Heliocol systems heat swimming pools in all types of climatic conditions, from hot and arid climates like those found in the Mohave Desert of Arizona, to cold, harsh climates including the Swiss Alps and Northern Canada. Heliocol maintains its position as the world's largest manufacturer of solar pool heating systems by offering customers unsurpassed value. Customers enjoy an extended or even year-round swimming season while dramatically reducing or eliminating their pool heating expenses.