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Furnaces, Air Conditioners, Heat Pumps, Water Heaters, Indoor Air Quality

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McHenry County & Northern Illinois

ThermPro Heating & Cooling proudly offers services to meet your heating and cooling needs in Illinois. Our team of experienced professionals is dedicated to providing top-notch service to ensure your comfort and satisfaction. Let us take care of your HVAC needs so you can focus on what's important to you. 

Indoor Air Quality Products

We offer a variety of indoor air quality products to improve the air you breathe in your home or business. Our air purifiers and filters remove harmful contaminants, allergens, and pollutants from your indoor air, providing clean, fresh air that promotes good health and well-being. We also offer humidifiers and dehumidifiers to keep your indoor air at optimal humidity, helping prevent dry skin, allergies, and other health issues. 

HVAC Installation

Our expert technicians are trained to install various HVAC systems, including furnaces, air conditioners, and heat pumps. We will work with you to determine the best system to meet your needs and budget and ensure it is installed correctly and efficiently. Our installation services allow you to enjoy reliable and efficient heating and cooling for years. 

If your HVAC system needs to be fixed, our team is here to help. We offer fast and reliable repairs for all types of HVAC systems, including emergency services for unexpected breakdowns. Our technicians have the skills and expertise to diagnose and repair any issue, ensuring your system is up and running as quickly as possible. 

Regular HVAC maintenance is essential to keep your system running smoothly and efficiently. Our maintenance services include cleaning, inspections, and tune-ups to ensure your system works at peak performance. This not only helps to prevent breakdowns and costly repairs but also prolongs the life of your HVAC system and reduces your energy bills.

HVAC Services & Maintenance Agreements

Honest and upfront pricing is our companies motto. Never any hidden fees or upcharges. What you see listed is what you pay: It’s the ThermPro difference.

  • Furnace Clean & Check: $79.00

    Complete inspection and cleaning of your furnace. 

    -Clean burner compartment and flame sensor, ohm igniter, check amp draw on all motors, test all capacitors, complete camera inspection of heat exchanger as well as carbon monoxide test, and vacuuming of blower cabinet.

  • A/C Clean & Check: $79.00

    Complete inspection and cleaning of A/C system


    -Check refrigerant levels, pressures, and temperatures, check amp draw of compressor and fan motor, test capacitor and contactor, and thoroughly clean condenser coil. 

  • Humidifier Clean & Check: $35.00

    Complete inspection and cleaning of humidifier including pad replacement.


    -Clean humidifier housing and tray, replace humidifier pad, check operation, and test for leaks.

  • Combustion Analysis: $59.00

    -Combustion analysis of your furnace, boiler, or tankless water heater. All modern heating systems whether it be for heating your home or your water can and will benefit from properly tested and tuned combustion. 


    -A combustion analysis can tell us if a system is safe to operate, if it is leaking any carbon monoxide into your home, and can help us tune the unit's gas combustion to get the maximum efficiency the unit is capable of. 


    -Most HVAC companies do not offer this service and brush it off as unnecessary. We at ThermPro believe it's not only necessary, but mandatory, to get the most out of your system, to lower your gas bill as much as possible, and to make absolutely sure the unit is safe for operation. 


    -Don't take our word for it, some quick research will show why a combustion analysis is so important and how it can benefit you and your wallet.


  • Water Heater Clean & Check: $79.00

    Complete inspection and cleaning of your water heater. 


    -Drain and flush sediment out of tank, remove burner assembly and clean burner compartment, reassemble and test operation.

  • Tankless Water Heater Service: $159.00

    Complete service of your tankless water heater.Includes 30-45 minute descaling process, testing all safeties and sensors, testing operation and amp draw of exhaust motor, and testing operation and amp draw of recirculation pump. 

  • Dryer Vent Cleaning: $89.00

    Disconnect dryer from vent system, clean out entire vent piping from indoors at dryer to the exit outdoors and vacuum up all debris.

  • Diagnostic Service: $79.00

    Thoroughly check the system to pinpoint the issue causing your problem. This fee covers the first 45 minutes of troubleshooting. More complicated issues may require more time to diagnose and additional fees may be necessary.

Maintenance Agreements

  • Basic Maintenance Agreement: $135.00

    This is an entry level agreement that covers servicing your furnace and air conditioner. A visit in the spring to service the A/C and a visit in the fall to service the furnace. 


    -$23 in savings with this plan over doing these services separately with the addition of the perks below.


    -10% discount on all parts!


    -Priority scheduling!


    -Add humidifier service for just $30, a $5 discount off regular price. 

  • Advanced Maintenance Agreement: $195.00

    This agreement is a step above our basic plan and offers the most “bang for your buck”. It covers servicing your furnace and air conditioner as well as your water heater. A visit in the spring to service the A/C and a visit in the fall to service the furnace and water heater.


    -Enjoy $42 in savings with this plan over doing these services separately!


    -15% discount on all parts!


    -Priority scheduling!


    -Water heater clean and check included at no additional charge! Normally an  additional $79 service!


    -Add humidifier service for just $30, a $5 discount!

  • Premium Maintenance Agreement: $319.00

    This is our top of the line plan! It covers servicing the A/C in the spring, servicing the furnace, water heater, and humidifier in the fall.


    -Potential savings in the hundreds of dollars!!


    -20% discount on all parts and accessories! 


    -Same day emergency service included!


    -No overtime fees or travel charges!


    -Water heater clean and check included!


    -Humidifier cleaning and pad replacement included!


    -If you do not have a humidifier, this plan will be discounted to $289.00


    -$100 credit towards new equipment each year you’re on this agreement! Up to $500!


    The best of the best! 

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