To make the most of your energy use, Puget Sound Energy (PSE) is offering up to $1,600 in instant rebates to pay part of the cost to insulate the ceilings, walls, floors, and ducts in your natural gas heated home.To qualify, you must heat your home with natural gas from PSE, and use a pre-authorized contractor participating in PSE's rebate program. Participating contractors will also test the carbon monoxide level in your home and provide a free carbon monoxide alarm.