Coupons

Serving Families Throughout Central Illinois

$500 OFF Instant Rebate
With the purchase and installation of a Mitsubishi Electric Ductless system!
Limit one discount given per multi-room system. Discount is flat at $500 per qualifying system sold in residential applications. Product must be purchased from and installed by a participating Diamond Contractor during the promotional period of 9/1-11/30
Valid Sep 1, 2025 - Nov 30, 2025
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BOGO! Buy A/C get Furnace 1/2 Off
Contact us for details
Limit one per household. Cannot be combined with any other offers. Exclusions may apply
Valid Nov 16, 2025 - Feb 28, 2026
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$40 OFF Dispatch Fee
**New Customers Only**
Restrictions apply. Please call for details.
Valid Nov 1, 2025 - Nov 30, 2025
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$98 Drain Opening Restrictions apply. Please call for details.
Valid Nov 1, 2025 - Nov 30, 2025
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