Nearly nine out of 10 recent home buyers say that heating and cooling costs were "somewhat important" or "very important" in choosing a home to purchase, according to NAR.
Middle-class home buyers are struggling to find enough affordable homes on the market as rising prices, higher interest rates, and flat incomes limit their choices.
"A surge in completed foreclosures and a rise in the foreclosure inventory is unlikely given continued house-price improvements and shortages of supply in many markets," says CoreLogic's chief economist.
Though Americans were upbeat about the direction of the housing recovery in recent months, their attitudes are taking a turn for the worse because of the shutdown, Fannie Mae says.
A new index reveals how many housing markets across the country have returned to or exceeded their pre-recession levels.