House as a System

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House as a System

  1. 1. PresenPresen tsts House as a System Presented by Dana Mosher and Peggy Curran
  2. 2. House as a System Agenda General Overview of House Systems Diagnostics – Whole House Approach Home Performance Contractor Challenge “Think Outside the Box” Air Movements Moisture Ventilation Q & A
  3. 3. House as a System About a third of owner-occupied homes are now at least 45 years old and an additional third is between 25 and 45 years old meaning that a large majority of homes are in increasing need of remodeling and repair… AND upgrade of the home’s performance.
  4. 4. What is House as a System? • The systematic approach to improving the comfort, health, safety, energy efficiency and durability of a home.
  5. 5. Definition of System • A group of interacting, interrelated, or interdependent elements forming a complex whole.
  6. 6. Building Occupants Environment Moisture UV Radiation Heat The System, . . .
  7. 7. To understand you must first, . . . BEFORE YOU DESIGN, BUILD OR RENOVATE Courtesy Building Science Corp. http://www.buildingscience.com/doctypes/guides-and-manuals
  8. 8. Air Leakage
  9. 9. Indoor Air Quality Concerns • Formaldehyde • Lead • Radon • Asbestos • Vermiculite • Mold • Volatile Organic Compounds (VOC’S)
  10. 10. Drain plane continuity at windowsDrain plane continuity at windows Courtesy Terry Brennan
  11. 11. Pan FlashingPan Flashing Courtesy Terry Brennan
  12. 12. Moisture • Big Factor in Durability of Home • Major influence IAQ • High Humidity – Kitchen – Bath – Basement • No Ventilation or Improper Ventilation
  13. 13. And a Moisture Problem Courtesy Terry Brennan
  14. 14. Every Mold Problem is a Contamination Problem Courtesy Terry Brennan
  15. 15. UNHEALTHY WALL SYSTEM
  16. 16. Heating System • Regular maintenance – change air filter • Registers & Baseboards clean & unobstructed • Bleed Trapped Air from Hot Water Radiators • CO and Draft Test • Programmable Thermostats
  17. 17. HEATING SYSTEM EFFICIENCY
  18. 18. WHAT CONDITION INDOOR AIR QUALITY SYSTEM?
  19. 19. Indoor Air Quality Concerns • Formaldehyde • Lead • Radon • Asbestos • Vermiculite • Mold • Volatile Organic Compounds (VOC’S)
  20. 20. Thank you for your interest in House as a System – Questions? • For additional information on Energy Efficiency Programs visit: www.nhsaves.com • Contact – Dana Mosher - email: dmosher@ccsnh.edu • Contact – Peggy Curran - email: margaret.curran@us.ngrid.com

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