When your system stops keeping up, we start with a thorough 18-point inspection to find the real cause rather than just the symptom. Our technicians carry a full range of parts, so most repairs are finished in a single visit. We handle any make or model, from refrigerant leaks and frozen coils to faulty thermostats, blower motor failures, and ignition control problems. You get a plain-English explanation and upfront pricing before any work begins. We repair what makes sense and only recommend re...

Air conditioner installation in St Charles

Installing a new air conditioner starts with a free in-home consultation. We measure your home, look over your ductwork, and calculate the correct system size, because an oversized unit cools unevenly and wastes energy. You will get several options matched to your budget and efficiency goals, from a basic single-stage unit to a variable-speed system with zoning. We remove and recycle your old equipment, handle the permits, and walk you through the new thermostat before we go. Our crews keep disr...

Furnace repair

A furnace that is making strange noises or failing to heat deserves a prompt, careful look. We diagnose any brand of gas or electric furnace and check the components most likely to fail, including ignition controls, blower motors, capacitors, and heat exchangers. Our trucks carry common parts, so we can often finish the job on the first visit. We explain what we find in plain terms and give you upfront pricing before we start. If a cracked heat exchanger or an aging unit makes replacement the sm...

Emergency HVAC service in St Charles

Heating and cooling problems rarely wait for a convenient time, so we respond quickly to urgent calls, often the same day. Whether it is a system that has gone silent in a cold snap or an air conditioner blowing warm air during a heat wave, our technicians come prepared to diagnose and repair on the spot. We give you upfront pricing and a clear explanation before any work begins. Our team keeps your home protected and clean throughout the visit. Call us any time you need reliable help getting yo...

Heating and cooling in St Charles

Your home needs to be comfortable in both directions, and we work on the full system that makes that happen. Our team services and installs furnaces, heat pumps, air conditioners, and ductless systems, and we can evaluate how the pieces work together. We focus on accurate diagnosis, clear pricing, and workmanship that holds up over the years. Whether you need a quiet new system before the seasons change or a repair to get through the current one, we aim to get it right the first time.

Preventive maintenance HVAC in St Charles

Regular tune-ups catch small problems before they become expensive breakdowns. Our maintenance plans include two visits a year, one before cooling season and one before heating season. We clean coils, check refrigerant levels, tighten electrical connections, lubricate moving parts, inspect belts, test safety controls, and verify thermostat calibration. We also change or clean your filters to keep indoor air cleaner. Members receive priority scheduling, a 15% discount on repairs, and no overtime...

Mini-split installation in St Charles

A ductless mini-split is a practical choice for rooms that are hard to heat or cool, such as converted garages, additions, and sunrooms. We mount an indoor unit in each space and connect it to an outdoor unit, so you can control each zone separately. Installation is far less invasive than ductwork, and our crews keep the work clean and tidy. We evaluate the right size for each room and walk you through the controls before we leave. If you have a space that never seems comfortable, a mini-split m...

Geothermal HVAC in St Charles

Geothermal systems use the stable temperature below the ground to heat and cool your home efficiently. We evaluate your property and recommend a system that fits your home, your budget, and your energy goals. Our team handles the installation with care, from the system design through final testing. Because geothermal units rely on underground components, a proper design and careful installation matter a great deal. We will explain what to expect at each stage so you know exactly how the project...

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