Building High Performance Homes Habitat for Humanity of Kent Co Brandyn Deckinga Brandyn Deckinga 7/12/2018
Objectives • Intro to Habitat for Humanity of Kent County • What do we build? • How do we build? • Why LEED for Homes? • Continuous Improvement: What’s next?
Habitat for Humanity of Kent Co Our Vision: A world where everyone has a decent place to live. Our Mission : Seeking to put God’s love into action, Habitat for Humanity of Kent County brings people together to build homes, communities, and hope.
What do we build? • Single Family and Multifamily Homes • 100+ Homes in past 7 years • New Construction and Gut Rehab
Performance Standards 172 LEED for Homes 97 Energy Star Certified Homes 42 Indoor Air Plus Certified Homes
Performance Standards • Average HERS score in 2017 was 49 for New and Rehab homes • Estimated average monthly energy bill in 2017 was $101.59
Specifications: Foundations — Name of Quoted Person or Publication or other
Specifications: Foundations — Name of Quoted Person or Publication or other
Specifications: Foundations — Name of Quoted Person or Publication or other
Specifications: Foundations — Name of Quoted Person or Publication or other
Specifications: Wall Assembly • WRB: DOW Housewrap • 2x6 walls 24’’ OC • Wet Blown Nuwool Cellulose • 1- 1.5’’ XPS Continuous Insulation • U .27 Windows • AirSealing : Sheeting to studs — Name of Quoted Person or Publication or other
Specifications: Wall Assembly • WRB: DOW Housewrap • 2x6 walls 24’’ OC • Wet Blown Nuwool Cellulose • 1- 1.5’’ XPS Continuous Insulation • U .27 Windows • AirSealing : Sheeting to studs — Name of Quoted Person or Publication or other
Specifications: Wall Assembly • WRB: DOW Housewrap • 2x6 walls 24’’ OC • Wet Blown Nuwool Cellulose • 1- 1.5’’ XPS Continuous Insulation • U .27 Windows • Air Sealing : Sheeting to studs — Name of Quoted Person or Publication or other
Specifications: Attic — Name of Quoted Person or Publication or other
Specifications: Attic • Air seal closed cell 2# foam at all penetrations, top plates, and insulation baffles • R 50 Cellulose • 12’’ Energy Heals — Name of Quoted Person or Publication or other
Specifications: Ventilation - Renuaire ERV- Energy Recovered Ventilation - Panasonic Whisper Green Bath Fans — Name of Quoted Person or Publication or other
Specifications: Ventilation - Renuaire ERV- Energy Recovered Ventilation — Name of Quoted Person or Publication or other
Specifications : Mechanicals • 96% AFUE 30 K BTU Goodman Forced Air Furnaces • .67 EF or better Bradford White Direct Vent Water Heaters • Energy Star Appliances
Specifications: Indoor Air Quality - Indoor Air Quality: - Dust Control - LOW or NO VOC materials - Ventilation Strategy
Resources: • http://www.homeinnovation.com/trends_and_reports/report _search?search=true&keywords=&topics=&years=2018
Key Points: • Conserving energy though the building envelope is greater than adding renewable energy sources • Air sealing is as important as insulation and insulation quality • Important to consider Initial costs vs Lifetime costs
— Name of Quoted Person or Publication or other
Performance vs Process Past: • Continual improvement in energy performance and ratings • Low cost performance improvement practices the focus of our research Future: • Continue maintaining high performance and durable construction, but focus attention to the process • How do we improve our process?
The Future: Off Site Construction: • Volumetric (Modular) • Panelized Wall Components • Component Manufacturing • Modules • Elements • Prefabrication
— Name of Quoted Person or Publication or other
Wall Panel Assembly 27
Site Set Day 1 8 AM April 16 th 2018 Norrkoping, Sweden
Site Set Day 1 4:30 PM April 16 th 2018 Norrkoping, Sweden
Questions? Phase 1: Phase 2: Phase 3: Phase 4: Phase 5: Homemade working Full Panel Operations Build Modular Small Scale Equipment, tables, racking, and with panelization Cells with Build Modular and Some Homemade tools equipment. Using what equipment, software, Mechanicals and foundation Panels and equipment we have etc. finishes installed Format: Brandyn Deckinga Modular and Definition: Panels Plus Panels Plus Full Panel Operations Modular Foundation bdeckinga@habitatkent.org Scale per year: 1-3 Houses 10-20 Houses 40-55 Houses 10 Houses 10-20 Houses 708 822 1525 Factory Size: 5,000-8,000 sq ft 10,000 to 15,000 sq ft 20,000 to 40,000 sq ft 60,000 sq ft + 100,000 sq ft + 539 New SW/560 710 Grandville SW Address Oakland 2018 2018-2019 2020-2024 2025- 2030- Ideal Timeline 30
Construction Industry in 2018: Declining Productivity McKinsey research finds that the construction industry could increase its productivity by a transformative five-to- tenfold if it were to move to a manufacturing-like system of mass production. — Name of Quoted Person or Publication or other
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