not your uncle’s old mobe . . . but maybe your new one ? news from the factory floor
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Not Your Uncle’s Old Mobe . . . But Maybe Your New One ? News from the Factory Floor. Data Not Dogma 2014. The High Performance Manufactured Home. 1 st Four Prototype HPMHs. No Ducts=Fully Insulated Floor. Funded by the Energy Trust of Oregon: Partners: PECI, Delta-T, Fluid. - PowerPoint PPT PresentationTRANSCRIPT
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Not Your Uncle’s Old Mobe . . . But Maybe Your New One? News from the Factory Floor
Data Not Dogma 2014
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The High Performance Manufactured Home
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1st Four Prototype HPMHs
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No Ducts=Fully Insulated Floor
Funded by the Energy Trust of Oregon:Partners: PECI, Delta-T, Fluid
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Stuffed Full
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Walls With R-5 Foam Sheathing
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Well-Flashed U-.22 Windows
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R-49 Attic With Attention to Eaves
Untreated homes in this study : 5.3 ACH @ 50PaTreated homes in this study : 4.38 @ACH
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Dual-Vented HPWH De-coupled from Home Interior—Draws from Crawlspace
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DHP Hybrid Zonal Space Conditioning
Figure 2. Function test of successful factory install
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DHP Hybrid Zonal Space Conditioning
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The Secondary Heating Component
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The “Hybrid-Zonal” Approach
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Measuring the Results
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How’s it Working? SEEM predicts . . .
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HPMH #1 Monthly Usage
1st 7 months = 5,700 kWh ~ 9,800 kWh annual use
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Is it Comfortable?
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How is the Heating System Being Used?
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Room for Improvement?
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Can I Buy One? The Path to Market
• Hard costs are running $11k to $14k per home to upgrade from Energy Star
• Assuming some level of savings from establishing purchase contracts, retail probably will be a $20k+ price adder
• Opportunities for value engineering yet to be tested—window trade-off, different wall assemblies, newly arriving HPWH equipment?