Page 28 - Green Builder Remodeling Field Report 2021
P. 28

REVISION HOUSE SCOTTSDALE PROJECT





































        THE POOL


        Going With the Flow







               Making the infinity style swimming pool both more efficient and less
               likely to flood the home required new engineering and new

               mechanical equipment.


               BY STEVE EASLEY                                   THE AFFINITY LAW
               In our hot climate, more than 6 out of 10 homes have a pool
               for exercising, cooling off, relaxing or a play space for children,   (APPLIED TO POOL PUMPS)
               and our ReVISION House Scottsdale property is no exception.
               According to the U.S. Bureau of Labor Statistics, swimming is   SPEED  FLOW           POWER
               the 5th most popular sporting activity.                 (rpm)          (gpm)           (W)
                 The existing infinity edge pool attached to the house   3,450         66            2,000
               was over 20 years old with cracks and a lot of missing tile   3,000     55*            1,157
               when we gained possesssion. It also was built at the wrong   2,400      44             593
               elevation, so that in heavy rain, it would shed a lot of water   1,800  33             250
               towards the house foundation. We decided it made the    1,200           22              74
               most sense to demolish the old pool and start fresh. But   600           11             9
               we wanted to get it right. I knew, for example, that a typical
               single speed pool pump on an older pool can consume   *A reduction of 450 rpm, despite being almost unnoticeable in
               3,000 to 5,000 kWh per year. Older pools also require large   application, reduces the power demand by almost half. Source: Hunt,
               amounts of chemical maintenance. I wanted to reduce both   A., Easley, S. (May 2012) Measure Guideline: Replacing Single Speed
               inputs.                                           Pool Pumps with Variable Speed Pumps for Energy Savings., U.S.
                                                                 Department of Energy, Energy Efficiency and Renewable Resources.


               28   GREEN BUILDER  REMODELING FIELD REPORT
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