I think people who want to renovate the purpose should be spread can afford just renovated. And reducing energy consumption by air conditioning equipment, structure and high performance insulation and airtight windows and doors to air out, rather than to create an all-electric house of anything, get the health of the family, from ability to live a rich, if the environment, the result is important to get a home energy-saving design. Add insulation to the roof and ceiling, designed to minimize the heat out of indoor and out, I try to ask during renovation. It can also improve performance ammendment airtight, by adding the perspective of design and materials used for the natural environment there, perhaps in pursuit of the most convenience and ease of living life? I put a hand into the house a kind of necessity. The floor and walls to improve the livability and comfort of home.