51.   Aging water and heating systems faltered, leaving residents to cope with insufficient help from Moscow.

52.   All heating systems tend to dry the air, but the problem seems more acute with forced air.

53.   Also observing a furnace inspection and cleaning will help you understand how your heating system works and how you should maintain it between professional service calls.

54.   But homeowners should have a basic knowledge of their heating system, to make sure that the maintenance is satisfactory and to be prepared to deal with failures.

55.   By locating and sealing up these leaks, the homeowner can make the heating system more efficient and lower heating costs.

56.   Central humidifiers will not work on heating systems where there is no ductwork, including hot water and electric.

57.   Clayton said he expected the indictment to contend that the heating system had been installed in such a way that it did not properly vent the lethal gas.

58.   COACH On Saturday, the heating system worked.

59.   Curiously, a lot of the featured homes had geothermal heating systems, which are essentially heat pumps supplied by water circulated in very deep wells.

60.   Designers of commercial and residential heating systems frequently needed radiators in a variety of widths.