Alpacas are raised for their soft and luxurious fleece (sometimes called fiber). Each shearing produces roughly five to ten pounds of fleece per animal, per year. This fleece, often compared to cashmere, can be turned into a wide array of products from yarn and apparel to tapestries and blankets.
1 gallon of propane is about 90,000 BTU/hour. A 20 lb tank holds a little more than 4 gallons. My patio propane fireplace is 60,000 BTU. At full blast, a 20 lb tank will last about 6-7 hours, which is really close to the calculation. 32 people found this useful.
From what I've gather on this site the average life expectancy of this equipment is around 15 years. I'd like to just get the heat pump and hope the gas furnace would last 15 more years (life of the new heat pump). The gas (propane) furnace is a Carrier (58SXC080) 92% efficiency.