1. Select the right heater for your  swimming pool design. There are three basic types: gas, heat pump and solar pool heaters. The best way to approach choosing and installing an energy-efficient pool heater that works best for you is to talk with a reputable swimming pool professional and learn how to maintain your investment
2. Trap your heat with a pool cover. You’ve spent the money on the pool heater and are spending more money to run it, so now keep your money from vanishing into thin air literally. Buy and use a good pool cover to reduce evaporation and heat loss.
3. Control the water temperature. How warm you want to keep your pool is a personal choice, but the average comfortable temperature is somewhere between 78 and 82 degrees. Keeping it steady reduces the cost of reheating the water frequently, but if you’re going to be away, it’s best to turn your heater down.
4. Install an energy-efficient pool pump as your pool size allows. By using a smaller yet higher efficiency pump, you can maintain your pool’s temperature by using less energy . Be sure to consult a pool professional to find out which pump is best for your pool.
5. Block your pool’s exposure to wind. By installing a fence or investing in some tall hedges or small trees around the pool’s perimeter, you can prevent the pool from losing heat in even the smallest gusts. Even a wind blowing at a rate of 7 miles per hour can cause your heat loss to triple.

6. Hang a thermometer from your ladder. This simple but useful technique can help you figure out the right temperature for you. Once you feel comfortable, mark the temperature on the thermometer and you can better maintain it in the future.
7. Service your heater regularly. The best way to make sure that your heater maintains its efficiency is to schedule annual routine service appointments. Keeping it running properly will maximize energy-efficiency and reduce your swimming pool heating costs.

SOME HEATER INFORMATION

• On Avg. you need about 100 Btu for every 10 sq. ft of surface area for every 1 degree F. of temp. rise.       L x W = sq. ft.         sq. ft/10= a       Answer  x 100Btu = Btu needed for each degree of heat rise desired.

• Answer  x your desired heat rise in degrees F= Btu needed per hour to hold temp.
• answer X 24 hrs/day = Btu total
• Btu Total/ hrs of circulation per day = size of heater
• Þ      answer X .75% efficient = actual out put
• Þ      Or cubic ft x 7.5 (gallons per cu ft) x 8 lbs. per gal x heat rise desired__________________
• Heater size / 15,000= # ton heat pumpq       Spa
• Sq. ft. x  avg. depth = cubic ft.   Cu. Ft. x 7.5(gal in each cu ft.) x 8 (lbs. Per gal.)= POUNDS OF WATER.
• POUNDS  x avg. 25° heat rise = Btu total
• q       Cost of operation.
• Knowing one Btu is the amount of heat needed to raise the temperature one pound of water one degree Fahrenheit .  A Therm  (unit of measurement on gas bill) = 100,000 Btu/hour of heat.      Heater Btu.  Divided by 100,000 Btu per hr. = Therm per hr.  Therm per hr x  hrs per day of use = Therm per day to run heater. Therms per day  x  cost per Therm = cost per day.

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