Your Simple Guide to Furnaces

Spring HVAC Maintenance TipsYou need to choose the right furnace for your home for a comfortable indoor environment and energy efficiency. Different types of furnaces in Philadelphia depend on the type of fuel they use including electricity, oil and natural gas.

Gas furnaces

Today, gas furnaces are the most popular among consumers. Manufacturers are also rolling out central heating systems that use gas more often. Forced air furnaces that use natural gas are considered to be the most efficient and economic heating method for the home

Oil furnaces

Oil furnaces use oil fuel to power the heating and cooling of the home. They are not quite as popular today and are often found in older homes.

Electric furnaces

These are also quite common and use electricity to power the heating of the home. Heat pumps run on electricity and wiring heat from the outdoor air to heat up the home during winter and work in reverse during summer as an air conditioner. These systems are inexpensive to install and can be used to replace a cooling only air conditioning system. They are the preferred way of heating in areas with short and mild winters. In colder climates, heat pumps that wring heat from the ground are the best to install. It is crucial to remember that electricity rates are often higher than natural gas costs.

Features of furnaces

There are some furnace features that could further lead to classification of types of furnaces, although these features are shared in some systems. They include:

  • Variable-speed blowers: these types of furnaces deliver varied speeds of air depending on how much heat is required and this produces few changes in temperature indoors.
  • Variable heat output: this feature is available in some types of furnaces that increase efficiency in the system through varying the amount of heat from the furnace automatically between two levels. This makes it easier for the furnace to deliver heat continuously.
  • Electrostatic filters: these filters use electrical charges to trap particles and reduce the amount of dust blown into the heating system. It is especially useful for people with respiratory problems and chronic lung disease.
  • Dual heat exchanger: these types of furnaces draw heat from burning gas. The energy efficient furnaces supplement the primary exchanger with a secondary exchanger that helps to draw more heat from the air they burn. They are a great option for homes that require constant heating, especially during the cold climate.

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