Insulation and air-sealing improvements to the shell of your home will always improve your comfort, regardless of the size and type of heating system installed. Weatherization may also allow the installation of a smaller, more economical heating system.
Always buy “certified seed”. This is identified by a blue tag saying certified. By spending a few extra cents up front, you will save many hundreds of dollars along with the added aggravation of controlling unwanted weeds later. Choose the right grass seed, sod or sprigs for your situation.