1
Do you want to keep paying for heat?
-Eric Corey Freed
2
The Path to
Zero Energy Homes
A 2014 Pilot Program with
Efficiency Vermont
3
What is a Zero Energy Home?
4
What is a Zero Energy Home?
5
What is a Zero Energy Home?
Extreme energy efficiency
• A lot of insulation
• Very well air sealed
• Efficient stuff in ...
6
What is a Zero Energy Home?
7
What is a Zero Energy Home?
ANNUAL
Energy consumption
of the house
ANNUAL
Renewable energy
generated
=
8
What is a Zero Energy Home?
9
What is a Zero Energy Home?
10
the Path to a Zero Energy Home
• A plan to create a home that generates as much
energy as it uses over the course of a ...
11
Sounds like a lot of trouble…
Why Zero
Energy?
12
Vermont Has a Plan
Thermal Efficiency Task Force
• Save $1.5 billion
• Reduce fossil fuel 10%
• Improve 25% of homes
• ...
13
14
15
$0.00
$1.00
$2.00
$3.00
$4.00
$5.00
$6.00
Sep-92
May-93
Jan-94
Sep-94
May-95
Jan-96
Sep-96
May-97
Jan-98
Sep-98
May-99
...
16
17
Up with fresh
air and health
Down with
pollutants
Up with dry
Down with
moisture damage
and mold.
18
 Certificate of deposit
 401k
 IRA
 Mutual fund
Zero Energy Home
 Annuity
 Real estate
 403b
19
Climate
20
What is a Zero Energy Home?
+
Renewable
Energy
System
Extreme energy efficiency
• A lot of insulation
• Very well air s...
21
0
2000
4000
6000
8000
10000
12000
14000
16000
Air seal
400 cfm50
Insulate ceiling
R-60
Insulate walls
R-40
Insulate
fou...
22
0
2000
4000
6000
8000
10000
12000
14000
16000
Air seal
400 cfm50
Insulate ceiling
R-60
Insulate walls
R-40
Insulate
fou...
23
0
2000
4000
6000
8000
10000
12000
14000
16000
Air seal
400 cfm50
Insulate ceiling
R-60
Insulate walls
R-40
Insulate
fou...
24
Total Home Energy
25
Total Home
Energy
26
Deep Energy Retrofit
… an aggressive, no holds-barred, informed,
sophisticated, comprehensive project to…
SAVE AS MUCH ...
27
Strategies for Low Energy Homes
• Add insulation to exterior of walls
• Insulate the foundation
• Insulate the roof or ...
28
Obstacles
Vermiculite
Lead
Mold
Asbestos
Structural Problems
Wet Basement
Oddball Construction
Occupants
Cost
29
Efficiency Vermont Solutions
Support for homeowners
• What is being proposed
• What are the relative benefits and risks...
30
Can You Afford It?
Not doing something = Losing money
31
Payback
32
Home Energy Improvement Finances
Return on Investment
• This is an investment in
your home
• It pays dividends like an
...
33
It’s Not ALL About Energy
• Significant aesthetic upgrade
• Durability improved greatly
• Air quality assured
• Regular...
34
Typical Zero Energy Home Project
• Add insulation to exterior of walls + new siding
• Insulate the foundation + make ba...
35
Typical Zero Energy Home Project
Efficiency Improvements
Save $3000/year
Cost $20,000
Renewable Energy
Investment
Offse...
36
Cash flow analysis
37
Is a Deep Energy Retrofit Right for You?
• Aging in place
• Get control over housing costs
• Make space for caregiver/r...
38
DER not for you…
• Need to be willing to pay for it
• Don’t like the location of your home
• Looking for this work to p...
39
40
41
42
43
44
45
46
47
48
49
Mechanical Systems
Heat
• Ductless Mini-split
Heat Pump
• Mini-ducted Heat
Pump
• Altherma air-to-
water Heat Pump
• Gr...
50
Renewable Energy at Home
• Buy outright
– Prepay all energy bills for life of energy system
• Finance
– Pay as you go, ...
51
$0
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Year
Ele...
52
$0.00
$0.10
$0.20
$0.30
$0.40
$0.50
$0.60
0 5 10 15 20 25 30
Year
Electric Rates Over 25 Years
Utility Rate
LCOE Cash
L...
53
$0
$10,000
$20,000
$30,000
$40,000
$50,000
$60,000
Utility Cost with Inflation Solar Cash Sale Solar Loan Payments Leas...
54Nik Ponzio
55
Paul Scheckel
56Sandra Meidlenger
57
Community Solar
Investor-developed
• Monthly membership fee
• Buying a service
Owner-developed
• Pay for your share up ...
58
How do you pay for it?
Energy savings!
59
How do you pay for it?
Finance it!
• Spreads your payments out over time, just like your energy savings
• Second mortga...
60
How do you pay for it?
PACE!
• Perfect if you own your home outright
• 20% minimum equity
• Not a loan: assessment stay...
61
Next steps – Your Home
Meet with Dave or Li Ling
• Set goals
• Uncover high level obstacles
• Assess financial resource...
62
Next Steps – Your Town
• Is PACE right for your town?
• Is there an interest in community solar?
• Churches, commercial...
63
Efficiency Vermont
888-921-5990
Li Ling Young x7735
Dave Keefe x7764
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Path to Zero Energy in Vermont

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A Zero Energy Home (ZEH; often referred to as a net zero energy home) is a building that either uses no energy or one that generates as much energy as it uses. So, how does a home become a Zero Energy Home? All ZEH projects include these basic elements: vigorous energy conservation, renewable energy generation and a renewable energy-based heating system. However, the path to zero energy is unique to each home and family. Starting with why and how the owner wants to pursue zero energy, the path is also determined by house size and condition, renewable energy resource and the future needs of the family. Efficiency Vermont is investigating how to guide homeowners to retrofit their homes into ultra-low energy homes.

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Path to Zero Energy in Vermont

  1. 1. 1 Do you want to keep paying for heat? -Eric Corey Freed
  2. 2. 2 The Path to Zero Energy Homes A 2014 Pilot Program with Efficiency Vermont
  3. 3. 3 What is a Zero Energy Home?
  4. 4. 4 What is a Zero Energy Home?
  5. 5. 5 What is a Zero Energy Home? Extreme energy efficiency • A lot of insulation • Very well air sealed • Efficient stuff in the house • Lighting • Appliances • Heating, hot water • Energy management system • High performance ventilation • Whole home energy monitoring + Renewable Energy System
  6. 6. 6 What is a Zero Energy Home?
  7. 7. 7 What is a Zero Energy Home? ANNUAL Energy consumption of the house ANNUAL Renewable energy generated =
  8. 8. 8 What is a Zero Energy Home?
  9. 9. 9 What is a Zero Energy Home?
  10. 10. 10 the Path to a Zero Energy Home • A plan to create a home that generates as much energy as it uses over the course of a year. • It’s based on an analysis that determines the least cost way to balance conservation and generation • A mechanism for paying for the home improvements and renewable energy system
  11. 11. 11 Sounds like a lot of trouble… Why Zero Energy?
  12. 12. 12 Vermont Has a Plan Thermal Efficiency Task Force • Save $1.5 billion • Reduce fossil fuel 10% • Improve 25% of homes • Zero energy new buildings 90% by 2050
  13. 13. 13
  14. 14. 14
  15. 15. 15 $0.00 $1.00 $2.00 $3.00 $4.00 $5.00 $6.00 Sep-92 May-93 Jan-94 Sep-94 May-95 Jan-96 Sep-96 May-97 Jan-98 Sep-98 May-99 Jan-00 Sep-00 May-01 Jan-02 Sep-02 May-03 Jan-04 Sep-04 May-05 Jan-06 Sep-06 May-07 Jan-08 Sep-08 May-09 Jan-10 Sep-10 May-11 Jan-12 Sep-12 May-13
  16. 16. 16
  17. 17. 17 Up with fresh air and health Down with pollutants Up with dry Down with moisture damage and mold.
  18. 18. 18  Certificate of deposit  401k  IRA  Mutual fund Zero Energy Home  Annuity  Real estate  403b
  19. 19. 19 Climate
  20. 20. 20 What is a Zero Energy Home? + Renewable Energy System Extreme energy efficiency • A lot of insulation • Very well air sealed • Efficient stuff in the house • Lighting • Appliances • Heating, hot water • Energy management system • High performance ventilation • Whole home energy monitoring
  21. 21. 21 0 2000 4000 6000 8000 10000 12000 14000 16000 Air seal 400 cfm50 Insulate ceiling R-60 Insulate walls R-40 Insulate foundation R-30 New windows R-5 Savings
  22. 22. 22 0 2000 4000 6000 8000 10000 12000 14000 16000 Air seal 400 cfm50 Insulate ceiling R-60 Insulate walls R-40 Insulate foundation R-30 New windows R-5 Solar Savings
  23. 23. 23 0 2000 4000 6000 8000 10000 12000 14000 16000 Air seal 400 cfm50 Insulate ceiling R-60 Insulate walls R-40 Insulate foundation R-30 New windows R-5 Solar Savings Efficiency
  24. 24. 24 Total Home Energy
  25. 25. 25 Total Home Energy
  26. 26. 26 Deep Energy Retrofit … an aggressive, no holds-barred, informed, sophisticated, comprehensive project to… SAVE AS MUCH ENERGY AS POSSIBLE
  27. 27. 27 Strategies for Low Energy Homes • Add insulation to exterior of walls • Insulate the foundation • Insulate the roof or attic • Air seal everything really well • High performance window replacements • Install a high efficiency ventilation system • Highly efficient replacements for appliances and lighting • Water efficient fixtures and appliances • Better heating system
  28. 28. 28 Obstacles Vermiculite Lead Mold Asbestos Structural Problems Wet Basement Oddball Construction Occupants Cost
  29. 29. 29 Efficiency Vermont Solutions Support for homeowners • What is being proposed • What are the relative benefits and risks • What can I expect • How do I pay for this Support for builders • Building science • Innovations • Collaboration • Design
  30. 30. 30 Can You Afford It? Not doing something = Losing money
  31. 31. 31 Payback
  32. 32. 32 Home Energy Improvement Finances Return on Investment • This is an investment in your home • It pays dividends like an investment • It’s more reliable than the stock market • It’s been beating the stock market for decades Cash Flow • Best for understanding the impact it’s going to have on your finances • Most people finance, so small payments • Positive cash flow means money in your pocket
  33. 33. 33 It’s Not ALL About Energy • Significant aesthetic upgrade • Durability improved greatly • Air quality assured • Regular maintenance included • Excellent comfort • Often more useable space
  34. 34. 34 Typical Zero Energy Home Project • Add insulation to exterior of walls + new siding • Insulate the foundation + make basement less wet, more useable • Insulate the roof + turn attic into man cave • Air seal everything really well + eliminate drafts and cold floors • Replace windows + eliminate condensation • Install ventilation system + eliminate odors • Replace appliances, lighting and water fixtures
  35. 35. 35 Typical Zero Energy Home Project Efficiency Improvements Save $3000/year Cost $20,000 Renewable Energy Investment Offset $800/year Cost $12,500 Non-energy Improvements Maintenance cost $20,000 Capital upgrade cost $10,000
  36. 36. 36 Cash flow analysis
  37. 37. 37 Is a Deep Energy Retrofit Right for You? • Aging in place • Get control over housing costs • Make space for caregiver/rental income • Love your home, hate the smell • Need an aesthetic upgrade • Ready for regular capital maintenance • Asthma • Growing family • Buying a home • Fire restoration • Noisy road
  38. 38. 38 DER not for you… • Need to be willing to pay for it • Don’t like the location of your home • Looking for this work to pay for itself • Home is too big for you • Need a larger reason to do it • Climate commitment • Energy independence • Commitment to community
  39. 39. 39
  40. 40. 40
  41. 41. 41
  42. 42. 42
  43. 43. 43
  44. 44. 44
  45. 45. 45
  46. 46. 46
  47. 47. 47
  48. 48. 48
  49. 49. 49 Mechanical Systems Heat • Ductless Mini-split Heat Pump • Mini-ducted Heat Pump • Altherma air-to- water Heat Pump • Ground Source Heat Pump Ventilation • Essential! • Can help move heat around • Probably needs its own ducts • Just a few products are truly efficient Hot Water • Conservation is top priority • Electric resistance • Heat pump water heater • Drain heat recovery • Solar thermal
  50. 50. 50 Renewable Energy at Home • Buy outright – Prepay all energy bills for life of energy system • Finance – Pay as you go, but fixed cost for life of loan • Lease – Terms are generally arranged close to level cost
  51. 51. 51 $0 $1,000 $2,000 $3,000 $4,000 $5,000 $6,000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Year Electricity Cost Over 25 Years Utility Cost with Inflation Solar Loan Payments Lease Payments
  52. 52. 52 $0.00 $0.10 $0.20 $0.30 $0.40 $0.50 $0.60 0 5 10 15 20 25 30 Year Electric Rates Over 25 Years Utility Rate LCOE Cash LCOE Loan LCOE Lease
  53. 53. 53 $0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 Utility Cost with Inflation Solar Cash Sale Solar Loan Payments Lease Payments Total Cost Over 25 Years
  54. 54. 54Nik Ponzio
  55. 55. 55 Paul Scheckel
  56. 56. 56Sandra Meidlenger
  57. 57. 57 Community Solar Investor-developed • Monthly membership fee • Buying a service Owner-developed • Pay for your share up front • Need to pay for real estate Mini neighbor-developed • Arrangements vary • Can be an investment opportunity
  58. 58. 58 How do you pay for it? Energy savings!
  59. 59. 59 How do you pay for it? Finance it! • Spreads your payments out over time, just like your energy savings • Second mortgage or refinancing (equity) • Buying new… Include it in the mortgage • Interest is tax deductible
  60. 60. 60 How do you pay for it? PACE! • Perfect if you own your home outright • 20% minimum equity • Not a loan: assessment stays with the property • Don’t have to recover the cost of the work in resale value • Easier than a mortgage • Not enough for the whole project • www.efficiencyvermont.com/PACE
  61. 61. 61 Next steps – Your Home Meet with Dave or Li Ling • Set goals • Uncover high level obstacles • Assess financial resources Contractor(s) submits proposals Review proposals with Dave or Li Ling • Revisit goals • Get financing in order • Select strategy
  62. 62. 62 Next Steps – Your Town • Is PACE right for your town? • Is there an interest in community solar? • Churches, commercial buildings as solar cooperatives • Passively survivable buildings as community asset • Reaching out to neighbors • Aggressive energy objectives in town plan • Infrastructure for electric transportation
  63. 63. 63 Efficiency Vermont 888-921-5990 Li Ling Young x7735 Dave Keefe x7764

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