When money is tight, you’re building a new house, and you need to make some decisions regarding air-sealing or insulation, what exactly do you need to consider? First, hire a knowledgeable builder. The right person might be able to handle both air-sealing, and insulation needs, affordably without forcing you to choose one over the other. If you do have to choose, air-sealing is your first concern. Be sure that your contractor fully understands airtightness, the need for sealing holes in the building envelope, and an expectation that the airtightness result performs well over level 3.
Read the full article here: What’s More Important, Air-Sealing or Insulation? | GreenBuildingAdvisor.com