Heat Load Calculation Sheet Xls !full! -

| | Orientation | Area (sq.ft) | U-Value | CLTD / О”T | Cooling Load (BTU/hr) | Formula | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Roof | Horizontal | 2,000 | 0.05 | 45 | 4,500 | Area x U x CLTD | | North Wall | N | 400 | 0.10 | 10 | 400 | Area x U x CLTD | | South Wall | S | 400 | 0.10 | 25 | 1,000 | Area x U x CLTD | | East Wall | E | 300 | 0.10 | 30 | 900 | Area x U x CLTD | | West Wall | W | 300 | 0.10 | 35 | 1,050 | Area x U x CLTD | | Glass North | N | 120 | 1.10 | 12 | 1,584 | Area x U x CLTD | | Glass South | S | 120 | 1.10 | 15 | 1,980 | Area x U x CLTD | | Glass East | E | 80 | 1.10 | 18 | 1,584 | Area x U x CLTD | | Glass West | W | 80 | 1.10 | 20 | 1,760 | Area x U x CLTD | | Solar Load Glass | S | 120 | SCL=200 | | 8,000 | Area x SCL x Shading | | Solar Load Glass | E | 80 | SCL=150 | | 3,600 | Area x SCL |

Trees and overhangs significantly reduce cooling loads. heat load calculation sheet xls