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February 2012
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Auto Pool Covers

Adding a retractable cover to an existing pool is expensive, although energy and water chemistry savings can be achieved. There are two types of covers, each either electric or hydraulic.

Top Track
Track is mounted in the concrete deck. This is the only retrofit option unless you are prepared to replace your concrete deck.

Below Track
Track is built under the concrete deck with no exposed runners, over with a cantilevered edge..

Without entering into the debate it is not wise to use these covers as winter covers in northern freeze climate, despite manufacturers’ claims. A fabric replacement due to an ice tear is $3,500 to $5,000, excluded from their warranties. Investing $1,500 to $4,000 in a true safety cover is the idea way to winterize an autocover pool, extending the life and simplifying the maintenance. Leaf stains accumulated in the fall can also ruin the appearance.

OPERATING ISSUES

Cover Pump
A small sump pump is required to pump water off of the cover, especially before opening it. A leaf blower or pressure washer also simplifies clean up.

The manufacturers that recommend their autocovers for winter use expect the cover to be regularly pumped as water accumulates and before ice forms. They also expect you to pump it as ice melts. The fabric itself will become very dirty over winter month and must be cleaned each spring.

Sun Light
It is a good idea to expose your pool to the UV frequently regardless of the sanitation methods used. Saltwater chlorine generators and ozone generators will destroy both the fabric and the track if the cover is not opened every day.

Heating the pool
Keep the cover closed and realize your energy saving benefit with the autocover. Generally, two to four hours with a properly sized heater will raise the pool water temperature for planned swimming events. This permits the heater to be turned off or down on days when the homeowner knows there will be unlikely use of the pool.

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