CEC Energy Newsletter for February
 

02/01/05 

 
 
  Dear Members,


If you have a hot tub, these tips may be very helpful.

Hot Tub Conservation Tips

*Set the hot tub heater thermostat to maintain 102 degrees F - which is the temperature recommended by most health departments for adults and children. Some hot tubs have been factory set to heat water to 104 degrees F.
* Shift hot tub water heating to off-peak times - If your hot tub has a timer, you can help reduce
peak loads and pressure on utility rates by programming the timer to "off" during peak hours -6 a.m. to 10 a.m. and 5 p.m. to 9 p.m. If you have a well insulated, energy efficient hot tub, it will maintain the set temperature for several hours after the heater is turned off.
* Turn down the thermostat when you're on vacation - If you are leaving for an extended period of time or won't use the hot tub for a week or more, turn the heat down or off. If you have an older, non-energy efficient hot tub, consider draining it if you will be gone during winter months. Such tubs can freeze which causes a great deal of damage to the equipment. Energy efficient hot tubs can maintain non-freezing temperatures for weeks with appropriate covers.
* Reduce pumping cycles - Normally filtration cycles for single and two speed pumps are set for four hours, twice per day. You may be able to reduce the filtration cycles to three hours, twice a day - during off-peak hours. This adjustment should be based on your usage pattern so you can maintain clear, clean and safe water. If your hot tub has a low wattage, continuous circulation pump - leave it alone. It's designed to run all the time.
* Use a hard (foam) cover with good insulative qualities - Standard covers have an insulating value of approximately R-12. Keeping a cover in good condition is essential because most heat loss will be through the spa cover. Replace the cover if the interior foam is broken or water-saturated. A waterlogged cover will increase energy consumption from heat loss. Make sure the cover and tub lip fit snugly. Use the straps to latch the cover when the hot tub is not in use; this will reduce heat leakage and provide a safety measure. To handle the cover more easily and extend its life, a lift system is recommended.
* Add a floating blanket - An energy-efficient floating thermal blanket will help retain heat and reduces the amount of moisture building up on the inside of your hard cover, extending its life. For example, adding a 1/4" closed cell foam, floating blanket under the hard cover can increase the total R value to 16.
* Avoid wasting water - Repair any leaks and adjust jets or use booster seats to adjust your height so you're not sending streams of water on the deck.
* Drain the hot tub only when necessary - Maintaining a proper chemical balance will reduce the number of times you need to drain. Hot tubs that are heavily used by bathers should be drained every 3-4 months. When it's time to drain, either drain to a sanitary sewer or use the water for lawn irrigation. Make sure no chemicals have been added for at least 48 hours before draining.
* Create windbreaks around the hot tub - Cutting wind exposure can reduce heat loss. Privacy panels, landscaping or fencing can all be effective windbreaks.
* Buy only energy efficient spas and hot tubs - Today, significant improvements in the construction, controls and equipment (such as using preheated air for jets and low wattage pumps and lights) make hot tubs more energy efficient than 5 or 10 years ago. When possible, replace your hot tub with a newer, energy efficient model. An average sized energy efficient hot tub consumes 5-7 kWh per day, while a poorly insulated inefficient hot tub may use 12-18 kWh per day.

 
 
 
  Central Electric Cooperative, Inc.