They say, ''With ranks come responsibilities''. They say it right but we dare to amend the saying for this post as ''With installations come responsibilities''. Homeowners are often delighted to install the latest technology appliances at home realising not that the installation is followed by proper and regular maintenance, which if they don't keep will put their system at stake while bringing home hefty energy and repair bills as well. So today, we are going to learn about Evaporator Coils and Air Duct functions and the maintenance and care they need.

Evaporator Coil

Evaporator Coil - Functions

The evaporator coil is a coil which is installed at the top of a Furnace. This is a situation in which a Furnace is used as a cooling agent as well. The evaporator coil gets filled with refrigerant/coolant as the Thermostat is set for air conditioning. As the air reaches over the evaporator coil, a heat exchange takes place and the hot air is cooled by the cold given by the evaporator coil. The cool air then returns towards the indoor.

Evaporator Coil - Maintenance and Care

So what kind of maintenance and care does the evaporator coil needs over time? Over time, the coil may get accumulated with dust and debris as the polluted air passes over it constantly. Secondly, in the summers, as the coil heats and cools constantly and as it is placed in dark and small places, the moisture that is created as a result of condensation may cause the production of mould and spores. Once again, cleaning comes under crucial care.

How would I know if my evaporator coil needs maintenance?

There are some signs that can help detect if the evaporator coil needs maintenance.

- If the air conditioning is not proper; slow cooling or lack of cooling
- If there's pooling beneath or around the Furnace

To avoid any such evaporator coil problems, be very regular about maintenance, choose reliable services for maintenance and do not postpone repairs when there's need for it.

Air Duct

Air Duct Functions

The air duct system allows a duct to reach almost every room so that it can take the cool/warm air through that pipeline to the desired area. There are registers or in other words, openings that let the cool air come in the room or that particular area. The air passes through the ductwork, reaches the rooms and the warm air returns from the return ducts back to the Furnace/Air Conditioner. This cycle repeats several times in a day.

Air Duct - Maintenance and Care

Just like we mentioned the accumulation of dust and debris over evaporator coils, the same takes place in the ductwork as well. The duct is an open and large space where not only dust and debris can stay but also the mites and insects, mould and spores etc can make a home. This necessitates the installation of quality air duct filters and also the cleaning of ductwork at least after once a year. Dirty ducts not only hinder the air flow but also contribute to lowering the indoor air quality. Other than dirtiness, the air ducts can also get damaged by developing holes and leaks or by getting their joints loose. 

How would I know if my Air Duct needs cleaning?

You can tell there's a problem with your air duct if;

- There are hot and cold spots in the home

- There is compromised cooling despite setting the Thermostat at a good temperature

- There's a lot of and unusual dust in the home

- Bloating energy bills

- Frequent tripping

Just like evaporator coil maintenance & care, the air ducts also need to be maintained and cared for in order to make the most of their efficiency. And once again, we recommend choosing professionals and professionals only. In the case of any repairs, do not delay repairs and do not try unnecessary DIY's.
Happy HVAC! Much more comfort!

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