Hours: We are open 24/7

333 E Judd Street, Woodstock, IL 60098

(815) 338-0282

Financing Available


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Woodstock Heating & Cooling has proudly served homeowners in Woodstock, IL; Crystal Lake, IL; Huntley, IL; McHenry, IL; Lake in the Hills, IL; Cary, IL; Algonquin, IL; Bull Valley, IL; and Village of Lakewood, IL with top-tier HVAC services for over 100 years! We take pride in serving each of our customers with the utmost care and professionalism. You’ll find that our NATE-certified professionals specialize in all aspects of duct repair and maintenance. Your ducts play a very important role when it comes to your HVAC system operation. They work to distribute conditioned air throughout your living environment, ensuring there is adequate heating and cooling throughout your home. Over time, however, your ducts will accumulate allergens, dust, debris, mold, mildew, and other contaminants that will ruin your air quality at home.

Duct Repair and Maintenance from Woodstock Heating & Cooling

Our experts can help you identify any problems that are going on with your ductwork system and will provide practical solutions to ensure your HVAC system runs at its best. Whether you need small duct repairs, duct sealing, or comprehensive duct replacement, our expert technicians will do the job right with high quality workmanship. When we take care of the work, you can expect improved air quality, improved comfort, and efficient operation of your HVAC system. Some common issues with ducts include leaks, poor insulation, noise, and dirt buildup. When your ducts make a lot of noise, it can be an indication that your ducts are damaged and require immediate repair.

We’ll Make Sure Your Ducts Are Sealed and Maintained

We prefer to take a proactive approach when it comes to duct maintenance. Our professionals will carefully inspect your system, identify issues, and provide the solutions to keep your ducts in good working order. We offer duct sealing, duct cleaning, and camera inspections to keep your ductwork in tip-top shape. Make sure to contact us at (815) 338-0282 today to schedule a free consultation!


We’re Celebrating 100+ Years of Service to the Community
We have had the pleasure of serving McHenry County and the surrounding areas since 1917.


A Full Line of Equipment
With our warehouse fully stocked, we can offer you many different options depending on what you’re looking for.


We’re Passionate About Our Work & Improving Every Day
Woodstock Heating & Cooling currently has a 98% customer approval rating.

Duct Service, Ductwork Maintenance & Ductwork Repair Woodstock, IL, Crystal Lake, IL, Huntley, IL, McHenry, IL, Lake in the Hills, IL & Cary, IL

Residential HVAC Services in Woodstock, IL | Ductwork Repair Crystal Lake, IL

Light Commercial HVAC ServicesResidential HVAC Services ∴ McHenry, IL ∴ Huntley, IL ∴ Lake in the Hills, IL

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Customer Reviews
What our customers are saying

responded to request for repair work on heating system quickly and the workmanship was excellent; along with reasonable cost. Woodstock Heating is a quality business; the Best!


Whit and KC were on time and completed the job well within the estimated time window. Great service, and I’ll call Woodstock Heating and Cooling again for future work on my HVAC.


Just so wonderful to work with a quality locally owned and operated company.


Excellent experience. I had a humidifier, media cabinet, whole house dehumidifier and thermostat installed. Great experience from initial consultation with Thomas through quote and install with Witt. Witt did an excellent job- clean, efficient and took the time to explain everything to me. I would highly recommend Woodstock Heating and Cooling


Woodstock Heating and Cooling did a great job with both our furnace and A/C. When we have had any trouble, they respond very quickly. Their people are professional, caring and ready to go the extra mile to do what it takes to repair equipment. A big thank you in particular to Joe and Greg who were here last week to help with an issue caused by a mouse. We cannot say enough positive things about Woodstock Heating and Cooling! They have our loyalty!


I have always been impressed by the prompt response and excellent service provided by Woodstock Heating & Cooling. Justin was here today for a service check on my furnace and he was extremely professional, informative and skilled…not surprising, because this is the company norm. Thank you.


Justin was excellent! He was professional, explained things so we could understand, he was thorough and did an excellent job on our preventative maintenance check for our heating systems. He is also very personable, honest and we are very pleased with his service!

At Woodstock Heating & Cooling,

We’ll treat you like family.

Our Story

Residential HVAC Services

Light Commercial HVAC Services

Algonquin, IL

Huntley, IL

Woodstock, IL

Crystal Lake, IL

Village of Lakewood, IL

Lake in the Hills, IL

Bull Valley, IL

Cary, IL

McHenry, IL