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The most frequest question asked
by contractors and home owners alike is: Do you have any energy
saving results. The answer is YES! Four project homes have been
completed in the past year and have been evaluated during this
current heating season. These homes are in the Cold climate of
Idaho. The results are compelling. The attached files are available
for you to download and make part of a presentation folio.
First the two homes that are un
occupied. This means that the maintanence temperatures are usually
lower and there is no "make up" heating from normal living
traffic.
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Actual thermal performance of two buildings
using Radiant Barrier |
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| Building: |
Kavanagh
Residence, Golden Eagle |
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| Square
Feet |
9400 |
Gas
Rate/Therm |
$1.07 |
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| Month |
Gas
Bill |
Heating
Cost |
F
difference |
Heating$/SF/mo |
BTU's/SF/Month |
BTU's/SF/Hr. |
BTU's/SF/F/Day |
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| November |
430 |
344 |
37 |
$0.037 |
3,410.60 |
4.737 |
3.073 |
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| December |
702 |
413 |
46.5 |
$0.044 |
4,092.72 |
5.684 |
2.934 |
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| January |
689 |
416 |
47 |
$0.044 |
4,126.83 |
5.732 |
2.927 |
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Note: 3,6,9
days of Snow Melt, Building at 65F, Not
Occupied |
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| Building: |
Turner
Residence |
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| Square
Feet |
8100 |
Gas
Rate/Therm |
$1.07 |
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| Month |
Gas
Bill |
Heating
Cost |
F
Difference |
Heating$/SF/mo |
BTU's/SF/Mo |
BTU's/SF/Hr. |
BTU's/SF/F/Day |
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| November |
411 |
329 |
37 |
$0.041 |
3,783.09 |
5.254 |
3.408 |
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| December |
691 |
441 |
49.5 |
$0.054 |
5,069.35 |
7.041 |
3.414 |
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| January |
818 |
411 |
47 |
$0.051 |
4,728.87 |
6.568 |
3.354 |
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Note: 3,6,9
Days Snow Melt, Building at 70F, Occupied 10 days in Dec.; 4
days in January |
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| Notes: |
RESCheck assumes 25+ BTU's/SF averaged
for a heating season |
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The typical Actual heat used compared
to what DOE's RESCheck expected is |
22.72% |
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* This col. Is a check ..
The numbers should be close if the model is acting
properly! |
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| Updated:
2/14/06 |
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Test case Two:
Thes two
homes are occupied and demonstrate compelling results with normal
living temperatures and normal traffic, dogs and
all!
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Thermal Performance of two
Occupied
Buildings using Radiant
Barrier |
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| Building: |
Griffen
Ranch Residence |
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| Square
Feet |
3000 |
Gas
Rate/Therm |
$1.07 |
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| Month |
Gas
Bill |
Heating
Cost |
F
difference |
Heating$/SF/mo |
BTU's/SF/Month |
BTU's/SF/Hr. |
BTU's/SF/F/Day |
| November |
202 |
167 |
41 |
$0.056 |
5,187.95 |
7.205 |
4.218 |
| December |
295 |
245 |
59 |
$0.082 |
7,611.06 |
10.571 |
4.300 |
| January |
270 |
225 |
53 |
$0.075 |
6,989.75 |
9.708 |
4.396 |
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Ranch style,
Unconditioned Craw, single floor plan |
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| Building: |
Timberline
Residence |
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| Square
Feet |
3000 |
Gas
Rate/Therm |
$1.07 |
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| Month |
Gas
Bill |
Heating
Cost |
F
Difference |
Heating$/SF/mo |
BTU's/SF/Mo |
BTU's/SF/Hr. |
BTU's/SF/F/Day |
| November |
300 |
230 |
53 |
$0.077 |
7,145.08 |
9.924 |
4.494 |
| December |
369 |
299 |
66 |
$0.100 |
9,288.60 |
12.901 |
4.691 |
| January |
374 |
304 |
67 |
$0.101 |
9,443.93 |
13.117 |
4.698 |
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Two story,
1800SF 28Ft. High cathedral ceilings, garage heated, over
unconditioned crawl |
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| Notes: |
RESCheck assumes 32+ BTU's/SF averaged
for a heating season |
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The typical Actual heat used compared
to what DOE's RESCheck expected is |
31.72% |
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* This col. Is a check ..
The numbers should be close if the model is acting
properly! |
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| Updated:
3/9/2006 |
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