I’ve contacted Sense about this twice and both times was told to just wait and Sense should find it, but it isn’t happening. I have a basic gas furnace, with an exhaust blower and the main circulation blower. When I originally installed Sense, after a few weeks it detected a device that was related…

Same thing has happened with my Dryer. It found the heating element and motor separately and I identified them as the dryer. Then randomly the dryer heating element was not recognized as the dryer but was visible in the unknown. So… if its any consolation for you, its not a problem unique to you……

I’m closing in on 5 months and my gas furnace hasn’t been detected. I’ve tried killing the furnace when I have unidentified loads, but no furnace elements so far.

I’m about 50 days in and it’s picked up the igniter of my gas furnace. My blower and vent motors are variable speed so might take a while.

About 4 days after I posted this I happened to check the Settings screen and noticed that I had one more device than I saw before. It was Unnamed Motor which was my circulation blower.

Does your fan run on a hourly timer or only when there is a call for heat?

My HVAC was the very first device detected within 24 hours from install, but 6 weeks in and it has failed to see the blower motor. It may be lost in the initial surge, but has a distinct ramp up and continues to run for a few seconds upwards of a minute after the condenser/compressor shuts off. An…

Sense has lumped my blower and compressor into one device which is fine for the summer. Check the stats for the device and see if the Avg consumption wattage is for just the compressor or if it includes the blower too. It will be interesting to see what happens when the winter comes and the blower r…

It’s hard to tell what’s going on: [IMG_0652] Histogram of my total usage with 630-640w steady before the HVAC kicked on and fluctuating between 3830w and 3930w. You can see the compressor shut off, usage drops by 2900w, the blower continues to run for another minute then usage drops by ~366w to…

3500+400=3900 Your second screen shot show it drops to 400W. I agree that it may not be picking up the cooling/Evaporator unit fan. (3500 is about what my crappy 13SEER 4 ton AC uses. Hoping to upgrade to a 2KW model - 18 SEER 3 ton sometime next year. Will also need to insulate the house).

I’m not sure where you see the 400w because the second image drops to 0 as it only shows when the specific device was running. The 366w for the blower is part of the 3530w HVAC usage only it doesn’t show the separate power-off cycles. What I also noted was I had a base usage of 640w before and aft…

Single speed HVAC fan detection

Technical Questions

mattlebaugh September 1, 2017, 12:17am 20

Someone noticed the same. It was just a naming change.

"Unknown" or "Other" Gray Bubble?

1 Like

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Single speed HVAC fan detection

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