At what temperature should I set my thermostat? - YouTube

Jan 29, 2014 ... For example, changing your thermostat setting from 75 degrees to 76 degrees in the summer could result in about a 10% savings on your cooling costs. ... deg... try battling them up from -5 or lower to 70. you think 50 bucks a month AC is expensive... try 300 or 400 heating. then after we get done heating,...

Field Performance of Heat Pump Water Heaters in the ... - NREL

Feb 3, 2016 ... Field Performance of Heat Pump Water Heaters in the Northeast. Prepared for ..... occurrences with water temperatures lower than 110°F is shown. ..... 60/80. 68/84. 2.12. 2.1. Stiebel Eltron. 80. 78.6. 2.32. 2–2.6. The monitored data show that the primary variables that affect HPWH performance are hot water.

How Long to Run Pool Pump? | InTheSwim Pool Blog

Nov 10, 2015 ... How long you need to run the pump depends on how efficient and effective your filter system is – and the also time of year, or water temperatures. An average amount may be 12 hours summer, and 6 hours winter, but there are many variables that affect how much filtering your water needs. Some systems...

Five Reasons to Lower Your Thermostat (Besides Saving Money)

Feb 18, 2014 ... Lowering the temperature of your thermostat can do more than reduce your energy bill (although we think that benefit is so awesome that it still made the list). Dropping temps just two to five degrees can also help you lose weight and provide a better night's sleep.

Geothermal heat pump - Wikipedia

Direct exchange systems are more efficient and have potentially lower installation costs than closed loop water systems. Copper's high thermal conductivity contributes to the higher efficiency of the system, but heat flow is predominantly limited by the thermal conductivity of the ground, not the pipe. The main reasons for the...

What is The Ideal Temperature For a Commercial Swimming Pool ...

Nov 15, 2013 ... This research answered my original question, and then I got to thinking about what would happen if these regulations were not in place and the water was ... Also keep in mind that water temperature can easily be controlled and managed with the appropriately sized heat pump, for commercial swimming...

sample sequence of operation

Then the assigned lead chiller oil pump starts, then the lead condenser water pump starts and the pump status is confirmed ON via a current sensor in the BAS ... When enabled, the CHWST reset sequence is: when all CCVs are less than 80 percent open, the CHWST setpoint (SPt) is at its highest value of a proportional...

Program Your Thermostat for Fall and Winter Savings | Department ...

Oct 9, 2012 ... It's been a beautiful fall here in Colorado; 70 and 80 degree days and comfortably cool nights have spoiled us. We haven't had to turn on the heat or air conditioner once in the last month or so. So it was quite a shock to the system when last week we went from 80°F one day to less than 50°F (and a chance...

Heat-Pump Water Heaters Come of Age | GreenBuildingAdvisor

Apr 13, 2012 ... (The EF of an electric resistance water heater is always less than 1.0, due to standby losses through the tank insulation and at the pipe connections.) While a ...... If the garage temperature ranges from 60 degrees to 80 degrees, then using a HPWH to suck up some of that wasted heat might make sense.