Geothermal heating and cooling is achieved by accessing the constant temperatures deep underground and then using water to circulate that temperature up above.

Hundreds of mortgage deal offers in the U.K. have been pulled after market chaos sparked concerns about interest rates rising as high as 6% for 2023.

Runaway house price inflation continues to characterize the U.S. market. House prices across the country rose 15.8% on average in October 2021 from the year before. U.S. house prices are far over their 2006 Bubble peak, and remain over the Bubble peak even after adjustment for consumer price inflation.

Lawrence Yun, chief economist for the National Association of Realtors, joins CNBC's "Power Lunch" to discuss why foreign buyers for U.S. homes are declining.