Buying A New Gas Furnace
If you are building a new home or replacing the furnace in an older home you should consider which type of natural gas furnace will be best for you.
A new high efficiency gas furnace is the best way to save money on heating costs and to improve your efficiency in fuel usage. Modern gas furnaces are very advanced compared to earlier models and have efficiency of up to 97%. this means that 97% of the fuel you use goes to heating your home rather than up the chimney. Earlier furnaces were rated around 60% efficiency normally so the fuel saving is big ang you are helping the environmemnt by producing much less climate changing gas emmisions.
The pilot light of earlier furnaces has been replaced with much more efficient spark or hot surface igniters. Another saving is that rthe furnace can now be vented through a basement wall thus eliminating the need for installing or repairing a chimney.
Mid Efficiency Gas Furnaces
The lowest standard allowed for a new furnace now is 75% efficiency. Mid efficiency non condensing furnaces are the standard furnace in this efficiency range and up. Most of these furnaces average 78 to 82% annual efficiecy and come with spark ignition and a venter fan to improve efficiency.
High Efficiency Gas Furnaces
A high efficiency furnace costs more than the mid efficiency model. however the saving in fuel costs will pay for the difference in a few years of use. The high efficiency furnace also produces less polluting gases which is environmentally friendly. This furnace has two heat exchangers instead of one in order to recover more heat from flue gases. These furnaces are from 90 to 97% efficient and since they can be vented through a basement wall,no chimney is required.
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