Indoor Air Quality & Indoor Air Quality Testing in Northbrook, IL

Northbrook’s Trusted Indoor Air Quality Service Provider

While indoor air quality is a priority for every home and commercial property across the country, it is especially concerning in areas like Northbrook, Illinois, where each season brings a new challenge. From high and low humidity to a lack of essential ventilation, each living or working environment deals with unique issues. Guardian Heating & Cooling Service handles them all. We determine the right answer to specific problems and achieve effective and lasting improvement.

Indoor Air QualityIndoor Air Quality Testing ∴ Northbrook, IL


Call Guardian Heating & Cooling Service at 312-818-2840 or contact us online. We’ll start with a consultation, perform comprehensive testing and create a proactive plan to elevate the health, hygiene and comfort of the indoor environment. Our NATE-certified, licensed, insured, bonded and factory authorized technicians don’t rely on guesswork or encourage unnecessary products. We fully explain options, assist with decision-making and deliver a result that more than satisfies.

Guardian Heating & Cooling Service helps You Breathe Better with Indoor Air Quality Services

As a Carrier Factory Authorized Dealer, we offer an extensive and impressive selection of IAQ innovations, including air purifiers, HRV ventilators, whole-home humidifiers, dehumidifiers and UV lights. Modern air quality technology operates virtually silently, affects every cubic inch reached by the HVAC system, requires minimal maintenance and accommodates just about any type of heating/cooling equipment. Family owned and operated and continuing 72 years in the HVAC field, Guardian Heating & Cooling Service is large enough to handle your needs, and small enough to care.

Serving Chicago, IL and surrounding areas

Serving Northbrook, IL and surrounding areas

Indoor Air QualityIndoor Air Quality Testing ∴ Northbrook, 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
  • Limited Time Air Conditioner System Savings – Up to $1,700 off complete system

    *Restrictions apply. Cannot be combined with any other offers. Must present coupon at time of service. Not valid on prior purchase. See dealer for details and complete system requirements.

    Expires: 06/27/2025

  • 30% Off Any Repair with the Purchase of a Maintenance Agreement

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

    Expires: 06/15/2025

  • $500 OFF Air Conditioner

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

    Expires: 06/15/2025

  • No-Interest Financing

    For up to 72 months with Approved Credit.
    With Approved Credit. On Qualifying Systems only. Call Amber for details.

    Expires: 12/31/2025

What our clients are saying

Installing the best and servicing the rest!