Your HVAC System and Its Effects on Indoor Air Quality

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indoor air quality

We have all heard that air quality indoors is as much as five times worse than what we breathe outside. Did you know that the EPA (Environmental Protection Agency) has indoor air quality on its list as one of the top five environmental threats? In extreme cases, the air in your home can be seventy times as polluted as what is outside!

Using a Blueair 501 air purifier can greatly reduce the contaminants inside your home or business, making the air you breathe fall within safer levels. If you study the Rabbit Air Reviews, you will understand more on why that system is highly ranked in the war on air pollution, too.

Unless everyone has similar equipment in their homes and work places, there remains a serious problem regarding the effects of air quality indoors in unprotected areas.

Why is the Indoor Air so Contaminated?

One of the biggest problems with modern homes is that they are built too perfectly. They do an excellent job of keeping cold and heat outside, but they also keep the contaminants inside, creating a toxic situation with the many emissions from common household products we use every day Inflatable Arches.

The central heat and air system is designed to recirculate the air in the home to make it more comfortable and furnish a balance in air temperatures. This also serves to circulate all the allergens, dust mites, and chemical off gases through the home, too.

Systems have something called “make up air” that pulls in some oxygen from the outside to compensate for what is lost due to breathing, but that is very minor and doesn’t help the situation of the poisonous gases in the building.

A home that remains closed up all the time and uses a whole house HVAC system sucks in and redistributes the same air five to seven times per day. If nothing is in place to catch the hazardous elements in that air, the system only gives more opportunities for people within the building to inhale germs and dust.

Most equipment manufacturers suggests that your air filter be changed once per month. With specially designed hydrostatic filters, you may be able to just wash them. At any rate, the filter is the only air pollution removal system you have with a standard HVAC system.

A Cleaner System

Most people don’t want to spend the money to have their central systems thoroughly cleaned each year, but inside the ductwork is where many pollutants as well as mold and mildew can hide.

In the summer months, some moisture is going to form in ductwork and inside the condensing and air-handling units of the system. This is an attraction to the mold spores that may be transferred from inside the home to the remote sections of your ducts.

Cleaning the ducts is an ongoing process, but an important one. While this will not eliminate all your air pollution problems, it will improve air quality. Remember three things that will help keep your HVAC serving you well:

1. Clean the ductwork and the units themselves every year, generally between season changes.
2. Buy a quality filter for your system and make sure it is cleaned or replaced once per month.
3. Install an air purification system in your home or use mobile units in the rooms where you spend most of your time.


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