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What size central heat and air unit do you need in 20000 cubic ft home?
Wiki User
∙ 9y ago
AC BTU ratings are typically figured for square footage not cubic feet. Now I'm guessing here, but 20,000 cubic feet translates roughly to a 2,500 sqft. home, single story with 8 foot ceilings. Such would require a 30,000 to 40,000 BTU unit.
Something to consider is the cost of running a monster like this. If you have a large enough window and a relatively open floor plan, you can install a 30,000 BTU "window shaker" and save money.
Wiki User
∙ 9y ago
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Cost efficiency is almost always the number one concern of homeowners looking to install a new central heating system in their home. As such, manufacturers are working hard to continually improve the efficiency at which heating systems operate and reduce the utility expenditure to heat the home. In recent years, a second major consideration has surfaced among home owners and that is concern over the environmental friendliness. With electrical central heat, no fuel is burned in the home to produce the heat. For this reason alone, it is the best environmental option. Now, manufacturers are working twice as hard to engineer products that heat homes more efficiently and cause less damage to the environment in the process. The most friendly type of central heat system is powered by electricity and it provides both heat and hot water for the home. These central heat systems are commonly known as heat pumps. The benefits of a heat pump include on demand heat and hot water, as well as central air conditioning. Heat pumps are easily installed in new construction and can also be retrofitted to an older home. Heat can be traditional vent-style or in floor heating. Most homes will employ a combination of both, if they are built with a heat pump system. Another type of heating that is considered very environmentally friendly is solar powered central heat. The major drawback to this type of heat is that it cannot, in most cases, provide enough hot water to heat an average home in the winter. Therefore, a second heat system must be employed. For those who want to utilize solar central heat, this is generally an acceptable solution. Oil and natural gas fueled central heat systems manufactured today are much more environmentally friendly than those of days past. Regardless of which of these heating systems you select for central heat, simply replacing an older system with a new one or putting some consideration into how you will heat your new home can make a difference on a global level.
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