AC Service, Air Conditioning Installation, Heater Installation, Air Conditioner Service & Furnace Repair in Oak Park, IL

Look no further if you’re searching for HVAC services in Oak Park, Illinois. You’ve reached the professionals from Guardian Heating & Cooling Service, where expertise combines with excellence in customer treatment. Proficient in residential and light commercial requirements, we provide skilled, swift, and sustainable heating/cooling installation, replacement, seasonal upkeep, and repairs. No matter the challenge, make, or model, we uphold high standards that satisfy.

Providing Residential and Light Commercial HVAC Service

Severe local weather creates a heavy workload for HVAC equipment. From brutal heat and humidity to extreme cold, snow, and wind, Guardian Heating & Cooling Service keep your indoor environment perfectly comfortable. We specialize in high-efficiency, intelligent, and adaptable technology that automatically adjusts output to demand, maintaining a more consistent temperature while minimizing wear and tear, carbon footprint, and running costs.

Providing Residential and Light Commercial HVAC Service Since 1953

Guardian Heating & Cooling Service handles furnace repairs, boiler repairs, AC repairs, ductwork repairs, thermostats, home automation and so much more. One of our specialties is proactive tune-ups for all heating and cooling equipment makes and models. There are no comparisons to our maintenance plans for benefits. Our factory-trained, bonded, insured, licensed, and NATE-certified technicians complete an intensive task list to maximize all components’ efficiency, output, reliability, and longevity, protecting your comfort, air quality, and investment.

Services We Offer In Oak Park, IL

Heating Repair
Heating Installation
Heating Service
AC Service
AC Repair
AC Installation

Serving Chicago, IL and surrounding areas

Serving Northbrook, IL and surrounding areas

HVAC ContractorHVAC CompanyAC CompanyFurnace Company ∴ Oak 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: 11/30/2024

  • 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!