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Serving Chicago, IL and surrounding areas

Serving Northbrook, IL and surrounding areas

Shield of Protection Maintenance Plan

30% Off Equipment Repairs
Priority Service
$1,500 Referral Program

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Financing Options

Finance your service, repair or installation costs, subject to approved credit.

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We offer convenient financing with an easy application process in a multitude of options! Get special financing for 12 months, 36 months, 60 months...even 132 months available with approved credit. Call us NOW for details.
Guardian Heating & Cooling Service, Inc. BBB Business Review

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
  • No Service Fee

    On a paid repair.

    Expires: 04/30/2025

  • Up To $1,625 Off

    Complete System Installation.

    Expires: 04/30/2025

  • 20% Off

    Boiler Installation.

    Expires: 04/30/2025

  • No-Interest Financing

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

    Expires: 12/31/2025

What our clients are saying

Installing the best and servicing the rest!

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