Funding Conservation Applied Research and Development Program (CARD) - PDF document

10/26/2016 Funding Conservation Applied Research and Development Program (CARD) 1

10/26/2016 Study goals What are the energy-using characteristics of Minnesota’s MHs? How much energy do MHs use? What energy-saving opportunities are there? MH = manufactured homes Method 2

10/26/2016 What is a manufactured home? Is this a manufactured home? Is this a manufactured home? Is this a manufactured home? 3

10/26/2016 Is this a manufactured home? Is this a manufactured home? Is this a manufactured home? A modular home, not a manufactured home 4

10/26/2016 Is this a manufactured home? Is this a manufactured home? Is this a manufactured home? Not according to the Census Bureau! There are about 80,000 3.5% of all housing MHs in units in the state Minnesota 5

10/26/2016 The MH share of MN housing is shrinking MHs as a Percent of all Minnesota Housing Source: U.S. Census Bureau (does not include MHs with heated additions) More than 50% built in 1990 or later 80% subject to federal or state code 6

10/26/2016 About half of MHs are in MH parks Homes in parks versus non-park homes 7

10/26/2016 Can you find the manufactured home? Can you find the manufactured home? 8

10/26/2016 Park homes mostly heat Many non-park homes with natural gas. heat with propane. CASE STUDY #1 9

10/26/2016 CASE STUDY #2 CASE STUDY #3 10

10/26/2016 CASE STUDY #4 MH households resemble apartment dwellers in terms of income and poverty… (Census data) 11

10/26/2016 …but have lower housing costs (Census data) Energy costs *Includes heating fuel, electricity and utility monthly fixed charges. 12

10/26/2016 Energy saving opportunities ($480 per home) Opportunities by interest and ability of homeowner 13

10/26/2016 Opportunities by interest and ability of homeowner 47% Ceiling Walls 50 40 30 20 HUD Plate R-value* 10 Nominal 0 Insulation 1980 1990 2000 2010 1980 1990 2000 2010 Floor levels 50 40 30 20 10 0 1980 1990 2000 2010 Year built *inverse of listed U-value 14

10/26/2016 Minnesota Administrative Rule 1350.3800 Minnesota Administrative Rule 1350.3800 Subpart 1 . Effect on seal or label. Any alteration of the Subpart 1 . Effect on seal or label. Any alteration of the construction, plumbing, heating, cooling, fuel-burning system, construction, plumbing, heating, cooling, fuel-burning system, electrical equipment, installation, or fire safety in a electrical equipment, installation, or fire safety in a manufactured home that bears a seal or label, prior to manufactured home that bears a seal or label, prior to receiving review and approval, and prior to obtaining permits, receiving review and approval, and prior to obtaining permits, which include necessary inspections, shall void the approval, which include necessary inspections, shall void the approval, and the seal or label shall be returned to the commissioner. and the seal or label shall be returned to the commissioner. 15

10/26/2016 Minnesota Administrative Rule 1350.3800 Subp. 3 . Application. Any person proposing an alteration to a Subp. 3 . Application. Any person proposing an alteration to a manufactured home bearing a seal or label shall make manufactured home bearing a seal or label shall make application for review and approval of the alteration to the application for review and approval of the alteration to the commissioner or to the local authority having jurisdiction on commissioner or to the local authority having jurisdiction on the form issued by the commissioner. the form issued by the commissioner. Insulation is limited in MN to restoring to original condition 100% 80% Measure incidence (%) 60% 40% 17% 20% 9% 0% Belly Ceiling 16

10/26/2016 Air leakage Air changes per hour @ 50 Pa Some homes that we visited had already been air sealed by WAP 17

10/26/2016 Measured leakage to outside* Duct leakage Percent of air-handler flow *from duct pressurization testing at 25 Pascals Condensing furnace? Yes 20% Furnaces No 80% 18

10/26/2016 Supplemental heating systems 40% None 39% Electric space heater 21% Other People who use space heaters are less likely to say they’re very comfortable (5) and more likely to say they’re somewhat uncomfortable (2)… Space heaters and comfort 19

10/26/2016 10% 66% 24% None Central Room Cooling 90% Interior closet Exterior closet 10% Water heating 61% 28% 10% Electric Natural gas Propane 20

10/26/2016 Hot-water-savings measure incidence Lighting Estimated percent of lighting energy use 84% 9% 6% 2% Incandescent CFL Linear LED fluorescent 21

10/26/2016 1 Refrigerators and freezers Plumbing heat tape Annual kWh Connected (year-round watts operation) 200 1,500 150 Heat rod 1,000 Heat tape 100 500 50 0 0 By site 22

10/26/2016 Repair issues Recommendations Utilities should work closely with the Utilities and the State could coordinate 1 4 Minnesota Weatherization Assistance on ways to address the significant use Program of electric space heaters Engage with WAP by helping identify the Utilities could expand the scope of their 5 2 many manufactured homes on private existing residential new construction property for targeting low-income services programs to provide incentives for the purchase and installation of an Manufactured-homes parks provide an ENERGY STAR manufactured home 3 opportunity for “blitz” type programs specifically targeting this housing 23

10/26/2016 Thank you Scott Pigg Jeannette LeZaks SPigg@Seventhwave.org JLeZaks@Seventhwave.org 608.210.7138 608.210.7156 24