Post on 16-Oct-2020
transcript
Healthy, Resilient, Affordable: Zero Energy Modular
AUGUST 17TH, 2020
Peter Schneider
Agenda
• Characteristics of Zero Energy Modular
• Pop-up Factory
• Getting Vermonters into a ZEM
• Examples of Projects
Factory-Built Variety
Mobile
• Pre-1976• No code
Manufactured
• Post-1976• HUD code last
updated 1994
Modular
• Meets local building & energy codes
Tropical Storm Irene
Evrita Crosby / VPR
VT’s Mobile Home Parks
• ~250 parks• 1/5 non-profit or
cooperatively owned
• ~7,000 lots• ~1/3 of homes
beyond their useful life
• Many vacant lots and abandoned homes
VT’s Mobile Home Parks
Comparing HUD and VT Code
VT Energy Code HUD ENERGY STAR HUDWall 20 19 13Floor 38 33 22Roof 60/49 33 30Window U 0.28 0.35 0.59Window SHGC NA 0.55 NAAir Leakage (ACH50) 3 7 NAHeating Efficiency NA 0.9 0.8Cooling Efficiency NA 13 13Thermostat Programmable Programmable NADuct Leakage Inside Thermal Envelope 5% NACrossover Duct NA 8 4Water Heating EF NA 0.91 0.88
Efficiency Vermont Certified: High Performance
AR&T Architects
Walls: R-40Roof: R-60Floor: R-40
1 ACH 50 U – Value </= 0.21
HRV/ERV w/ SRE >/= 75%
EVT Services & Prescriptive Spec
Mobile Home Replacement
VT Actual HUD Homes
HUD Manufactured Home• Home cost: $65,000
• Down payment: $13,000
• Closing costs: $2500
• Loan amount: $52,000
• Terms: 5.875% for 15 years fixed
• Monthly mortgage amount: $435
• Average Energy Costs: $250
• Lot Rent: $340
• Total: ~$1155/month (includes $130 for property taxes and insurance)
• Concerns:
– Energy Costs
– Comfort
– Durability
– Indoor Air Quality
– Asset Value
Reaching Income-Qualified Buyers
ZEM 2 bed/2 bath 14'x70'Base cost $115,000Sales Tax $5,940Foundation/Site Work $9,000Delivery and Set $7,000Utility hookup $1,8008 kW Solar Array $18,000Permits $1,500Solar Incentive -$10,000Utility incentive -$8,500CHT homeownership loan -$35,000Total Cost to Finance $104,740Down payment $0Interest Rate 3.25%Term (years) 30Monthly Mortgage Cost $456
Total monthly housing costMortgage payment $456Co-op fee $340Property taxes (after adjustment) $100Insurance $30Utility service fee $20 Heat & electricity $0Total monthly housing cost $946
Comparable HUD MH Package
Ten Home Pilot
ZEM Pop-Up Factory
https://www.veic.org/clients-results/reports/zero-energy-modular-factory-initiative
ZEM impact 2013-December 2019
$ energy (heat + electric) costs avoided by owners1,209,766
metric tons CO2
emissions avoided2,313
Vermont jobs directly created20
ZEM homes delivered97
High-quality materials reduce off-gassing
ZEM Applications
McKnight Lane - Waltham
Credit: Jacob Hannah for the New York Times
McKnight Lane - Waltham
Credit: Jacob Hannah for the New York Times
McKnight Lane - Waltham
McKnight Lane - Waltham
Simulated outage at McKnight Lane unit (courtesy Green Mountain Power)
https://greenmountainpower.com/products-all/
Habitat CollaborationNorth Ave Coop | Burlington
Habitat CollaborationNorth Ave Coop | Burlington
Habitat CollaborationNorth Ave Coop | Burlington
Habitat CollaborationNorth Ave Coop | Burlington
Habitat CollaborationNorth Ave Coop | Burlington
Neighborhood RevitalizationWillows | Bennington
Neighborhood RevitalizationWillows | Bennington
Neighborhood RevitalizationWillows | Bennington