Tag: attic

  • Does a Bigger Volume Mean More Heating and Cooling Load?

    Prime:  prime Subtitle:  Many people answer this question incorrectly Images:  …

  • Does a Bigger Volume Mean More Heating and Cooling Load?

    Prime:  prime Subtitle:  Many people answer this question incorrectly Images:  …

  • Buried Ducts Allowed in 2018 Energy Code

    Prime:  prime Subtitle:  The keys are duct leakage, R-values, and the vapor barrier Images:  Water vapor from the air condenses on air conditioning ducts in humid climates. It’s as normal as poorly insulated bonus rooms making occupants uncomfortable or cigarettes causing lung cancer†. Condensation on ducts is most common in crawl spaces and basements, where…

  • Buried Ducts Allowed in 2018 Energy Code

    Prime:  prime Subtitle:  The keys are duct leakage, R-values, and the vapor barrier Images:  Water vapor from the air condenses on air conditioning ducts in humid climates. It’s as normal as poorly insulated bonus rooms making occupants uncomfortable or cigarettes causing lung cancer†. Condensation on ducts is most common in crawl spaces and basements, where…

  • Building Science Puzzles: The Jigsaw Approach

    Subtitle:  Tracking down performance problems is all about getting the building science right — and following the rules of jigsaw puzzles Images:  Just about every week, I get a call or an email that turns into a building science puzzle. While the problems are varied, how you solve them doesn’t change. First, you understand how…