• Collected and analyzed several data points for new homes, including: • Envelope air leakage • Efficacy in lighting • Duct leakage • Ceiling & exterior wall insulation • Basement & slab insulation • Windows For More Information and Data: Nebraska_Residential_Compliance_Evaluation_final.pdf 10 . [...] HVAC Performance • C402.5 – Air Leakage • C403– Mandatory Mechanical ❑C406.3 – Reduced Lighting Power Provisions ❑C406.4 – Enhanced Lighting • C404 – SWH Controls • C405 - Lighting ❑C406.5 – On-site Supply of • Building energy cost to be < Renewable Energy 85% of standard reference ❑C406.6 – Dedicated Outdoor Air System design building ❑C406.7 – High Eff. [...] Building Envelope + Air Sealing Package + HVAC Design, Equipment & Installation + ERV/HRV + Water Heating Design = Occupant Comfort 36 Moisture Management It Connects EVERYTHING! 37 The Major “Damage Functions” • Liquid water (bulk and capillary) • Air-borne water • Vapor • Radiation (UV degradation) • Pests • People 38 Climate Zones • Nebraska has only one climate zone – 5A • Cold & Moist climate. [...] Air Movement Air Movement Seeks Balance 50 How Does Air Get Around? Air In = Air Out For air movement you need: • A hole • A driving force • Another hole 51 Internally Generated Air Pressure Expansion of Conditioned Space • Conditioned space boundaries moving towards exterior surfaces of building • Garage isolated from house by air barrier/pressure boundary • Garage ventilated and conditioned inde. [...] 64 Balanced Ventilation • Blows air into and out of the house • Is cost effective by reclaiming energy from exhaust and supply airflows (60%-80%!) • Balances exhaust and supply flows (minimizes pressure differential) • Maintains the Minimum Ventilation Guideline automatically with proper set-up 65 Appraisals and Resale Value Appraisers • Unlike granite countertops, energy efficiency investments ar.
- Pages
- 76
- Published in
- United States of America
Table of Contents
- Introduction 1
- Slide 1: Nebraska’s Energy Code 2018 IECC Compliance Issues and Solutions 1
- Slide 2: Housekeeping 2
- Slide 3: Who We Are 3
- Slide 4: About the Nebraska Training Program 4
- Slide 5: Training Objectives 5
- Slide 6: Nebraska’s Energy Code 6
- The 2018 code 7
- Slide 7: The 2018 IECC 7
- Slide 8: The Energy Code 8
- Slide 9: Energy Code Background 9
- Slide 10: Nebraska Residential Field Study 10
- Slide 11: So, What’s Changed since 2009? 11
- Slide 12: The Energy Code is Everywhere 12
- Slide 13: 2018 IECC Mandatory Requirements 13
- Slide 14: 2018 IECC Mandatory Requirements 14
- Slide 15: 2018 IECC Mandatory Requirements 15
- Slide 16: 2018 IECC Mandatory Requirements 16
- Slide 17: Energy Code Compliance Pathways 17
- Slide 18: Energy Code Compliance Pathways 18
- Slide 19: Structure of Commercial 2018 IECC 19
- Slide 20: Commercial Buildings in the IECC 20
- Slide 21: New in 2018: Two Commercial Compliance Options 21
- Slide 22: Structure of Standard 90.1-2016 22
- Slide 23: What About Mixed Use? – C101.4.1 23
- Slide 24: Commercial Compliance Options 24
- Slide 25: Building Envelope Compliance Options 25
- Slide 26: Building Envelope 26
- Performance Testing 27
- Slide 27: Performance Testing 27
- Slide 28: Air Leakage & Continuous Air Barrier Testing Section C402.5 28
- Slide 29: Ventilation and Air Sealing 29
- Slide 30 30
- Slide 31 31
- Slide 32: Air Leakage Report 32
- Slide 33 33
- Slide 34 34
- Slide 35: Systems Commissioning and Completion Requirements Section C408 35
- Slide 36: Ventilation and I.A.Q. 36
- Moisture Management 37
- Slide 37: Moisture Management 37
- Slide 38: The Major “Damage Functions” 38
- Slide 39: Climate Zones 39
- Slide 40: Prioritizing Moisture Movement 40
- Slide 41: Bulk Water Management – Priority #1 41
- Slide 42: Always Allow For Drying 42
- Slide 43: Properly Lap Flashing 43
- Slide 44: Direct Water Away From Corners 44
- Slide 45: Capillary Moisture Flows - Priority #2 45
- Slide 46: Foundation Moisture Management 46
- Slide 47: Sill Plates Need Capillary Breaks 47
- Slide 48: Air Transport of Moisture – Priority #3 48
- Slide 49: Diffusion – Priority #4 49
- Air Movement 50
- Slide 50: Air Movement 50
- Slide 51: How Does Air Get Around? 51
- Slide 52: Internally Generated Air Pressure 52
- Slide 53: Batt Insulation Grading 53
- Heat Transfer 54
- Slide 54: Heat Transfer 54
- Slide 55: Heat Transfers in 3 Ways 55
- Slide 56: Practical Application - Windows 56
- Slide 57: Condensing Surface Temperatures 57
- Slide 58: Major Building Envelope Protection Systems 58
- Slide 59: “You don’t get what you expect, you get what you inspect!” 59
- HVAC System 60
- Slide 60: HVAC System 60
- Slide 61: HVAC Design and Loads 61
- Slide 62: HVAC Design and Loads 62
- Slide 63: HVAC Load Calculations - Commercial Section C403.1.1 (Mandatory) 63
- Slide 64: HVAC Design and Loads 64
- Slide 65: Balanced Ventilation 65
- Marketing 66
- Slide 66: Appraisals and Resale Value 66
- Slide 67: Appraisers 67
- Slide 68: Residential Green and Energy Efficient Addendum! 68
- Slide 69 69
- Slide 70: Marketing High Performance 70
- Slide 71: Equity! 71
- Slide 72: Existing Buildings Section C503 - Alterations 72
- Conclusion/Wrap up 73
- Slide 73: Key Takeaways 73
- Slide 74: Looking Ahead: 74
- Slide 75: Upcoming Trainings 75
- Slide 76: Thank You! Questions? 76
