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More of a problem is when your water heater is within your conditioned space envelope and in the cold months when you are heating your space the hot water heate
by s0rce 5y ago
More of a problem is when your water heater is within your conditioned space envelope and in the cold months when you are heating your space the hot water heater takes that heat. Its not a huge issue but you do run the heater extra for the heat that's going into your hot water. If you've got an air source heat pump outside then its just an extra step.
- anonymousisme 5y agoI was thinking the same thing. You don't get something for nothing. Assuming the water heater is in the conditioned space, it will just make the central heater work harder (and consume more fuel) during the winter months. Maybe this is offset during summer months when it can help the AC cool the space. None of this applies if the water heater is not in a conditioned space, but that's not feasible in (common) environments with cold winters.