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Over the years, HVAC systems have remained relatively the same. What may have changed is the way they are controlled. Newer materials are also used nowadays, and this has improved their efficiency and cost. The thermostats used today are programmable, which means modern systems can be switched on and off automatically based on user preferences. Ductless systems have become increasingly popular over the years for a number of reasons.
Obviously, it is much cheaper to install a system that does not require any ductwork. This is because one major component of the system is eliminated. Designing the system is also much easier.
A duct free air conditioning system can also be referred to as the split air conditioning system. It has two main components, the condenser unit and air handler. The air handling unit is responsible for cooling the air, so it is located inside the house, while the condenser unit cools and compresses the refrigerant, so its usually mounted outdoors. The two components are connected by electrical wires and refrigerant tubing.
When compressed air is allowed to expand, it absorbs heat from the surroundings. When it is compressed, it releases heat to the surroundings. That is how cooling systems work.
There are basically two types of duct-free heating. The first is the electric space heater. This device is usually plugged into an electric outlet and powered on. The heating element produces heat which is blown by a fan into the surroundings. The other type of heating system is the hydronic heating system.
Many HVAC systems use air, but there is also a water-based system. It is known as hydronic heating and cooling. The system uses water or steam as a heat carrying medium instead of air. A boiler superheats water, or raises steam, which is pumped into metal pipes and taken to the baseboards and radiators mounted in different parts of the house. These heat exchangers extract heat energy from hot water or steam and radiates it to the air surrounding the radiator. Heat is evenly distributed to every corner of the house through convection. The system also has thermostats and valves mounted in different rooms to control the heating or cooling process. When the optimal temperature is exceeded, the thermostat sends a signal to the controller to turn off the hot water supply to the radiator to stop any further heating.
Window AC units are also duct free. The system is very similar to a refrigerator. The cooling coils on the window mounted AC unit are exposed to the air inside the room while the condenser is exposed to the outside. The unit is normally mounted on an exterior window.
The key to having a properly functioning HVAC system lies in choosing the right installer. Another important factor is routine maintenance. Ideally, you should hire a reputable HVAC contractor to design, install and service your unit. The right firm should offer a convenient maintenance plan to ensure your heating and air conditioning system works well. With time, you should consider replacing the entire system.
Obviously, it is much cheaper to install a system that does not require any ductwork. This is because one major component of the system is eliminated. Designing the system is also much easier.
A duct free air conditioning system can also be referred to as the split air conditioning system. It has two main components, the condenser unit and air handler. The air handling unit is responsible for cooling the air, so it is located inside the house, while the condenser unit cools and compresses the refrigerant, so its usually mounted outdoors. The two components are connected by electrical wires and refrigerant tubing.
When compressed air is allowed to expand, it absorbs heat from the surroundings. When it is compressed, it releases heat to the surroundings. That is how cooling systems work.
There are basically two types of duct-free heating. The first is the electric space heater. This device is usually plugged into an electric outlet and powered on. The heating element produces heat which is blown by a fan into the surroundings. The other type of heating system is the hydronic heating system.
Many HVAC systems use air, but there is also a water-based system. It is known as hydronic heating and cooling. The system uses water or steam as a heat carrying medium instead of air. A boiler superheats water, or raises steam, which is pumped into metal pipes and taken to the baseboards and radiators mounted in different parts of the house. These heat exchangers extract heat energy from hot water or steam and radiates it to the air surrounding the radiator. Heat is evenly distributed to every corner of the house through convection. The system also has thermostats and valves mounted in different rooms to control the heating or cooling process. When the optimal temperature is exceeded, the thermostat sends a signal to the controller to turn off the hot water supply to the radiator to stop any further heating.
Window AC units are also duct free. The system is very similar to a refrigerator. The cooling coils on the window mounted AC unit are exposed to the air inside the room while the condenser is exposed to the outside. The unit is normally mounted on an exterior window.
The key to having a properly functioning HVAC system lies in choosing the right installer. Another important factor is routine maintenance. Ideally, you should hire a reputable HVAC contractor to design, install and service your unit. The right firm should offer a convenient maintenance plan to ensure your heating and air conditioning system works well. With time, you should consider replacing the entire system.
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