Coupons

$500 OFF Rinnai Tankless Water Heater

Valid only to residential homeowners. Must present the coupon at the time of service. Cannot be combined with any other promotions or discounts. Other exclusions & restrictions may apply. Call for details.

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$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

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