Insulated Pool

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swimming pool insulation

Where does the term passive insulated pool come from?

The idea comes from a trend in house building whereby homes are built with extremely sophisticated thermal insulation, allowing a comfortable temperature to be achieved with a minimal heat source. A passive home is made vapour impermeable so that any ventilation can be mechanically operated with heat recuperation.

Pool innovation: the passive pool.

Based on its constructional background and experience, Compass Pools has developed a passive pool. This innovative concept is being marketed with the following structural physical features:

  • Extremely insulating – the CFC-free polyurethane insulation material has a thermal conduction coefficient of 0.026 W/mK
  • Closed cells – minimum 90 % according to the Remington method
  • Compression stress of 250 kPa at 10 % deformation
  • Density – roughly 40 kg per m³
  • Chemically inert – ensures that the insulating properties do not diminish in time due to chemial or organic degradation processes.
  • Waterproof outer wall – a dual-component waterproof layer is applied to the outside of the insulation packaage to prevent any diffusion or osmosis of the outside.
  • Closed structure of the inner wall of the pool – as with the vapour-impermeable character of a passive home, this also ensures perfect sealing of the pool. The Compass’s passive pool provides an answer here with the Bi-Luminite® coating technology, combined with a sealed ceramic core.

What sets this method of pool insulation apart?

  • No thermal bridging means heat can not escape through gaps in the insulation as with a paneled insulation system and is 100% air tight. 
  • Insulation is 10mm from the water meaning there is no thermal mass to heat up
    (did you know concrete takes 2.5x the energy to heat as water, when insulation is placed on the outside of a concrete shell you see no benefit until the concrete is heated as well)
  • The insulation is not behind a liner or tiled upon meaning there is no risk of damage through indentation from impact.

Footprint, ecology and economy and durable developments.

Compass Pools strives to combine respect for the environment with a healthy economic basis. The passive pool is a perfect example. Together with the solar roll-out cover, the CFC-free insulation layer ensures that heat loss is kept to the minimum.
The energy needed to heat the passive pool is drawn from the outside air with a high-performance heat pump. With an outside temperature of between 15°C and 25°C, for every kWh consumed from the grid, between 5 and 6 kWh are put into the pool water.

A passive pool is achieved once the energy needed for the heat pump to attain a comfortable water temperature for swimming can be generated by using existing or newly-installed photovoltaic electricity panels.
With your passive pool, you help keep your ecological footprint within an economically responsible limit. Such a pool pays for itself far more quickly than a passive home, as the conditions for the functioning of both the air/water heat pump and the photovoltaic panels are perfect during the 6-7 month swimming season of the year.
For further information, please feel free to contact our technical department or our sales staff.

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