1 Time from start of nest building to departure of young is 44 to 58 days. 2  Nest building is done by both sexes and begins around April. Both parents take turns incubating three to five eggs, which hatch after 12 to 17 days.  Brood parasitism is common among cliff swallows.
Geothermal heat pumps, which pull heat from the ground making them more reliable and efficient, usually cost somewhere between $9,000 and $23,000, including installation. The price for either style of heat pump is dependent on: The heat pump brand.
Total Cost of Heat Pump Installation. Adding up the numbers, your heat pump with installation might cost as little as $2,000 or as much as $11,000. The average cost of a new heat pump installed in 2012 will run a total of $6,625. Summary. What is the average cost of a new heat pump installed in 2012? This guide will help you plan your expenses. When you decide itâs time to have a new heat pump installed, get multiple estimates and then choose a qualified contractor you believe will do a good job.