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hardsoft t1_j7ncrcn wrote

Reply to comment by Dartmeth in Trying to budget out utilizes. What do you pay? by [deleted]

At very cold temps they're not much better than resistive heating...

Most installers want you to have a backup system for colder temps so it's a lot more cost and maintenance for somewhat lower overall energy costs.

Though you do get AC with it if you were planning on that anyways.

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Dartmeth t1_j7r2qvf wrote

It rarely gets cold enough to tax the new cold weather systems. They run well until even in freezing conditions.

With that said, anything in the negatives is going to be hard even on a new cold weather module. Always better to have a back up system that can tackle a polar vortex. Even better if the back up does not require electricity or if it can be run off a small generator. (Wood, pellet, petrol)

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