Plumbing Manager-Washington Energy Services. Who are we. Washington Energy Service is the leading Home Improvement Company in the Puget Sound Area. We have a strong commitment to providing "Home Comfort" through sales, installation, and service of Retrofit Heating and Cooling Systems, Energy Efficient Windows, Exterior Doors, and James Hardie Siding. What we believe. We are “All for Home Success” we want to make our clients homes great for life. ...