1. Retrofit Test Houses:
Greenbelt & Ft. Benning
Amber Wood
Manager, Energy Programs
Residential Energy Efficiency Technical Update Meeting
August 9, 2011
Driving Innovation in Housing Technology

2. Building America
 Private/public R&D
partnership sponsored by
DOE
 Energy-efficient solutions
for new and existing
housing
 Technologies/Systems
 Whole-House Test Homes
 Quality Processes

3. Greenbelt Homes, Inc.
 Privately-owned  Pilot Project
cooperative  7 buildings, 28
housing units
development  3 block
 1,600 units  2 frame
 1930’s-40’s  2 brick

4. Pilot Program
 Baseline Monitoring (2010-2011)
 Pre-Retrofit baseline
 Install Monitoring Equipment
 Air infiltration
 Temperature/Humidity/Energy Use
 Humidity
 Building Envelope Upgrades (2011-2012)
 Retrofit building envelopes
 Monitor envelope upgrade
 HVAC Upgrades (2012-2013)
 Retrofit HVAC
 Monitor upgrade package

5. Preliminary Testing &
Analysis
5

6. Cost Analysis
6

7. 7

8. Long-term Monitoring
8

9. Energy Use Analysis
9

10. Retrofit Solutions for
Enhancing Energy Efficiency
 Energy Savings: Household to National
 Comfort: Temperature swings to
consistency
 Moisture: Reduce potential problems
 Indoor Air: Controlled ventilation
 Technology: Options and performance
 Installation: Contractor training/QA
 Cost: Installation/operation/savings
 Value: Demonstrate values at sale

11. Questions?
11

12. Thank You!
Amber Wood
NAHB Research Center
Manager, Energy Programs
400 Prince George’s Blvd  Upper Marlboro, MD 20774
(direct) 301.430.6309  (fax) 301.430.6180
www.nahbrc.com
Driving Innovation in Housing Technology