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1990-06-18
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Page 1 of 2
BTU Heating/Cooling Analysis
01-29-1990
A to Z Unlimited
901 Ferndale Blvd.
High Point, NC 27262
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****************************************************************************
This analysis prepared especially for: John Doe
John Doe
1234 Anywhere Ct.
High Point, NC 27260
*********** HEATING ***********
The heating outside design temperature is 10 degrees fahrenheit.
The heating inside design temperature is 72 degrees fahrenheit.
The heating temperature differential is 62 degrees fahrenheit.
The heat loss for this building is 91,496 BTU's.
The heating unit must handle 1,039 CFM's for proper heating.
Any heating unit must be rated as close as possible to the heat loss
calculated in this study, but not less than that amount.
The above CFM allows an 80 degrees rise in inlet to outlet air temperature.
*********** COOLING ***********
The cooling outside design temperature is 95 degrees fahrenheit.
The cooling inside design temperature is 72 degrees fahrenheit.
The cooling temperature differential is 23 degrees fahrenheit.
The heat gain for this building is 35,665 BTU's.
This translates into 3.0 tons of cooling.
The preferred cooling CFM is 1,069 CFM's for proper cooling.
For high humidity areas use 891 CFM's
For normal humidity areas use 1,069 CFM's
For low humidity areas use 1,248 CFM's
Any cooling unit must be rated as close as possible to the heat gain
calculated in this study, but not less than that amount.
****************************************************************************
The writers of the software that was used in generating the above in-
formation assumes no responsibilities for any losses that may be
incurred by the use of the above information.
Page 2 of2
BTU Heating/Cooling Analysis
01-29-1990
John Doe
1234 Anywhere Ct.
High Point, NC 27260
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****************************************************************************
*********** Structural analysis is based on the following data ***********
Based on 1055 square feet, total exposed outside wall area.
Wall construction is : Frame wall w/R-11.
The wall has a heat transfer factor of .07 heating or cooling.
Based on 2 doors, assuming 20 square feet per door.
Door construction is : Solid wood, no storm.
The door has a heat transfer factor of .713 heating and .46 cooling.
Based on 23 windows, assuming 15 square feet per window.
All window construction is : Single glazed, plain, no storm.
All windows have a heating factor of 1.505
There are 5 windows facing north, with a cooling factor of 30
There are 0 windows facing northeast/west, with a cooling factor of 65
There are 13 windows facing east/west, with a cooling factor of 90
There are 0 windows facing southeast/west, with a cooling factor of 80
There are 5 windows facing south, with a cooling factor of 50
Based on 1800 square feet total floor area.
The foundation is : Over uncond. basement/enclosed crawl.
The floor has a heat transfer factor of .312 heating and 0 cooling.
The ceiling is : Ceiling under/vent. attic/uncond. room.
Ceiling insulation is : R-11.
The ceiling has a heat transfer factor of .088 heating and .083 cooling.
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All heat gain factors above are for a 20 degree differential; all cal-
culated values are corrected for the applicable temperatures.