Quick Answer
BEST WATER SOURCE FOR EVAPORATIVE COOLERS: A clean and constant water supply is essential for evaporative coolers to function efficiently. The best water source for these systems is typically a well or a rainwater harvesting system, which can provide a consistent and reliable supply of clean water.
Ideal Water Characteristics
The ideal water source for evaporative coolers should have a low Total Dissolved Solids (TDS) level, typically below 500 parts per million (ppm). Hard water with high TDS levels can reduce the effectiveness of the cooler and increase maintenance requirements. A well or rainwater harvesting system can provide a low TDS water supply, whereas tap water may not meet this requirement.
Water Storage and Filtration
In off-grid applications, it’s essential to store a sufficient amount of water for the evaporative cooler. A minimum of 200 gallons of storage capacity is recommended to ensure a consistent water supply during hot summer months. Additionally, a filtration system should be installed to remove any sediment, debris, or contaminants that may affect the cooler’s performance. A simple sediment filter or a more advanced reverse osmosis system can be used, depending on the quality of the water source.
Well or Rainwater Harvesting Considerations
If a well or rainwater harvesting system is being used as the water source, it’s essential to consider the following factors: the depth of the well, the rainwater collection surface area, and the storage tank size. A well with a depth of at least 100 feet and a diameter of 8-10 inches can provide a reliable water supply. For rainwater harvesting, a collection surface area of at least 1,000 square feet and a storage tank capacity of 1,000 gallons are recommended.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.