Annual energy costs for heating, cooling, and domestic hot water for conventional and solar test houses under various street tree conditions.
| CONVENTIONAL HOUSE | SOLAR HOUSE | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Tree Foliation Period | Tree Foliation Period | ||||||||
| No Trees | May-Sept. | Apr-Oct. | Mar-Nov. | No Trees | May-Sept. | Apr-Oct. | Mar-Nov. | ||
| SACRAMENTO | |||||||||
| Space Heating | 282.46 | 295.04 | 296.56 | 301.68 | 57.83 | 80.93 | 81.00 | 90.12 | |
| Space Cooling | 241.46 | 212.32 | 211.16 | 210.96 | 54.12 | 47.81 | 47.78 | 47.77 | |
| Domestic Hot Water | 103.11 | 103.11 | 103.11 | 103.11 | 26.12 | 42.21 | 47.1 | 52.92 | |
| TOTAL | 627.03 | 610.47 | 610.83 | 615.75 | 138.07 | 170.95 | 175.89 | 190.81 | |
| PALM SPRINGS | |||||||||
| Space Heating | 69.92 | 75.38 | 75.38 | 75.66 | 0.62 | 1.25 | 1.25 | 1.25 | |
| Space Cooling | 733.35 | 671.37 | 667.94 | 666.50 | 318.75 | 304.09 | 303.99 | 303.92 | |
| Domestic Hot Water | 103.11 | 103.11 | 103.11 | 103.11 | 14.01 | 29.15 | 33.0 | 38.73 | |
| TOTAL | 906.38 | 849.86 | 846.43 | 845.27 | 333.38 | 334.49 | 338.25 | 343.90 | |
| SANTA BARBARA | |||||||||
| Space Heating | 158.67 | 175.30 | 176.02 | 182.85 | 1.78 | 8.45 | 8.46 | 11.75 | |
| Space Cooling | 9.75 | 8.08 | 8.04 | 7.96 | 0.00 | 0.00 | 0.00 | 00.00 | |
| Domestic Hot Water | 103.11 | 103.11 | 103.11 | 103.11 | 23.43 | 37.97 | 39.61 | 46.99 | |
| TOTAL | 271.53 | 286.49 | 287.17 | 293.92 | 25.21 | 46.42 | 48.07 | 58.74 | |
| EUREKA | |||||||||
| Space Heating | 523.17 | 553.55 | 559.16 | 564.13 | 114.08 | 166.78 | 180.11 | 191.90 | |
| Space Cooling | 000.01 | 000.01 | 000.01 | 000.01 | 000.00 | 000.00 | 000.00 | 000.00 | |
| Domestic Hot Water | 103.11 | 103.11 | 103.11 | 103.11 | 43.37 | 57.75 | 61.89 | 65.66 | |
| TOTAL | 626.29 | 656.67 | 662.28 | 667.25 | 157.45 | 157.45 | 242.00 | 257.56 | |
| TRUCKEE | |||||||||
| Space Heating | 844.77 | 877.17 | 883.16 | 889.00 | 329.58 | 381.57 | 395.79 | 411.42 | |
| Space Cooling | 000.00 | 000.00 | 000.00 | 000.00 | 000.00 | 000.00 | 000.00 | 000.00 | |
| Domestic Hot Water | 103.11 | 103.11 | 103.11 | 103.11 | 28.43 | 45.19 | 49.95 | 55.75 | |
| TOTAL | 947.88 | 980.28 | 986.27 | 992.11 | 358.01 | 426.76 | 445.74 | 445.74 | |