I have to agree with the posts about heat pumps being the way to go. We had gas but it was terribly expensive, especially in the winter. So we added a heat pump but kept the gas in case we needed it in the winter. We went from a $500 avg monthly gas bill to a $100 avg added to the electric bill. Quite the savings. Then, if we decide to add solar for electric, we just add 1 or 2 extra panels and the heat pump is covered as well. We also upsized the heat pump to the next size up from what was recommended to make sure it would be more efficient.
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