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It’s that time of the year again…

Make sure your HVAC System performs efficiently all year long with our professional HVAC Tune-Up.

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Let us show you the benefits of financing your purchase!

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Service Agreements

Having your systems checked regularly keeps them running efficiently and this saves you money on your utility bill month after month.

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10% Off for Seniors, Military, Veterans, and First Responders

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Proudly serving Lake County and the surrounding communities

Double D Heating & Cooling Inc. is the best choice for all of your heating & cooling service and installation needs. We have been in business for 24 years, serving Lake County and northern Cook County in Illinois. We service all brands, and provide a trained technician to repair your equipment to your complete satisfaction, and if necessary, we can install a quality replacement furnace or air conditioner. With 45 years of experience and a full sheet metal shop, we provide quality service and installations for residential and light commercial businesses. We are licensed and provide Workers Compensation for our employees, and Employers Liability Insurance provided by West Bend Ins. Company.

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Double D Heating & Cooling Inc. Services & Products

As a Tempstar® dealer, with a wide variety of products to choose from, we can keep your family healthy and feeling comfortable all year long. We carry a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditionersheat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, geothermal systemsboilersair cleaners, ultra violet lights, ventilators and zoning products. Let the experts at Double D Heating & Cooling Inc. help you customize a solution that's right for you.

We are service professionals! As licensed contractors and specialists in the field of heating and air-conditioning, we have the tools, the equipment, and the experience to keep your equipment running smoothly all year long. If it is emergency service that you need, twenty-four hours a day, seven days a week, we are available to assist you! To help reduce service emergencies, we offer service agreements to keep your comfort system running at peak performance.