Although we debated different types of heating systems within the house we built, we selected a forced air gas central heater. This style of heating unit is quite popular as they are energy efficient and reliable. A forced air furnace manages itself by drawing cool air into the home through return ducts, heating the oxygen in the furnace, and then distributing the heated air via vents situated into the various rooms. The furnace creates heat via a combustion process, which provides rapidly and energy efficient comfort. Modern furnaces are generally dependable and deliver many years of consistent heating. Like some other type of appliance that possess a heavy workload, furnaces require consistent maintenance and cleaning. Yearly service eliminates the accumulation of dust and also other contaminants in the device, which can block air movement, diminish heating capacity and cause wear and tear. Through regular inspection, any probable concerns are detected and managed, before they graduate into immediate and costly malfunctions. With conscientious maintenance, the furnace will begin to operate safely and at peak efficiency. While the initial purchase price and cost of installation on the forced air heating system is normally considerable, a furnace costs less to operate than most electric or hydronic heaters. There are now furnaces available that achieve as much as 98% AFUE ratings. Plus, gas heaters are able to heat up the living space at enormous speed. Variable speed furnaces bring interior up to the desired environment temperature and automatically reduce speed to hold decent comfort while minimizing electricity usage. Another benefit of a forced air furnace is that it is compatible with central cooling, or simply central vacuum systems.