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Reference Publication:   Chandra, Subrato, Neil Moyer, Danny Parker, David Beal, David Chasar, Eric Martin, Janet McIlvaine, Ross McCluney, Andrew Gordon, Mike Lubliner, Mike McSorley, Ken Fonorow, Mike Mullens, Mark McGinley, Stephanie Hutchinson, David Hoak, Stephen Barkaszi, Carlos Colon, John Sherwin, Rob Vieira, and Susan Wichers. Building America Industrialized Housing Partnership, Annual Report - Sixth Budget Period. 4/1/04 - 3/31/05.
Building America Industrialized Housing Partnership, Annual Report - Sixth Budget Period

II. BAIHP Technical Assistance (I-M)

From January 13 to January 16, 2005, Orlando was host to the 2005 International Builders’ Show, sponsored by National Association of Home Builders. The show was a massive success; the best attended International Builders’ Show on record, with over 105,000 housing professionals in attendances. Located adjacent to the International Builders' Show is an adjunct show, the Show Village.

The Reed Building Group, publishers of Professional Builder, Professional Remodeler, Custom Builder and GIANTS magazines, sponsored the Show Village. The show village is a unique environment where attendees explore showcase homes. Attendees see and learn about products in actual houses, which allows for interaction with manufacturers' products and gives some idea how the products will appear and function in their actual installed environment.

A. New American Home, Built by Goehring Morgan Construction
Orlando, Florida
Category A, 1 home

Builder of the New American Show Home for the 2005 National Builders Show in Orlando, Florida. BAIHP supported IBACOS by testing (Table 18) and rating the home and. Data collected at this home by IBACOS will be processed and archived with support from FSEC’s data management system.

Table 18 Test Results for 2005 New American Home

Test

Measurements

Notes

Whole House Air Tightness

CFM50=5552
ACH50=5.0

C=549, n=0.591, r=.9996

Duct Leakage AHU1 Master Suite

CFM25,total = 160
CFM25,out = 48

3 Ton
AHU Flow = 1203

Duct Leakage AHU2

CFM25,total = 300
CFM25,out = zero

5 Ton
AHU Flow = 1550

Duct Leakage AHU3 Suite 2

CFM25,total = 104
CFM25,out = 32

2 Ton
AHU Flow = 898

Duct Leakage AHU4 Foyer

CFM25,total = 155
CFM25,out = 40

2 Ton
AHU Flow = 1120

All Duct Leakage

CFM25,total = 719
CFM25,out = 120

12 Tons
AHU Flow = 4771


B. Discovery Custom Homes Modular Showhome

In 2005 the Show Village featured a Discovery Custom home, made by a division of Palm Harbor Homes in their Plant City, Florida factory. The Tuscany model of the Palm Harbor show house is a one-story, three-section, modular factory-crafted home. It has three bedrooms, two bathrooms, and a home office. It has 2084 ft 2 of air-conditioned space, a 528-ft2 garage, a 48-ft 2 portico, and a 385-ft 2-patio deck.

When Palm Harbor was presented with this opportunity to showcase one of their homes, they solicited help from BAIHP to showcase energy efficiency, good indoor air quality, and green building practices. Features incorporated into the home are:

Energy Features

  • Unvented structurally insulated panel (SIP) roof over master bedroom and hearth rooms
  • R-33 vented ceiling over first two sections
  • Conditioned, unvented insulated crawlspace
  • Low-E Argon metal windows U=.47, SHGC=.32
  • R-22 walls
  • SEER 17.95/ HSPF 7.95 two-speed compressor right-sized heat pump, programmable thermostat with outdoor thermostat which prevents strip heat turn-on above freezing
  • Instantaneous propane water heater
  • Compact fluorescent lights in selected areas
  • Energy Star Appliances
  • Estimated energy savings = 35% on a whole house basis
  • Home Energy Rating Scale (HERS) Score = 93 Out of 100

Indoor Air Quality Features

  • Fresh air ventilation with filter on outside air intake (fresh air is provided only when the air handler unit is on)
  • Dehumidistat (built-in with thermostat)
  • MERV9 media filter with 3500-hour life
  • Ultra-violet A lights with catalyst to reduce volatile organic compounds
  • Low VOC materials and VOC Source Control

Green Building Features

  • Enhanced indoor air quality and energy efficiency
  • Resource efficient construction and construction waste management
  • Water efficient appliances and fixtures
  • Durable, low maintenance design
  • Meets Florida Green Building Coalition standards

After the show, the home will be donated to Orlando's Home Builders Association's Foundation. Palm Harbor is the 2001 Gold Award winner of the National Housing Quality Award.

C. Not So Big Showhouse

Sarah Susanka Not So Big Showhouse for the 2005 Builders show. (Figure 28) FSEC assisted CARB with the HVAC system design. FSEC tested the airtightness of the ducts and the envelope, assisted in the design and installation of the PV and solar water heater, performed the Energy Star and FGBC certifications.

Figure 28 Not So Big showhouse in Orlando, FL.

The home’s energy saving features which were selected with the hot-humid Florida climate in mind, include:

  • High efficiency air conditioning (SEER 16)
  • Active dehumidification and ventilation
  • Solar water heating with tankless gas backup
  • High performance glazing
  • Reflective metal roofing

FSEC has installed instrumentation and plans to display the data on the web. The measured energy use will help determine if the energy features are working out as planned. More info at http://www.notsobigshowhouse.com/

  • Comfort conditions (temperature and relative humidity)
  • Total energy use
  • Detailed data on cooling, heating, and water heating energy use (the three main energy users in American homes)


  • Kit HomeBuilders West
    Caldwell, Idaho

Kit Home Builders West was the builders of the Zero Energy Manufactured Home in response to an RFP issued by the Bonneville Power Authority in partnership with BAIHP staff in Washington and Idaho. See Zero Energy Manufactured Home in the Research section of this publication.

  • Marlette Homes, Kokanee Creek
    Everett, Washington
Figure 29 Kokanee Creek HUD-code Multi-Story HUD-code housing

In 2004, Marlette was involved with a new 32 home multi-story development called Kokanee Creek (Figure 29). BAIHP staff conducted field evaluation on the first set of homes and provided technical assistance to Marlette and the developer HomeSight, related to the envelope and duct leakage improvements.

 



  • Marlette Homes, NOGI Gardens
    Seattle, Washington
    Technical Assistance by BAIHP Contractors Washington State University Energy Program, Oregon Office of Energy and Idaho Department of Water Resources, Energy Division
    Awards: HUD Secretary’s Gold Award for Excellence
    Energy Value Housing Award
Figure 30 Nogi Gardens, America's first HUD Code attached town houses.

Nogi Gardens is a 75-home community located in southeast Seattle The project contains the first two-story, HUD Code attached “townhouse homes.” (Figure 30) All the homes have been built by Marlette Homes in Hermiston, OR to Super Good Cents/Energy Star specifications. A blower door test of the building envelope showed 5.0 ACH at 50PA, average for a manufactured home in the Pacific Northwest. Duct leakage is very low, due to Marlette’s use of mastic and duct risers.


  • Miami-Dade HOPE VI Project
    Miami (Dade County), Florida
    Technical Assistance by BAIHP Researchers Rob Vieiraand Eric Martin

This project was a community revitalization program aimed at lessening poverty density by demolishing dilapidated public housing and replacing it with new, less dense housing. In this HUD-sponsored inner city redevelopment project, about 860 public housing units were to be torn down and replaced with 450 new units. The new units would have included duplexes, townhouses, and single-family homes.

As part of a sustainability team, FSEC participated in the initial design charette which reviewed project home designs, made architectural recommendations on wall and roof assemblies, exterior finishes, and other energy-related design and construction features.

During 2002, FSEC provided assistance to Miami-Dade Department of Environmental Resources Management when they emphasized the importance of Building America principles and techniques to the Miami-Dade Housing Authority. The Housing Authority conducted a mandatory value-engineering meeting to ensure that their Hope VI Project would meet the available budget. FSEC staff, as well as other stakeholders, took part in housing discussions and analysis to ensure that the Building America principles and techniques specified early in the project would be considered and not engineered out of the project.

Unfortunately, this project never got past the design stage due to a lack of cooperation among existing residents of the area.

  • Midgard Associates
    Panama City, Florida
    Category A, 358 Homes

Midgard Associates is a new developer partner aquired by BAIHP in November 2004. The developer plans to develop a community called East Bay, in the Florida panhandle, with ground to break sometime in Summer 2005. Although the developers will not be building any of the homes, they have a wealth of building knowledge in the hot/humid climate, and are responsible for the construction of the Captain Planet Zero Energy Cottage.

The developers have a vision to oversee development of a high-performance, sustainable community that responds to the environment of Florida’s gulf coast. They have enlisted the assistance of BAIHP to help develop a builder program, including home specifications and performance reviews. They have also inquired about having BAIHP develop and deliver training to the selected builders. Midgard Associates have expressed an interest in all homes achieving green certification, and implementing other innovative community scale measures such as community scale geothermal heat pumps.

In March 2005, Midgard toured select developments in Central Florida including Lakewood Ranch to see how others have implemented builder programs that emphasize high performance home construction. The visit culminated at FSEC, where collaborations and partnership was discussed. Discussions are currently underway for the design of a demonstration/info center. This will be similar in nature to the Captain Planet Zero Energy Cottage, yet be more reminiscent of the scale and architecture of other homes to be built within East Bay.


Disclaimer: This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof.

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