Heating Service, HVAC Service, Boiler Repair, Air Conditioning Service & AC Repair in Elmwood Park, IL

Since 1953, Guardian Heating & Cooling Service has stood out as the go-to provider for a complete suite of residential and light commercial HVAC services in Elmwood Park, Illinois. From furnace repair, boiler repair, and AC installation to duct cleaning, sheet metal fabrication, and smart thermostats, we cover every need with outstanding quality products, craftsmanship, and customer care. Family-owned and operated, our reputation is earned by always putting the best interests of home and business owners first.

HVAC Installation, Repairs, and Maintenance in Elmwood

Give us a ring at 312-818-2840 to discuss opportunities, problem-solving and preventive services. We offer the most rewarding maintenance plan you’ll find anywhere. Along with installing today’s generation of advanced, intelligent, and energy-saving heating and cooling technology, we take proper care of all makes and models to optimize efficiency, air capacity, air quality, reliability, and longevity.

Qualified Technicians at Your Service

Guardian Heating & Cooling Service stands out because of our staff. We’ve brought together a team of factory-trained, NATE-certified, licensed, bonded, and insured professionals who are determined to pioneer the industry. Outfitted with cutting-edge diagnostic tools, a wealth of resources, and in-field experience, our technicians are always up to the challenge. Ask us how to improve the comfort, health, and carbon footprint of your living or working space. Let us make sure you’re maximizing the benefits of your HVAC system. We look forward to exceeding expectations.

Elmwood Park, IL Services

AC Repair
AC Installation
AC Service
Heating Service
AC Replacement
AC Maintenance

Serving Chicago, IL and surrounding areas

Serving Northbrook, IL and surrounding areas

Furnace RepairHVAC ServiceAC RepairBoiler RepairHeater Repair ∴ Elmwood Park, IL

Save today with our special offers

You love getting good deals, so here are some coupons to show our appreciation for considering us for your next heating or cooling installation or repair.

Special Offers
  • Financing Special 0% financing for up to 60 months

    With Approved Credit. On Qualifying Systems only. Call Amber for details. Expires 12-31-24.

  • 30% off

    30% Off any repair with the purchase of a maintenance agreement.*

    773-763-9224


    *Restrictions apply. Cannot be combined with any other offers. Must present coupon at time of service.

    Expires: 12/31/2024

  • Free 2nd Opinion

    773-763-9224


    *Cannot be combined with any other offers. Must present coupon at time of service.

  • Save Thousands w/ Local & Federal Rebates

    Learn More


    *Scheduling restrictions may apply. Limited spaces available. Ground-level residential equipment. Cannot be combined with any other offers. Must present coupon at time of service.

What our clients are saying

Installing the best and servicing the rest!