While people always think that bigger things are always the better option, this might not be the case when you are in the market to purchase a furnace. There are lots of sizes available, and if you get one that is bigger than you need, this might cause inefficiencies.
Larger furnaces also provide more heat in the same amount of time. This means that to maintain the same temperature, your furnace will have to operate and shut downtime and time again, thus decreasing its useful life.
Here are two tips to help you out in determining what size suits your house best:
Checking for the BTU
The furnaces are measured in British Thermal Units and need to be checked for their BTU number to determine their size. If the number is too high, the furnace is definitely made for a large house. The HVAC dealer that you are purchasing your furnace from can help you out here.
Determining the area that needs to be covered
If you want a dedicated furnace at work to cover the whole office, the furnace is going to be bigger than the one that is needed to keep a small house warm. Maximum efficiency is only possible if your furnace is compatible with the size of your house/workplace.
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