Furnace Company in Crystal Lake, IL

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Superior Furnace Company in Crystal Lake

Leith Heating & Cooling is a veteran- and family-owned furnace company serving Crystal Lake, IL, and the surrounding areas. Brian, our owner, was born into this industry and uses his lifetime of experience to serve our customers with distinction. He is a proud veteran of the US Air Force. We have won several awards for our service, including the American Standard Dealer Award and the Angie’s List Super Service Award. We are also rescue partners with Hoof Woof & Meow Animal Rescue! Crystal Lake is freezing throughout the winter, with the average lows ranging from 12 to 18 degrees. You deserve a dependable heating service crew like us to keep you comfortable in your home!

ACCA

Better Business Bureau

EPA Certified

Financing Available

"I don't think I had this much satisfaction from a company as I did with Leith Heating. Their customer service cannot be matched, their pricing will never be questioned because of the confident level I have for them, and their professionalism is way beyond the call of duty! I highly recommend this company to anyone and everyone. Such a relief to know that companies like them truly do exist...They rock!"

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Top-Tier Heating Service in Crystal Lake

Leith Heating & Cooling provides fast heating service in Crystal Lake for all brands of gas furnaces and boilers. Our technicians are trained to maintain a clean work area and correctly dispose of old parts. They are certified to safely work on heating systems in Crystal Lake and the surrounding areas. While American Standard and Mitsubishi are our preferred brands, we service all makes and models. From strange noises and smells to faulty thermostats, poor airflow, no hot air and more, we fix it all!

Signs your heating system needs repair:

Leaks
Banging, clunking, squealing sounds
Any unusual smells
Weak airflow
Persistent odors from the vents

Experienced Furnace Installation in Crystal Lake

Choosing an experienced Crystal Lake company for your heating installation is important. An improperly installed heating system is at risk of short cycling, high energy bills, and a shortened lifespan. We keep our prices reasonable and offer deals to help you pay for a new system. Leith Heating & Cooling is an American Standard Dealer, servicing all makes and models in Crystal Lake. We give free estimates on new heating systems and offer financing options on approved credit.

Comprehensive Furnace Maintenance

Heating maintenance prevents costly breakdowns and extends the lifespan of your heating system. It also keeps your warranty valid. Our company maintains an A+ rating with the BBB, showing we’re a company you can trust in Crystal Lake. Many important tasks are completed during maintenance, such as cleaning the burners and checking the safety mechanisms. A lot of build-ups occur inside of your heater over the course of a year. We thoroughly clean it to prevent problems caused by restricted airflow. Whether the job involves installing a furnace or heat pump or repairing your heat pump or furnace, we have you covered.

Contact us today to schedule your appointment for heating service in Crystal Lake. When the weather warms back up, you can count on us for cooling services, too!

Repair

Leith Heating & Cooling is a dependable company for heating repair in Crystal Lake. We have qualified technicians that can diagnose any problems that you may be experiencing with your heating system.

Installation

Get a free estimate on furnace installations in Crystal Lake from Leith Heating & Cooling. We have high-quality, energy-efficient models available and offer financing options on approved credit.

Maintenance

Stay toasty warm every cold season by scheduling heating maintenance before turning on your heater for the year. A tune-up once a year makes a great difference in your heating system’s effectiveness and efficiency.

Brands We Carry and Certifications

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