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).
Propane Cost For Average Home. A 1,500 square foot home in a mild climate would require approximately 1.5 million BTUs of propane fuel for heating each month. Based on a cost per gallon of $2.86, it would cost approximately $57 per month to heat the home with propane.he same size home in a moderate climate would require 3 million BTUs per month, and cost $114. A home in a severe climate would need about 5 million BTUs per month, and cost approximately $191 per month to heat.