December 29, 2017

Toward A Better Heating System

Our nest went haywire again last night. It only happens when in heat mode, and hasn’t happened since we got the replacement a year ago, but it’s still exceedingly disappointing to be happening again. The problem? Nest’s temperature sensor gets confused. As a result, Nest sometimes forgets to turn the furnace off. We woke up in the middle of the night to 80 degree temperatures and the heater still running. That’s wasted energy (and money) not to mentioned a lost night of sleep for no reason.

Part of the challenge of heating our house is that it’s a dual zone system. Both thermostats are in relatively the same location (the hallway by the stairs), just on different floors. Heat rises, so how often the downstairs zone is running effects how warm the upstairs hallway is, which in turn effects how frequently the upstairs zone runs. The upstairs zone is the only zone that effects the bedroom. There’s a lot of guess work involved to figure out the optimal settings so the bedrooms remain comfortable overnight. (Quite frankly, the goal is the kids room. I’m happy to suffer if it means the kids sleep through the room.) It reminds me of how the first refrigerators with freezers were designed.

When I first heard about Keen Home Smart Vents over a year ago I thought it was the answer to our problems. If the vents open and close automatically, then we in theory won’t cook the kids over night. Problem was “smart” at that point meant automatically opening and closing based on a predefined schedule or the app on your phone, not the current temperature of the room. Since we usually don’t wake up until it’s too late, that wouldn’t work for us.

Since our heater went haywire last night I decided to look into smart vents again. Keen is now coming out with temperature sensors! Even better, there are competitors in the smart vent space. In another year or so the technology will mature and we may finally be able to get a more temperature balanced house!

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