U.S. Department of Energy - Energy Efficiency and Renewable Energy

Building Technologies Office

System Performance Improvements

Presentations from Track A, System Performance Improvements, of the U.S. Department of Energy Building America program's Residential Energy Efficiency Technical Update Meeting are provided below as Adobe Acrobat PDFs.

Presentations from Track A, Innovative System Performance Improvements, were presented in the following sessions:

• Air Sealing
• Ventilation (Day 1)
• Space Conditioning Distribution
• Foundation Insulation
• High-R Enclosures
• Ventilation (Day 2)
• Hydronic Systems
• Long Term Wall Durability

Air Sealing

• Multi Family Air Sealing Retrofit
• Nationwide Energy Impact of Air Sealing and Ventilation
• Energy Savings from Wind Washing Retrofits in Two-Story Homes

Ventilation (Day 1)

• ASHRAE 62.2 and Dehumidification
• Laboratory Evaluation of Supplemental Dehumidifiers and Energy Recovery Ventilators
• Health Impacts of Air Pollutants - Mitigation Assessment

Space Conditioning Distribution

• SPF Encapsulated and Insulation Buried Duct Retrofit
• Simplified Space Conditioning in Unoccupied Test Homes
• Heat Pump Energy Savings & Demand Reduction with Attic and Indoor Duct Systems

Foundation Insulation

• Hybrid Foundation Insulation Retrofits
• High R‐Value Foundations

High-R Enclosures

• Wind Pressure Testing of Walls with Exterior Rigid Foam
• Advanced Envelope Research for Factory Built Housing
• High Performance Hybrid Assemblies

Ventilation (Day 2)

• Automated Sealing of Home Enclosures with Aerosol Particles
• Retrofit Ventilation Strategies in Multifamily Buildings
• Residential Ventilation Controllers

Hydronic Systems

• Radiant Cooling as a Hot Climate Strategy for Improving EER
• Condensing Boilers: Optimization of System Performance in Cold Climates
• Steam System Balancing

Long Term Wall Durability

• Hygric Redistribution and Moisture Management
• Moisture Monitoring in Exterior Walls
• High-R Walls: Moisture Considerations