Found some Lowes coupons:
10% OFF $50+ deal: Coupon Registration (you need to sign up to get it )

Up to 35% off discount for major appliances: Appliances at Lowe's: Refrigerators, Dishwashers, Microwaves, Small Appliances (no need to sign up)

5% off every day + a lot more: Shop Bosch Kitchen at!

Found more here:
Lowes coupons 2013