Split systems have equipment installed both inside and outside the home. In a Split System, the condenser is installed outside the home on the ground or roof. The furnace or air handler is installed inside the home in either the attic, a closet or in the garage. The indoor and outdoor components of a Split System are connected by refrigeration pipes and low-voltage wiring. Air is distributed through a duct system to each room in the home.
Package systems can be heat pump or a gas furnace. These systems have the same aspects of a split system, just all in one cabinet. They can be located on the roof or on the ground. Rooftop units will have a metal stand it sits on and the air is distributed through a sheet metal elbow that attaches from the system to the roof. Package systems can also be located on the ground. They will be sitting on a concrete slab or pavers. They will attach to the home with a sheet metal box that will distribute the air throughout the home.
A furnace is the main heat source of the home. It will use either natural gas or propane as fuel to heat the home. Furnaces can be installed in an attic, the garage, or in a closet in the home or outside of the home. The Furnace will be connected to the existing duct system to distribute the air in and out of the home. The Furnace will be attached with low voltage wiring to the thermostat in the home.
Electric heat is the use of what’s called Heat strips to heat the home. Heat strips provide warm air by using electricity to heat coils of wire. These coils of wire then give off heat as the air passes over them, producing warm air for the home. Heat strips are located in your air handler or your packaged system.
Technically, a Heat Pump is a mechanical-compression cycle refrigeration system that can be reversed to either heat or cool a controlled space. Installation for this type of system typically consists of two parts: an indoor unit called an air handler and an outdoor unit similar to a central air conditioner, but referred to as a Heat Pump. A compressor circulates refrigerant that absorbs and releases heat as it travels between the indoor and outdoor units.
Gas Furnaces – either natural or propane — provides the source necessary to warm a home’s cold air during the heating season. The Furnace System makes the conversion and distributes the warm air into the home’s living spaces. Furnaces powered by natural gas and propane operate in much the same way. With either system, the home’s thermostat begins the heating cycle as temperatures in the room fall below the setting.
It’s important that you have the right size unit for your home. HVAC manufacturers make it easy to determine the nominal capacity of your ac unit. In order to determine what size unit you currently have, look at the data plate on the outdoor condensing unit and locate the model number, not the serial number. You’re looking for 3 digits in the model number that match the numbers below to indicate the tonnage or btu of the unit. For example, you’ll see the number 048, this indicates that you have a 4 ton or 48,000 btu air conditioner. If you have any questions about this video, or any other questions about using newACunit.com, you can ask us using the chat feature, or you can call 1-800-NEW-UNIT. Thanks for using newACunit.com!
If you are replacing your air conditioning system, look at what size you have. If the unit you have now is the correct size for your home, replace it with the same size. How do you know what size you currently have? Look at the data plate on the outdoor condensing unit and locate the model number (not the serial number). You are looking for 3 digits in the model number that match the numbers below to indicate the tonnage or btu of the unit.
012 = 1.0 ton = (12,000 btu)
018 = 1.5 ton = (18,000 btu)
024 = 2.0 ton = (24,000 btu)
030 = 2.5 ton = (30,000 btu)
036 = 3.0 ton = (36,000 btu)
042 = 3.5 ton = (42,000 btu)
048 = 4.0 ton = (48,000 btu)
060 = 5.0 ton = (60,000 btu)
NOTE: If you have multiple AC unit on your home, you can use the same square footage estimator based on how much area each unit covers. Your install contractor will verify during the job site inspection that you have ordered the correct tonnage, and assist with any necessary correction to your order prior to installation.
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