Change the Filter.
One of the simplest yet most important things you can do for your HVAC unit is to change the filter. This is one simple task but it is the one small task that is often overlooked. The filter is located at the air return of your air exchanger of the unit. When your unit is running it will pull air from the entire house and push it through the filter. While this air is pulled through the filter it catches dust articles and pollutants from the air and traps the pollutants in the filter. Over a period of time this filter will become clogged and air will not be able to move through the filter freely. A filter should be changed at least once every month.
There are several different types of filter for you to choose from. Some are more expensive than other. The more expensive filter will trap more pollutants and odors than your standard filter. Regardless of the type of filter you choose for your unit each filter will have an arrow that will tell you which way the air will flow through the unit. Make sure the arrow is pointing in the direction of the correct air flow which is from the living area into the unit.
Evaporator or Cooling Coil.
You will need to get the cooling coil that is located above the plenum of your unit checked. This is the component of the unit that cools the air as it travels over it. The first thing to check is to make sure there are no leaks. Your HVAC professional
can check this for you. Over time while your unit is being used pollutants that pass through the filter of your unit will become trapped within the fins of the coil. When these fins become clogged with debris the amount of air moving over the cooling coils will be decreased allowing for the amount of cool air o be decreased. It is important to have the coils cleaned so the proper amount of air can be transferred over the coils.
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Inspect the Ducts of the HVAC Unit.
Beginning at the plenum where the ductwork is attached begin to look over each part of the ducting system. Look for any loose insulation that may have been knocked off or removed over the past few months. You will to replace any loose or fallen insulation. After you have inspected the insulation you will need to inspect the ductwork to see if there are any loos connections or cracks in the ductwork. It is important that you take care of any cracks you may find as well as to reconnect any loose connections. When there is a crack or loose connection in the ductwork hot air will be pulled into the ducts and the air entering your home will not be as cool as it should. These cracks can be fixed with duct tape or duct mastic that you can purchase from your local building material store. Sealing the cracks you find will prevent the hotter air in your attic from entering your system.
Clean Condensate Drain.
Your HVAC unit will produce moisture. This is why a condensate drain it attached to the HVAC system. You will find this drain inside the same closet that your air exchanger is located. In most cases it will be a PVC pipe coming out of the unit. This PVC pipe should be going into the slab. This is where the moisture and condensation from the unit will be drained to the outside of your home. Over time there will be a buildup of slime and sludge inside the drain pipe. It is a good idea to take the drain loose at your unit and pour bleach down the drain. This will help to kill any type of sludge and slime buildup keep your drain line clear. All this can be very well taken care by heating and cooling companies in grand rapids Michigan
Most common HVAC systems will have an outside unit that will house the compressor for the unit. You will find fins around this housing that encloses copper tubing. These fins work much in the same way that the inside cooling coil works when it comes to pulling air through the fins. You will notice a fan at the top of this unit. When the compressor is running the fan is also running to pull cooling air through the fins over the copper tubing cooling the tubing off while also helping the compressor to run cooler, Without the fan pulling in the fresh cooling air the compressor would overheat. You will need to get fins and coils of this outside unit cleaned much the same way you clean the inside cooling coil. You will also need to repair any fins that may be bent blocking the air from entering into the inside unit.
These are a few things that can be done helping you to maintain your HVAC unit allowing for it to work at peak performance. This will save you money by cutting energy cost and extending the life of your unit.
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