The biggest current tax break is for diesel fuel used in residential heating, costing the state a projected $276.7 million in lost revenue annually.

Air-source heat pumps have been used for residential and commercial heating and cooling for many years.

AN alternative appraisal can be obtained by calling on companies specializing in residential heating.

In 1995 the program was significantly expanded, introducing labels for residential heating and cooling systems and new homes.

This type of residential (or interior space) heating system is sometimes referred to as a kakelugn in a Swedish stove.

It is commonly used as a fuel for engines, barbecues, portable stoves, and residential central heating.

Furnaces that burn natural gas to produce hot air are far and away the nation's largest source of residential heating.

The utilities say most of the natural gas, at least for now, will be sold to homeowners and landlords for residential heating.

Lastly, again by implication, a reduction in the cost of residential heating to be paid by citizens.

Big Valley coal was all of a softer variety, suitable only for residential heating.