wisconsin incremental cost_0
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8/7/2019 Wisconsin Incremental Cost_0
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MonthMortgage
Increase
Monthly
Energy Savings
Cuuv
Cs/Bf
1 $111.24 $18.33 -$92.91
2 $2.41 $18.33 -$76.99
3 $2.41 $18.33 -$61.07
4 $2.41 $18.33 -$45.15
5 $2.41 $18.33 -$29.23
6 $2.41 $18.33 -$13.31
7 $2.41 $18.33 $2.61 8 $2.41 $18.33 $18.53
9 $2.41 $18.33 $34.45
10 $2.41 $18.33 $50.37
11 $2.41 $18.33 $66.29
12 $2.41 $18.33 $82.21
13 $2.41 $18.33 $98.13
14 $2.41 $18.33 $114.05
15 $2.41 $18.33 $129.97
16 $2.41 $18.33 $145.89
17 $2.41 $18.33 $161.81
18 $2.41 $18.33 $177.73
2009 INTERNATIONAL ENERGY CONSERVATION CODE
FOR NEW HOMES IN
WISCONSIN
One o the major barriers to energy code adoption across the country is the concern that newcodes will add to the purchase price and potential buyers will not be able to aord the homes
they want. In Wisconsin, upgrading homes to the 2009 International Energy Conservation
Code will actually reduce out-o-pocket expenses or homeowners – paying o their initial
investment in a matter o months.
For the average new home, BCAP estimates the costs o the new code will add a total o $556
in construction costs—an increase o only 0.2%. When this amount is rolled into the average
mortgage, real costs to homebuyers will mean a down payment increase o $111.24, and
$2.41 extra on monthly mortgage bills.
These added mortgage costs will be oset, however, by monthly energy savings o $18.33,
helping homebuyers pay o their initial investment in only seven months. Ater breaking
even in month seven, the home will return buyers a prot o $16 per month—or a total
return o $192 every year. This return on investment is graphed below and presented as a
balance sheet at right.
Cumulative Beneft
Monthly Benet: +$16
Prot ater Year 1: +$82
Energy Code Payback for Wisconsin Single Family Homes
Monthly Mortgage
Increase: $2
Monthly Energy
Savings: $18
Down Payment
Increase: $111
0
$50
1 72 8 93 4 10 11 125 6
$100
-$100
-$50
-$150Month
This model assumes an average sale price of $267,451 for a
2,400 square foot home. The mortgage is conservavely set at
30 years, with 20% down and the current average naonwide
interest rate of 5.05%. With a lower down payment—such as
10% down—consumers will break even on their investment
even sooner.
Break Even
$ 1 6 pr of t ever y mont h
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Homes are the biggest investment we make—and everyone deserves a home that meets national minimum energy efciency standards. While it’s truethat homeowners can always improve the efciency o their homes, it is ar more cost-eective to upgrade building components during construction,
putting in better windows or swapping out one grade o insulation or a better one. Here’s what buyers get with the 2009 IECC:
For the ull Incremental Cost Analysis study, please visit bcap-ocean.org
2009 INTERNATIONAL ENERGY CONSERVATION CODE
Lghg: $50
Duct Sealing andTsg: $350
Isu Upgrds
Climate Zone 7: $1,184
Payback Period
7 hs
2-yr Prf
$273.25
Au Ergy Rduc
10%
5-yr Prf
$846.37
2
5Climate Zone 6
Climate Zone 7
insulation
r-value: 30a 38 floor