Renovation in Pelham, NH This building has been totally renovated from top to bottom. The building has received a new roof, new electrical and heating systems, new windows, new siding, new doors, and brand new porches with granite pillars. Alpha Remodeling & Construction is a full service residential and commercial remodeling and construction contractor. We service both residential and commercial customers in Massachusetts and New Hampshire. Our craftsmen recently completed. At Alpha Remodeling & Construction, we sincerely believe that we can make a difference when it comes to your project.