An indoor swimming pool is a wonderful leisure and exercise environment, but there are many important factors to consider when planning and designing a domestic pool. Maintaining a comfortable pool environment requires the pool water and air to be heated, and this is a significant energy use. As a result of continuous evaporation while the cover is removed, the pool water loses a significant quantity of heat, and the resulting warm, humid air is not only uncomfortable, but the high humidity poses real problems for the building structure. Left unchallenged, high humidity can be a major problem in indoor swimming pools and spas. Prolonged exposure to high humidity causes walls, decorative finishes and roofs to deteriorate rapidly. High humidity causes personal discomfort and unless the environment is controlled to a comfortable humidity in the range 55%-65%, bathers will not benefit from enjoying the use of their swimming pool.
Excess humidity must be removed from the pool hall to protect the pool building from destructive condensation and moisture damage, whilst maintaining a safe and comfortable leisure environment for bathers. In the past, the conventional approach to combating humidity came in the form of wasteful air extraction from the pool hall. The advanced range of Calorex heat pump dehumidifiers provide an efficient and economical solution without using large quantities of fresh air.
From wall-mounted dehumidifiers for humidity control, with options for air heating, to the Variheat range of sophisticated environmental control systems, Calorex have systems for every domestic pool. By recovering the latent energy in the moisture laden air of a pool hall using a heat pump dehumidifier, a Calorex swimming pool dehumidifier will reduce the humidity in the pool hall, while returning energy to heat the air. Variheat systems start with ducted dehumidifiers, through to sophisticated environmental control systems with heat recovery to pool water.
Heat pumps for water heating
Calorex Pro-Pac swimming pool heat pumps are specifically designed to economically provide swimming pool water heating. Calorex Pro-Pac Y heat pumps are designed to operate in air temperatures as low as -15°C and are suitable for heating the water in indoor pools all year round.
Removing humidity from the air enables Calorex to absorb latent energy and return it to the air as useful heat. The heat pump technology converts 2.5kW to air heating for every 1kW of electricity consumed – a real bonus for running costs! For water heating, Calorex heat pumps can save up to 75% for both operating costs and carbon savings against direct electric heaters, and up to 47% operating cost saving against fossil fuel boilers and up to 60% carbon saving against fossil fuel boilers (based on UK energy costs).
Fully self-contained systems, Calorex dehumidifiers require minimal installation. When it comes to operation, Calorex units offer quiet, reliable and safe performance. Flexibility is built-in. Wall mounted dehumidifiers come with an adjustable air discharge allowing air to be directed in an 80° range between horizontal and vertical, thus allowing installation at high or low level. Variheat systems are available in a wide range of configurations to suit a variety of pool types and plantrooms. On the basis of pool surface area, water temperature, air temperature, humidity and bathing activity, Calorex dehumidifiers and heat pumps can be designed to accommodate any requirement. All products are supported by an in-house applications department, distributors and service network.
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Certikin International Ltd (H&V Department) 01993 778855
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