The upfront outlay is a little daunting, but when you run the numbers of cost analysis you see that it looks like a lot up front, but it saves you several times the upfront costs over the long run. It just depends on how you keep warm, as well as how often you are out, especially over the weekends. If you mostly idle to keep warm, you'll pay more than $2000 in fuel (and oil, filters, wear and tear) in one winter. If you're a team and are moving a lot, lot, lot, and don't sit much, you'll spend less to keep warm. An Espar costs about (I don't know the latest prices) $2000, depending on the model. So, that first winter for a lot of people it's a break even proposition. After that it's two grand in your pocket every winter. For others, it may take two winters to pay for itself, but after that it's a grand in your pocket every winter.