In the hot summer months, an inadequately air conditioned space can make a house nearly unlivable. To cool a house, there are two basic methods available: a heat pump or a central air system. Which system is right for your cooling needs will depend upon the structure, your budget, and the existing air control systems of the house.
A heat pump uses the outside air as the energy source for cooling the internal spaces of the house. Often, an air conditioning system consists merely of a window mounted air conditioning unit to cool a single room or space. This can be an effective method for a single room in your house, such as kitchen or a bedroom or even good for an apartment or a condominium. One significant disadvantage is the need to cover or remove the window unit in the winter time to avoid serious heat loss. Moreover, if you need to cool your entire home or even just more the one or two rooms at any one time, a central air system will be the most efficient option.
To completely cool every room in a house, cool air needs to be delivered from the cooling unit to the various rooms of the house efficiently and directly. central air systems can be expensive to install as they require an elaborate system of ducts and vents to distribute the cool air to the different areas of the house. If your home is already equipped with a forced air distribution system for a furnace or a heat pump, central air conditioner can be installed to use the same system of ducts and vents as the furnace. The cost of installing a duct system can be extremely costly and often unnecessary.
There are central air conditioners that have been designed for homes without ducts, but these systems are more costly and therefore, may not be the best home cooling option available. One such option is an outdoor condenser hooked up to an indoor evaporator and fan, usually mounted on a wall or sometimes just a large appliance on the floor. This type of air conditioning unit, known as a mini split, can be expensive, but is very effective and significantly quieter than a window unit.
Because heating and cooling systems both involve the control of air in flow and out flow, it is wise to make the two systems work cohesively with one another. If you have air ducts installed for a heating system, central air is the most efficient and economic option. However, if no central air control and distribution system previously existed, then controlling the temperature of particular rooms can be the more effective route to take.
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