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483.BTUCOM3.DAT
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1991-11-04
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7KB
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235 lines
BTU Heating/Cooling Analysis
Prepared by:
A to Z Unlimited
901 Ferndale Blvd.
High Point, NC 27262
Date Prepared: 08-29-1991
Prepared for:
John Doe
1234 Anywhere Ct.
High Point, NC 27260
Page 1 of 3
BTU Heating/Cooling Analysis
08-29-1991
A to Z Unlimited
901 Ferndale Blvd.
High Point, NC 27262
****************************************************************************
****************************************************************************
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 77,790 BTU's.
The heating unit must handle 883 CFM's for proper heating.
The above figures include outside ventilation of 100 CFM's.
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 47,465 BTU's.
This translates into 4.0 tons of cooling.
The preferred cooling CFM is 1,423 CFM's for proper cooling.
For high humidity areas use 1,186 CFM's
For normal humidity areas use 1,423 CFM's
For low humidity areas use 1,661 CFM's
The above figures include outside ventilation of 100 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.
****************************************************************************
Enchanted Tree Software - TROUBLESHOOTING Copy
Page 2 of 3
BTU Heating/Cooling Analysis
08-29-1991
John Doe
1234 Anywhere Ct.
High Point, NC 27260
****************************************************************************
****************************************************************************
*********** Commercial analysis based on the following data ***********
There are 18 persons used for this analysis.
This area is being analyzed as a Residence.
There are 10 office equipment units used for this analysis.
There are 40 office lighting units used for this analysis.
*********** Structural analysis is based on the following data ***********
Based on 1055 square feet, total exposed outside wall area.
Wall construction is : 8 - 12 in. block w/19.
The wall has a heat transfer factor of .048 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 345 sq. ft. of window glass.
All window construction is : Single glazed, plain, no storm.
All windows have a heating factor of 1.505
There are 75 sq. ft. facing north, with a cooling factor of 30
There are 0 sq. ft. facing northeast/west, with a cooling factor of 65
There are 195 sq. ft. facing east/west, with a cooling factor of 90
There are 0 sq. ft. facing southeast/west, with a cooling factor of 80
There are 75 sq. ft. 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 : Roof on exposed beams or rafters.
Ceiling insulation is : R-30.
The ceiling has a heat transfer factor of .033 heating and .033 cooling.
This analysis is based on a moisture content of 20 grains.
****************************************************************************
All heat gain factors above are for a 20 degree differential; all cal-
culated values are corrected for the applicable temperatures.
Enchanted Tree Software - TROUBLESHOOTING Copy
Page 3 of 3
BTU Heating/Cooling Analysis
08-29-1991
John Doe
1234 Anywhere Ct.
High Point, NC 27260
****************************************************************************
****************************************************************************
**** HEAT LOSSES ****
Total wall heat loss of 3,139 BTU's.
Total window heat loss of 32,191 BTU's.
Total Door heat loss of 1,768 BTU's.
Total floor heat loss of 34,819 BTU's.
Total ceiling heat loss of 3,682 BTU's.
Miscellaneous heat loss of 0 BTU's.
Personnel heat gain of 5,400 BTU's.
Equipment heat gain of 2,000 BTU's
Lighting heat gain of 3,400 BTU's
**** HEAT GAINS ****
Total wall heat gain of 1,012 BTU's.
Total window heat gain of 2,250 BTU's, NORTHERN exposure.
Total window heat gain of 0 BTU's, NORTHWEST/EAST exposure.
Total window heat gain of 17,550 BTU's, EAST/WEST exposure.
Total window heat gain of 0 BTU's, SOUTHEAST/WEST exposure.
Total window heat gain of 3,750 BTU's, SOUTHERN exposure.
Total Door heat gain of 368 BTU's.
Total floor heat gain of 0 BTU's.
Total ceiling heat gain of 1,187 BTU's.
Miscellaneous heat gain of 1,600 BTU's.
Personnel heat gain of 5,400 BTU's.
Equipment heat gain of 2,000 BTU's
Lighting heat gain of 3,400 BTU's
****************************************************************************
All heat gain amounts above, are for a 20 degree differential. All cal-
culated values are corrected for the applicable temperatures and duct
losses.
Enchanted Tree Software - TROUBLESHOOTING Copy