Should you Close Your Swimming Pool for the Winter?
Many have asked me if they should close their pools in the winter. For some regions, it is a bit of a gray area. Technically speaking you can keep a pool open in an area where the air temperature drops to zero as long as you keep the water moving through the pipes, pump, filter, and heater. Keeping the water circulating is the key. For example in Maine where pools are closed for the winter, average winter temperatures are 25°F in the far south to less than 15°F in the northern parts. If you keep the pool pump running 24/7 you can keep your pool open all winter. Herein lies the problem though. In the Great Texas Freeze which occurred the week of February 11–20, 2021 many pool owners suffered damage to their pool equipment when their pumps and filters froze. The freeze was a historic cold snap that brought record-low temperatures to some parts of the state that normally never get that cold. These pool owners just didn't close their pools in that region and left them open year-round