No matter how big or small your HVAC needs,

we can handle them all...

  • New technology, delivered the old fashioned way
  • Family Values for the heart of your home
  • 24-hour emergency HVAC service, 7 days a week
  • We service all makes and models

Rated A+

Hearthstone Heating and Air Conditioning, Ltd. has achieved the complaint-free A+ rating for over a decade. We never rely on subcontractors to do our work or live up to your expectations.
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100% Guaranteed

By partnering with Comfort24-7, Hearthstone Heating and Air Conditioning, Ltd. is able to offer a Two-year 100% Money Back Satisfaction Guarantee on new system installations.
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By exceeding expectations in customer service, management, business growth and operational excellence, Hearthstone Heating and Air Conditioning, Ltd. is proud to have been recognized with Carrier President’s Award.
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Nate Certified

Our certified technicians have verified their understanding of today's increasingly complex heating and cooling systems by passing nationally recognized exams developed and endorsed by all segments of the HVAC industry.
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Whether you need routine maintenance, emergency repair, replacement equipment, or a complete system, call us today. We’re the people you can count on for all your family’s home comfort needs. We proudly service all of DuPage County and its surrounding areas including: Downers Grove, Darien, Lisle, Clarendon Hills, Hinsdale, Oak Brook, Burr Ridge, Woodridge, Naperville, Bolingbrook, Lombard, Elmhurst, Western Springs, LaGrange, & more!

Heating & AC Repair Experts in Westmont, IL

Since 1996, Hearthstone Heating and Air Conditioning, Ltd. has dedicated our extensive resources, training and conscientious service to home and commercial comfort in DuPage County and the surrounding areas. Through hard work, customer focus, and the highest efficiency products, we ensure that you have the best possible experience from the moment you call us to the completion of all work. Over nearly twenty years in business, we’ve learned exactly what it takes keep a home comfortable, despite the extreme weather swings, and promote only those products that provide outstanding efficiency, reliability, and performance to guarantee our customers comfort and satisfaction

24-hour emergency HVAC service, 7 days a week!

We recognize that some of the most difficult heating and cooling problems you face as a home or business owners aren’t restricted to normal business hours. For those desperate times, Hearthstone Heating and Air Conditioning, Ltd. offers 24-hour, 7-days-a-week emergency service. Know that when you call 630-435-9800, help is just minutes away. Our offices are located at 105 W 61st Street, Westmont, and we pride ourselves on prompt and personalized attention, striving to combine old-fashioned values with modern expertise.

We service all makes & models of heating and cooling systems!

Hearthstone Heating and Air Conditioning, Ltd. is a Carrier Factory Authorized Dealer, having earned the distinction by performing to rigorous national standards, and participating in extensive factory training specific to equipment installation, maintenance and repair.

Sanitize Your Home

Sanitize Your Home 24 Hours a Day with an OXY4 Air Purifier
$795 Installed

$40 off any repair

Limited time offer!
Call for details.

(630) 435-9800

Limited Time Only

* Carrier Discounts *
Discounts On Heat Pumps With
Cool Cash and Utility Rebates
Up to $5000.00

Carrier Offer/Utility Rebates

* SAVINGS UP TO $3,250 *
Carrier Rebate Up To: $1650
Utility Rebates Up To: $1600

Furnace Clean & Check

* $99 by 10/15/23 *
$129 regular price
Call to schedule an appointment.
Valid through 10/15/23


Sarah Smith

May 10th, 2023

Lightning-Fast Delivery

I placed an order with Hearthstone and was blown away by the speed of their delivery. I received my items within 24 hours, and they were in perfect condition. I'm so impressed with their delivery service and would highly recommend it to anyone looking for fast and reliable shipping.

John Lee

May 12th, 2023

Free Shipping on Every Order

I'm a frequent online shopper, and I always hate paying for shipping. That's why I was thrilled to discover Hearthstone and their free shipping policy. It's such a relief to not have to worry about the added cost of delivery fees. Plus, their shipping is always quick and efficient. I'm a happy customer!

Emily Chen

May 15th, 2023

Hassle-Free Returns

I recently had to return an item I purchased from Hearthstone, and I was pleasantly surprised by how easy and hassle-free the process was. Their returns policy is straightforward and simple, and I received my refund in no time. It's so refreshing to shop with a company that values their customers and makes the returns process stress-free.

Call Today: (630) 435-9800

Contact Us
Hearthstone Heating and Air Conditioning, Ltd.
105 W 61st
Westmont, IL 60559
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