I live in a high humidity area and my crawlspace requires a dehumidifier. The settings chosen would leave it running almost constantly. It would have cost $600/year to operate. I was able to modify the settings to get it down to about $300/yr. I am planning to seal up the crawlspace and I expect to gain a little more. I never would have known it used so much power.
I use Sense Solar. It works well. It is very interesting to me. But my system has main solar power, sub solar power and batteries using grid-tie-inverters. Then it makes reverse power flow to Grid utility. The Sense app shows value of (a) power to grid and (b) power from grid. I checked the values of power using another power meter. It shows that (a) and (b) are reversed. This fact is not serious issue for me because I understand it.
I hope your model includes reverse power flow in machine learning.
I didn’t know if I was better off leaving my hot tub run all year, or drain the water and refill it.
I monitor the cost to heat my hot tub. I overlap with the waste water cost averaging my city does. That determines the price of water for the year.
I found it was better to completely drain my hot tub for 4 months and fill it, rather than leave it running at a cooler temp.
Water is more expensive than my electric!
After Sense found our Dryer I was amazed that the unit uses 5kW when drying a normal load. I played with the different drying setting and found the the “small load” setting only uses 3kW and dries the laundry just as well. I have worked in educating my wife to use this small load setting, and she remembers most days. When she doesn’t I have also set my alerts to let me know when the dryer is turned on. If she “forgets” to use the small load setting, I head up to my laundry room and restart the load on the small load setting.
We were seeing bills of $700 for Jan/Feb. We purchased a Trane system with the most efficient heat pump and the Cadillac of thermostats the XL950. The first winter we saw savings but nothing like we were expecting. We couldn’t figure out why this much more energy efficient system was still costing as much as it was. This is where Sense came into play. It helped me to identify times of the day when energy was spiking along with realizing our system wasn’t working as I expected.
My wife & I had just finished cooking baked chicken, and were about to start watching tv. I kept getting alerts that the stove was turning on, and sometimes the oven turning on. I marked the stove alerts as “device not on” because the oven is often confused with the large stove burner. I thought Sense was confusing the heat pump with the stove/oven, then it hit me, we never turned the oven off after dinner was done cooking! We checked, and yup, the oven was still on. It would have been cycling on and off for at least an hour while we ate dinner in front of the TV.
I set out to find out if my electric water heater was over active and running alot. But what I found out immediately was my gas furnace was running the geothermal heat pump all the time. So after some learning I’m looking to cut bill from 300 a month to under 100.
I use time of day billing with my utility company to get lower rates during off peak hours. I installed a hot water circulator on my water heater to reduce water waste waiting for hot water at the tap. But I set the circulator timer to run 15 minutes every hour during peak rate hours, which caused the water heater to turn on every hour even when we weren’t using hot water! By turning off the circulator during the 8 hours of peak time the water heater only turns on if we use hot water.
I woke up early one morning around 5 AM, and checked the Sense app. I noticed that the electrical usage was high for that time of day.
Sense showed that the attic fan was running.
Once I got into the attic, I realized that the thermostat was mounted incorrectly. As a result, the fan was running for much longer than necessary. The solution was to correctly mount the thermostat so that it would turn off the fan at the set temperature.
I was getting electric bills in excess of 300 a month, which I knew to be about twice my normal. I purchased Sense to try and help me find the problem. Right out of the box I could see something kicking in 3 times an hour for like 13kwh. With a little process of elimination because Sense had not identified the unit yet, I was able to identify the culprit as the hot water heater. The hot water heater was really new, installed about 2 years ago and supposed to be energy efficient. I went and checked the setting and found it in performance mode. Set it to Energy Saver mode, and it uses a 10th of the energy it was using before.