HVAC Testing Services

Northwest Suburbs of Chicago, IL

24/7 Emergency Service Available

Coupons Available

Financing Options

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HVAC Testing for Optimal Home Comfort

H.R. Stewart brings over 95 years of expertise to your doorstep, ensuring your HVAC system runs at peak performance. We're not just any plumbing company; we're a family-owned business that's been serving the Northwest Suburbs of Chicago since 1930. Our third-generation plumbers understand the unique needs of local homeowners and businesses, providing comprehensive HVAC testing services that keep your indoor environment comfortable year-round.

As a factory-authorized Carrier dealer with NATE-certified technicians, we're equipped to handle all your HVAC testing needs with precision and care. We offer same-day emergency service, because we know comfort can't wait. Plus, our commitment to excellence hasn't gone unnoticed - we're proud recipients of the Best of the Fox Readers' Choice Award for 2024-2025. Whether you need a routine check-up or a complete system evaluation, we're here to help. Don't let HVAC issues disrupt your comfort. Contact us today and experience the H.R. Stewart difference.

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Why Choose Us

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24/7 Emergency Service Available

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Coupons Available

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Financing Options

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NATE-Certified

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Maintenance Agreements Available

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Third-Generation Family-Owned Business Since 1930

H.R. Stewart, Inc.
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Carbon Monoxide Testing Company

Your family's safety is our top priority. As a leading carbon monoxide testing company, we use state-of-the-art equipment to detect even the slightest presence of this odorless, colorless gas. Our thorough inspections provide peace of mind, ensuring your home remains a safe haven.
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HVAC System Evaluations

Our comprehensive HVAC system evaluations leave no stone unturned. We assess every component of your heating and cooling system, identifying potential issues before they become costly problems. This proactive approach helps maintain optimal performance and extends the life of your HVAC system.
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HVAC Test and Balance

Achieve perfect harmony in your home's climate with our HVAC test and balance services. We fine-tune your system to ensure even air distribution, eliminating hot and cold spots. This not only improves comfort but also boosts energy efficiency, potentially lowering your utility bills.
H.R. Stewart, Inc.

Save $25 On Any Billable Service Call

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$25 OFF

Get a $25 discount off your billable service call. 1 coupon per customer, per service. Valid only with coupon. Not valid with any other offer. Coupon code is Web 2021-25.

H.R. Stewart, Inc.

Save $300 On A High Efficiency Furnace Installed

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$300 OFF

Get a $300 discount on a high efficiency furnace installed. 1 coupon per customer, per service. Valid only with coupon. Not valid with any other offer. Coupon code is Web 2021-300.

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Here's what our satisfied customers are saying...

At H.R. Stewart Inc, we take pride in providing exceptional plumbing and HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of H.R. Stewart Inc and let others know what you think.