Most people find that for the winter months, when temperatures are in the 70s during the day and 50s at night, it is too cold to swim, even with a heated pool in Florida. And in colder climates a larger than standard size heater also is recommended for “constant” heating. You can learn more about using these two pool heaters together in this post. Cool Nighttime Temperatures; Sizing a pool heater is less tricky than sizing a pool heat pump or gas heater. A BTU is the measured amount of heat created by a pool heater. Cost: $25 – $100 (monthly) Also, the higher your pool temperature, the more your heater has to run, so the higher your heating costs will be. More About Pool Heat Pool Heat Evaporative Losses: Swimming pool water on the surface is continually transitioning to water vapor. There are definitely a few factors to consider when deciding on an optimum pool temperature for your pool. To heat a pool quickly after periods of intermittent shutdown, a larger gas-fired heater is needed. Heat Pump – Electric heat – this is the $6K option that is much more efficient and uses electricity. The American Red Cross recommends a temperature of 78ºF for … When the pool is used for exercise or working out pool temperatures are kept at approximately 78°F, whereas pools seeking to provide more relaxing conditions, such as in very young or senior-care facilities, will maintain temperatures as high as 88°F. The heat energy used during the transition to water vapor is lost from the body of water reducing the overall temperature. Do you think that this would be necessary at this time of year, as I've read that daytime temperatures will more than likely exceed 100-degrees. Pool water temperatures anywhere in the 60s tend to be a little cold for most people, so if you are looking for cool, but not freezing, somewhere in the 70s might be best for you. Pool water temperatures typically range from 78ºF to 82ºF. Outputs range from 75,000 BTU to 450,000 BTU. I have noticed there are additional costs to heat pools. The water temperature you desire for your swimming pool not only affects the size of the pool's heater, but also your heating costs if use a gas or heat pump pool heater. If energy cost is your main concern, though, you might start on the lower end of that range and test it out for a couple of days. Winter Temperatures in Arizona range from about 45 degrees to 76 degrees from November to February. Heat pumps are mainly used to “maintain” a pool at a constant temperature and they do it quite well. When you are ready to take the plunge — any time of year — consider solar pool heating. Imagine getting into April, the pool water is high 60’s and you want to get it to 80 degrees for opening the pool. Working together, the two heating systems can easily keep the pool warm around the clock. Finally, pool patrons’ temperature preference also factors into how you heat your pool. When pool temperatures are too warm, there is a cooling system that can be added to a pool to cool down pool temperatures. While the pool heat pump covers the cloudy days and nights, the solar heater steps in on sunnier days to maintain the pool heat pump’s hard work. Pool heaters are sized using BTUs, which stands for British thermal unit. But as long as you stay within the 77-82° range, you can choose the temp that feels good to you. Evaporative losses can account for 50% of swimming pool heat … The smart choice for winter heating is solar pool heat in Florida. Hi Guys, We are looking at renting a Villa in Palm Springs towards the end of June into early July. During the winter months in Arizona, it usually isn’t that cold, but definitely cold enough to keep you out of an unheated pool! Winter Pool Maintenance. 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