Most Roswell, GA homes and small commercial buildings have a central heating and air conditioning system. The furnace is the component that heats your home in the winter, It will use natural gas as a heat source. Some homes that are in rural areas use L.P. gas instead.
The furnace is the most basic home heating device. Modern furnaces are also complementary to the air conditioning units. The main furnace unit burns fuel and the resulting heat is then passed through the heat exchanger before it is distributed throughout the house with the use of the air-conditioning air duct and furnace blowers. Cooled air inside the house is recycled and again passes the heat exchanger for re-heating. Re-heated air goes back to the air ducts and starts another cycle.
Types of Furnaces According to its Fuel
There are several types of furnaces according to its used fuel. Earlier furnace models used wood and coal for fuel. More modern furnaces use more efficient and environment-friendly fuels. Choosing the right furnace type and appropriate size for your home is important for energy-saving and for expense minimization. Here are some of the furnace types;
Gas Furnace – This is the most commonly used furnace in households. It can either use the LPG (liquefied petroleum gas) or the natural gas. A gas burning furnace operates automatically when the thermostat detects preset threshold temperature. The unit will first pull in combustion fuel, releases gas and then lit the igniter. After enough heat has been generated, the blower will start sending heated air into the air ducts. The unit will also automatically turn-off when the required heat is already achieved. Latest models of gas furnace have added features making it more efficient.
Oil-Fired Furnace – This works similarly to the gas furnace, but instead of using gas for fuel, the device is oil powered.
Electric Furnace – This unit have elements or electric wirings instead of burners and igniters. When the thermostat detects a need to heat the house, the unit will be automatically switched on. Electricity is used to heat the elements. Generated heat is then blown into the air ducts, distributing the heat. When the heat requirement is satisfied, the unit automatically switches off.
Other types of furnace use biomass, corn and other fuel types.
Advantages of Furnaces
- Cost Efficient– The heating unit and its cost of energy consumption is generally lower than other heating devices.
- Convenient – Immediately provides heat as you need it.
- Cleaner Air – The process of transferring heat from one place to another also means air going through several filters that are capable of removing particles and airborne pollutants.