Since geothermal systems are the most efficient heating and cooling units available, the United States federal government has enacted a 26% federal geothermal tax credit with no upper limit.
Choosing a contractor to install your entire system is an integral part of the process. Most contractors and builders aren't familiar with geothermal installation. A geothermal heat pump is not a product to be installed by just any HVAC guy.
Geothermal heating and cooling systems play a vital role in renewable energy, tapping into the constant temperature of the ground.