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Casa Termicamente Optimizada

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À§Ä¡ : Porto / Portugal

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Project Data

House 

volume

326§©

Floor area

145§³

Roof area

96§³

External wall area

164§³

Window area : total

20§³

                     south

16.2§³

                        north  

0.2§³

 trombe walls

7.5§³


Cost

   building: Local currency

6 million P.Esc
-37500  ECU

   solar features (estimated)

10%


Thermal 

U value : roof

0.4 W/§³K

             floor perimeter

0.95W/§³K

             external walls

0.6W/§³K

windows: without roller shade

3.1W/§³K

                   with roller shade

2.3W/§³K

Mean U value

0.71W/§³K

Global heat loss coefficient

330 W/K

Infiltration rate

0.3to 0.9 ach

External design temperature

-1¡É

Heated floor area

70 §³

Heated volume

176§©

Net heat load

0.35GJ/§³96kWh/§³


Site and climate 

Altitude

sea level

Latitude

41°1 ¡ÇN

Longitude

8°7 ¡ÇW

Average ambient temp: Jan

8.5¡É

                                    July

20.5¡É

Degree Days (base 18¡É)

1615

Global irradiation

5312MJ/§³

Sunshine hours

2667hrs