Dew point is the tempurature the air cannot hold the weight of the water in it. The water then begins to condense and form droplets. This tempurature is always below or equal to the air tempurature.
Propane prices. Maine (ME) propane users spent an average of $2.724 per gallon over the 2012-2013 heating season. This is slightly higher than the 2.436 average for the country as a whole, for the reasons explained above (distance from major supply source, colder climate, higher demand).
1 Mywoodpelletsolution.com offers a wood pellet heating system that starts at $4,995 for the system alone. 2  They note that the average installation job is around $1,000 to start. 3  According to MaineBiz.biz, the average boiler in the state of Maine cost an average of $19,000 for a system. However, with most jobs, the average installation, in addition to buying the boiler, can cost as much as $5,000 to $8,500. 2  While optional, a wood pellet bulk bin is ideal if you would like a place to store a large supply of pellets. 3  These bins can automatically feed pellets into the boiler.