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PresenPresentsts House as a System
Presented by Dana Mosher and Peggy Curran
House as a System Agenda
General Overview of House SystemsDiagnostics – Whole House ApproachHome Performance Contractor Challenge
“Think Outside the Box”Air MovementsMoistureVentilationQ & A
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.
What is House as a System?
• The systematic approach to improving the comfort, health, safety, energy efficiency and durability of a home.
Definition of System
• A group of interacting, interrelated, or interdependent elements forming a complex whole.
Building
Occupants
Environment
Moisture
UV RadiationHeat
The System, . . .
To understand you must first, . . .
BEFORE YOU DESIGN,BUILD OR RENOVATE
Courtesy Building Science Corp.
http://www.buildingscience.com/doctypes/guides-and-manuals
Air Leakage
Indoor Air Quality Concerns
• Formaldehyde• Lead• Radon• Asbestos• Vermiculite• Mold• Volatile Organic Compounds (VOC’S)
Drain plane continuity at windowsDrain plane continuity at windows
Courtesy Terry Brennan
Pan FlashingPan Flashing
Courtesy Terry Brennan
Moisture
• Big Factor in Durability of Home• Major influence IAQ• High Humidity – Kitchen – Bath – Basement• No Ventilation or Improper Ventilation
And a Moisture Problem
Courtesy Terry Brennan
Every Mold Problem is a Contamination Problem
Courtesy Terry Brennan
UNHEALTHY WALL SYSTEM
Heating System
• Regular maintenance – change air filter• Registers & Baseboards clean &
unobstructed• Bleed Trapped Air from Hot Water
Radiators• CO and Draft Test• Programmable Thermostats
HEATING SYSTEM EFFICIENCY
WHAT CONDITION INDOOR AIR QUALITY SYSTEM?
Indoor Air Quality Concerns
• Formaldehyde• Lead• Radon• Asbestos• Vermiculite• Mold• Volatile Organic Compounds (VOC’S)
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: [email protected]
• Contact – Peggy Curran - email: [email protected]
