In King County, WA, you may be eligible for insulation rebates of up to $800 through Puget Sound Energy's (PSE) Residential Energy Efficiency Rebate program. To qualify for these rebates, you must live in a single-family home, with four units or less, heated primarily with natural gas or electricity from PSE. Additionally, the insulation improvements must be completed by a pre-authorized independent contractor.

Additionally, you may be eligible for the 2011 Energy Efficiency Federal Tax Credit, which is equal to 10 percent of the energy efficiency improvement costs, up to $500.