Professional HVAC Services in Glen Ellyn, IL

Beat Chicago's brutal winters and scorching summers with reliable heating and cooling from Marshall Heating & Air. Available 24/7 for emergencies, with free estimates and upfront pricing.

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4.9★
Average Rating
250+
Happy Customers
#1
Rated in Glen Ellyn
5-Star Rated
🔒Licensed & Insured
🕐24/7 Emergency Service
🏆NATE Certified
💰Financing Available
🌿Energy Star Partner

24/7 Emergency HVAC Service When You Need It Most

Heating failures in freezing Glen Ellyn winters and AC breakdowns during humid summers can't wait. Marshall Heating & Air responds to emergencies day or night, with certified technicians ready to restore your comfort fast. We understand that a broken furnace or AC isn't just uncomfortable—it's urgent.

Why Glen Ellyn Families Trust Marshall Heating & Air

Our NATE-certified, EPA-certified technicians are licensed, insured, and background-checked for your peace of mind. We offer transparent upfront pricing, flexible financing (typically $3,000–$8,000 for installations), and partner with Energy Star for maximum efficiency. From routine tune-ups to full system replacements, we've earned a reputation for honest service and fair prices.

Year-Round Comfort for Chicago's Extreme Weather

Glen Ellyn residents face both sides of the temperature spectrum—subfreezing winters demand reliable furnace heating, while hot, humid summers require powerful air conditioning. Marshall Heating & Air specializes in AC repair and installation, furnace maintenance and replacement, heat pumps, and indoor air quality solutions. We keep you comfortable every season.

What Our Customers Say

★★★★★
“Our furnace quit during a bitter cold snap. Marshall Heating & Air had a technician at our door within an hour. Professional, courteous, and fixed it right. Couldn't be happier.”
— Sarah M.
★★★★★
“Had a new AC installed last summer. The quote was fair, installation was clean and quick, and the system runs great. Love the Energy Star efficiency.”
— Tom K.
★★★★★
“Been using Marshall for our spring and fall tune-ups for three years. They're knowledgeable, honest, and the pricing is transparent. Highly recommend.”
— Jennifer P.

Get Your Free HVAC Estimate

Fill out the form below for your free estimate. Same-day service available for emergency repairs.

Same-day service available. We respond within 30 minutes for emergencies.

Ready to Get Started?

Call now for a free consultation — we're here to help.

Call 555-555-5555