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Thread: To cover or not to cover...that is the qustion

  1. Back To Top    #1

    Join Date
    Aug 2008
    Location
    Southwest New Hampshire
    Posts
    52

    To cover or not to cover...that is the qustion

    Solar blanket at night, cold, cloudy days etc....of course.

    But what about a day like today when nobody is in the pool (yet)and I want to maximize heat gain.
    Cover: actual triangle bubbles are clear, material connecting bubbles is light translucent blue, not sure of thickness
    Air:90 degrees.
    Pool temp: 72 degrees
    Humidity: Humidity 20%
    Wind: Light Breeze aloft

    I've read through some threads and it seems the extra heating you gain from direct sun exposure is lost in evaporation, so it's a bit of a wash. But with the air temperature that much higher than the water temp, it just seems like it would heat faster without the cover. Not sure how heat is transferred from air to water (or if it even is). But then again if the cover is clear, and is letting through nearly all of whatever wavelengths heat the water, maybe it's better to keep the cover on.

    To cover or not to cover.........
    Andrew
    25,000 gal IG Vinyl - PoolPilot SC48 SWG - Sta-Rite 1HP/System3 CF - AquaCal HeatPump - TF-100

  2. Back To Top    #2

    Join Date
    Mar 2008
    Location
    Garden State
    Posts
    80

    Re: To cover or not to cover...that is the qustion

    I am by no means an expert, but I always was able to heat a pool to a higher temperature with the sun when covered as opposed to uncovered. We used to have one of the blue bubble-wrap style covers in the past (now it is too hard for my wife to roll and unroll with 2 small kids out there) and we were able to heat the water to mid to upper 90's when the pool was covered for a few warm days.
    Pool Details:
    - inground vinyl liner, approx 35,000 gal; Hayward DE-6000; Pentair VS3050
    - 600sq ft Heliocol; Blue Diamond; 8 Gal Liquidator
    - TF-100

  3. Back To Top    #3

    Join Date
    Aug 2008
    Location
    Southwest New Hampshire
    Posts
    52

    Re: To cover or not to cover...that is the qustion

    I think I would tend to agree, esp if clear (or nearly so) cover. With the cover and the heat pump working today, the pool temp rose about 12 degrees since first thing this morning.
    Andrew
    25,000 gal IG Vinyl - PoolPilot SC48 SWG - Sta-Rite 1HP/System3 CF - AquaCal HeatPump - TF-100

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