Derek Cole explains why your heating smells burnt when you first turn it on. Dust accumulates on heat strips during months of disuse, then burns off when they activate in cold weather. The smell is normal and harmless.
But not after that. So what that is is. I'm assuming these folks have heat pumps. What happens is with your heat and your strip heat coming on as backup heat over the long summer, they're not used. They gather dust. So on that first time it's used, it's really burning the dust off. If you have a maintenance done, if it's done in the springtime, middle summer, you'll get that more often. As we're doing maintenances now where it's cooler, of course, we're activating that heat strip to make sure it is working. But again, if you had that maintenance in the summertime, it's probably going to have that smell this time of year. So it's just the dust and stuff burning off. There's nothing to be alarmed about.
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