The dollar value of this offer will be prorated for home requiring less than 150 ft. Valid day of demonstration only. All homeowners must be present for demonstration. Factory rep will provide details at time of demonstration. Not valid with other discounts. Coupon has no cash value. One offer per install. Expires 4/15/18. Coupons may not be combined with any other offer. With Valpak® coupon only. Coupon void if altered.