| A wood furnace is a device used in providing heat. | | | | On the downside, this unit needs some boots, |
| It burns wood for fuels, an economical way of | | | | gloves and a cap to slog out onto the blowing |
| using energy. Wood furnaces have different types | | | | snow to keep it going. Many outdoor boilers are |
| and benefits both for the environment and at | | | | hard to control for a clean burn due to their |
| home. | | | | oversized firebox. Aside from this, it tends to |
| Wood furnaces are direct fire heaters. It is a | | | | smoke a lot during automatic restart after a long |
| convenient and economical way of heating homes. | | | | off cycle. |
| Many Americans, Europeans, Canadians and people | | | | All these wood furnaces are controlled by a |
| from other countries who experience very cold | | | | thermostat similar to other heating systems. |
| weather or climate use this kind of unit. | | | | Different heating systems are used on working |
| Many users nowadays prefer using wood | | | | on these types. |
| furnaces to save the Earth from greenhouse | | | | The forced hot-air systems use heat exchangers. |
| effect. Burning bio-mass fuels does not increase | | | | The warm air spreads out with ductwork. Burning |
| the risk of carbon dioxide in the atmosphere. | | | | fuel causes the heat exchanger to heat-up. |
| Since wood is a renewable resource safe for the | | | | However, there is no heat storage capacity in this |
| environment, it can also conserve energy. | | | | system. The unit needs to be re-fueled everyday |
| There are three main types of wood furnaces. | | | | to maintain its temperature during the cold |
| First is the Central Wood Furnaces. It can be | | | | months. It is also easy to add filtration, |
| installed inside the house, garage, mechanical room | | | | air-conditioning and humidification because the air in |
| or at the basement. It uses either a type of | | | | this system is being re-circulated. |
| forced-air or hot-water system to distribute heat | | | | Hydro-air units use ductworks to help distribute air |
| throughout the house. | | | | similar to forced hot-air systems. The heat |
| The second type is the Multi-Fuel Furnaces. This | | | | exchanger is replaced by a hot water coil being |
| unit can be placed inside or outside the house. It | | | | heated by a hot water loop from its boiler. There |
| enables the burning of different kinds of fuel like | | | | are multiple hydro-air units that can be fed by a |
| coal, oil, gas and wood. These types are flexible | | | | single boiler throughout the sections of the house |
| that can work as a back-up option, especially | | | | for different cool zones. This kind of system is |
| when using other kinds of fuel. It is appropriate in | | | | always combined with air-conditioning. |
| cases where there is only one chimney outlet | | | | A combination central-heating unit system is |
| available. The machine allows venting of the wood | | | | designed to burn wood, oil or gas. It relies on the |
| as well as the fossil fuel so as to exhaust-up the | | | | back-up fuel when the wood is not convenient for |
| same pipe. | | | | usage. Both combustion chambers can be |
| The third type is the Outdoor Furnace or Boilers. | | | | maximized with this design. The two fuels are not |
| This unit utilizes firewood, particularly when there | | | | usually used simultaneously. It can either be hot-air |
| is a huge supply. It keeps the smoke, mess and | | | | or hot-water furnaces. The disadvantage of this |
| bugs outside. The furnace is similar to a small | | | | unit is that it tends to be twice as expensive as a |
| utility building. It is a wood burning furnace placed | | | | single-fuel heater. This dual system offer |
| outdoors. It can be found along the yard, | | | | maximum fueling flexibility. |
| between 50 and 150 feet away from the house. | | | | Wood furnaces have disadvantages also. Some |
| The furnace firebox is surrounded by a water | | | | needs to be refueled several times and are a bit |
| jacket. As heat is released, it is transferred from | | | | dirty to operate. It is also not always convenient |
| the fire onto the water. It is then pumped | | | | to gather fire woods. And to produce good heat, |
| through insulated pipes and placed underground, | | | | you must know how to stack these pieces of |
| then into your house. Finally, heat radiates to | | | | wood properly. Lastly, all these units require |
| warm up the entire house. | | | | electricity due to its thermostat. |