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Divide the btu output rating by the btu input rating. Both of these values can be found on the furnace`s nametag.
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A condensing gas furnace uses from a condensing type heat exchanger to increase the furnace efficiency?
Yes
What is the average life expectancy of a mid-efficiency furnace?
15 years
What is a high efficiency furnace I should look into buying in order to keep my 5000 square foot home warm?
a high efficiency furnace is a furnace that uses less electicity and saves on heating expences. they are very useful in the winter and great to lower your central heating bills.
How can you tell if its a high efficiency furnace?
pvc flue pipe and has a condensate drain
Efficiency of heater for Santotherm - 66 and the fuel used for burning is Furnace oil?
92%
What forced air furnace qualifies for tax credit?
It's a matter of efficiency. Many makes have different models that have up to 98% efficiency. Generally, if you're replacing an older furnace ( fifteen years or more) with a new one, it will qualify.
When operating a high efficiency nat gas forced air furnace and heat pump at what cost ratio or percent of gas therms to kilowatt hours does it make more sense to use the high efficiency furnace only?
There are 3413 btu per kWh and 100,000 btu per therm of natural gas, these are constants. In order to give a correct answer the exact efficiency rating of the high efficiency furnace and the energy costs per kWh and therms would need to be known.
What is the efficiency rating of a high efficiency furnace?
The efficiency rating is called annual fuel utilization efficiency or afue. For residential systems in the USA, the minimum is 80%. There is no standard for what is considered "high efficiency". The range of efficiencies goes up to about 96% for gas furnaces.
How efficient is a mobile home furnace?
Mine is just like a slightly smaller regular home furnace. It keeps the mobile nice and warm,and I have no problem with it's efficiency.
What are some questions to ask before purchasing a high-efficiency furnace?
Some questions to ask before purchasing a high-efficiency furnace are as follows: Is it safe to use? Is it cheap to maintain? Does it emit harmful gases? Are the spare parts readily available? Can one reduce energy bills?
Where can one find gas furnace prices?
There are many places to find gas furnace prices. One can look on sites like Furnace Price Guides, Century Gas Furnace, and Consumer Reports. One can also find gas furnace prices by going to a local heating supply store.
A typical induced draft furnace uses a blower off delay in cooling mode why?
increase the efficiency of the system
