JOM025 Heat Calcs revised 10162013 Glazing Schedule
Project Information Contact Information
2275 R5 Tacoma Peoples Builder
R402.3.3 Exception (15 sq. ft. max.)
Vertical Glazing (Windows and glazed doors)
Plan Component Glazing Width Height Glazing
ID Description Ref. U-factor Qt. Feet Inch Feet Inch Area UA
A6 Vinyl Dual-Glazed LowE Alside 0.34 1 5 4 6 22.5 7.65
A6 Vinyl Dual-Glazed LowE Alside 0.34 1 5 6 10 34.2 11.62
A6 Vinyl Dual-Glazed LowE Alside 0.34 2 3 4 6 27.0 9.18
A6 Vinyl Dual-Glazed LowE Alside 0.34 2 2 4 6 18.0 6.12
A8 Vinyl Dual-Glazed LowE Alside 0.34 4 4 4 6 72.0 24.48
A8 Vinyl Dual-Glazed LowE Alside 0.34 1 3 3 9.0 3.06
A8 Vinyl Dual-Glazed LowE Alside 0.34 2 1 6 1 6 4.5 1.53
A8 Vinyl Dual-Glazed LowE Alside 0.34 1 3 4 6 13.5 4.59
A8 Vinyl Dual-Glazed LowE Alside 0.34 1 2 4 6 9.0 3.06
0.0 0.00
0.0 0.00
0.0 0.00
0.01 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
0.0 0.00
Sum of Area and UA 209.7 71.29
Area Weighted U= UA/Area 0.34
Simple Heating System Size: Washington State
This heating system sizing calculator is based on the Prescriptive Requirements of the 2012 Washington State Energy Code(WSEC)and ACCA
Manuals J and S.This calculator will calculate heating loads only.ACCA procedures for sizing cooling systems should be used to determine cooling
loads.
The glazing(window)and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of
0.30. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC.
Please fill out all of the green drop-downs and boxes that are applicable to your project.As you make selections in the drop-downs for each section,
some values will be calculated for you. If you do not see the selection you need in the drop-down options,please call the WSU Energy Extension
Program at(360)956-2042 for assistance.
Project Information Contact Information
2275 R5 Tacoma Peoples Builder
Heating System Type: O Forced Air Furnace 0 Heat Pump
To see detailed instructions for each section,place your cursor on the word"Instructions"
Design Temperature
Instructions Design Temperature Difference(4T) 53
Olympia,AP. AT=Indoor(70 degrees)-Outdoor Design Temp
Area of Building
Conditioned Floor Area
Instructions Conditioned Floor Area(sq ft) 2,275
Average Ceiling Height Conditioned Volume
Instructions Average Ceiling Height(ft) 8.0 18,200
Glazing and Doors U-Factor X Area = UA
Instructions 0.30 210 62.91
Insulation
Attic U-Factor X Area = UA
Instructions R-49 0.026 1,406 36.56
Single Rafter or Joist Vaulted Ceilings U-Factor X Area UA
Instructions Select R-Value . No selection 0 ---
Above Grade Walls(seeFiqure 1) U-Factor X Area UA
instructions R-21 w 0.056 2,555 143.08
Floors U-Factor X Area UA
Instructions R-30 � 0.029 1,406 40.77
I
Below Grade Walls(see Fiqure 1) U-Factor X Area UA
Instructions Select R-value w No selection 0 ---
Slab Below Grade(see Fia 1) F-Factor X Length UA
Instructions No selection ---
Select conditioning �
Slab on Grade(see Figure 1) F-Factor X Length UA
Instructions No selection ---
Select R-Value �
Location of Ducts
Instructions Duct Leakage Coefficient
Conditioned Space
1.00
Sum of UA 283.32
Envelope Heat Load 15,016 Btu/Hour
Figure 1. Sum ofuAXAT
Air Leakage Heat Load 10,418 Btu/Hour
Volume X 0.6 X AT X.018
Above Grade Building Design Heat Load 25,434 Btu/Hour
Air Leakage+Envelope Heat Loss
Building and Duct Heat Load 25,434 Btu/Hour
Ducts in unconditioned space:Sum of Building Heat Loss X1.10
Ducts in conditioned space:Sum of Building Heat Loss X1
Maximum Heat Equipment Output 35,607 Btu/Hour
Building and Duct Heat Loss X1.40 for Forced Air Furnace
Building and Duct Heat Loss X 1.25 for Heat Pump
(07/01/13)
Prescriptive Energy Code Compliance for All Climate Zones in Washington
Project Information Contact Information
2275 R5 Tacoma Peoples Builder
This project will use the requirements of the Prescriptive Path below and incorporate the
the minimum values listed. In addition, based on the size of the structure, the appropriate
number of additional credits are checked as chosen by the permit applicant.
Authorized Representative Date
All Climate Zones
R-Value a U-Factor a
Fenestration U-Factor b n/a 0.30
Skylight U-Factor n/a 0.50
Glazed Fenestration SHGCb,e n/a n/a
Ceiling 49' 0.026
Wood Frame Wall9,k,l 21 int 0.056
Mass Wall R-Value' 21/21" 0.056
Floor 309 0.029
Below Grade Wallc,k 10/15/21 int+TB 0.042
Slab R-Value&Depth 10, 2 ft n/a
*Table R402.1.1 and Table R402.1.3 Footnotes included on Page 2.
Each dwelling unit in one and two-family dwellings and townhouses, as defined in Section 101.2 of the
International Residential Code shall comply with sufficient options from Table R406.2 so as to achieve the
following minimum number of credits:
❑ 1. Small Dwelling Unit: 0.5 points
Dwelling units less than 1500 square feet in conditioned floor area with less than 300 square feet of
fenestration area. Additions to existing building that are less than 750 square feet of heated floor area.
[212. Medium Dwelling Unit: 1.5 points
All dwelling units that are not included in#1 or#3, including additions over 750 square feet.
❑ 3. Large Dwelling Unit: 2.5 points
Dwelling units exceeding 5000 square feet of conditioned floor area.
Table R406.2 Summary
Option Description Credit(s)
1a JEfficient Building Envelope 1a 0.5 ❑
lb Efficient Building Envelope lb 1.0 ❑
1c Efficient Building Envelope 1c 2.0 ❑
2a Air Leakage Control and Efficient Ventilation 2a 0.5 ❑
2b Air Leakage Control and Efficient Ventilation 2b 1.0 ❑
2c Air Leakage Control and Efficient Ventilation 2c 1.5 ❑
3a High Efficiency HVAC 3a 0.5 Q 0.5
3b High Efficiency HVAC 3b 1.0 ❑
3c High Efficiency HVAC 3c 2.0 ❑
3d High Efficiency HVAC 3d 1.0 ❑
4 High Efficiency HVAC Distribution System 1.0 0 1.0
5a Efficient Water Heating 0.5 ❑
5b Efficient Water Heating 1.5 ❑
6 Renewable Electric Energy 0.5 *1200 kwh 0.0
Total Credits 1.50
*Please refer to Table R406.2 for complete option descriptions
http://www.energy.wsu.edu/Documents/2012%20Res%20Energy.pdf
Table R402.1.1 Footnotes
For SI: 1 foot .= 304.8 mm, ci .=continuous insulation, int .= intermediate framing.
a R-values are minimums. U-factors and SHGC are maximums. When insulation is installed in a cavity which is
less than the label or design thickness of the insulation, the compressed R-value of the insulation from
Appendix Table A101.4 shall not be less than the R-value specified in the table.
b The fenestration U-factor column excludes skylights.The SHGC column applies to all glazed fenestration.
Exception: Skylights may be excluded from glazed fenestration SHGC requirements in Climate Zones 1
through 3 where the SHGC for such skylights does not exceed 0.30.
`"10/15/21.+TB" means R-10 continuous insulation on the exterior of the wall, or R-15 on the continuous
insulation on the interior of the wall, or R-21 cavity insulation plus a thermal break between the slab and the
basement wall at the interior of the basement wall. "10/15/21.+TB" shall be permitted to be met with R-13
cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or
exterior of the wall. "10/13" means R-10 continuous insulation on the interior or exterior of the home or R-
13 cavity insulation at the interior of the basement wall. "TB" means thermal break between floor slab and
basement wall.
d R-10 continuous insulation is required under heated slab on grade floors. See R402.2.9.1.
e There are no SHGC requirements in the Marine Zone.
f Basement wall insulation is not required in warm-humid locations as defined by Figure R301.1 and Table
R301.1.
g Reserved.
h First value is cavity insulation, second is continuous insulation or insulated siding, so "13.+5" means R-13
cavity insulation plus R-5 continuous insulation or insulated siding. If structural sheathing covers 40 percent
or less of the exterior, continuous insulation R-value shall be permitted to be reduced by no more than R-3
in the locations where structural sheathing is used to maintain a consistent total sheathing thickness.
The second R-value applies when more than half the insulation is on the interior of the mass wall.
For single rafter-or joist-vaulted ceilings, the insulation may be reduced to R-38.
k Int. (intermediate framing) denotes standard framing 16 inches on center with headers insulated with a
minimum of R-10 insulation.
Log and solid timber walls with a minimum average thickness of 3.5 inches are exempt from this insulation
requirement.
Table R402.1.3 Footnote
a Nonfenestration U-factors shall be obtained from measurement, calculation or an approved source or as
specified in Section R402.1.3.