What do we learn about low-income earners from the Columbia University study?
They are forced to reduce their spending on food because of the high cost of heating in winter.
They spend far less money on heating in winter than they spend on air conditioning in summer.
They spend an average of 30 percent less on heating and cooling than people with middle or high incomes.
They tend to believe that energy-efficiency upgrades to their homes are most costly than they really are.