Duct Cleaning - 3 Things to Remember

If you are wondering if air duct cleaning is worth the money, the answer is yes... But only if you remember three things when hiring a duct cleaning company.

Duct Cleaning - 3 Things to Remember

First, don't waste your money cleaning the air ducts if you are not going to have the entire Ac principles cleaned.

The air that you breathe not only passes straight through the air ducts, it also passes straight through the blower fan, over several rows of cooling coils (evaporator coils), and over the condensate pan. The evaporator coils are what in effect take the heat and humidity out of the air. The coils, which are cold due to the chilled refrigerant flowing straight through them, pull the heat out of the air that passes over them and cause the excess moisture in the air to condense on them and run into the condensate pan. The coils are of single concern in a humid atmosphere like we have here in Houston Texas. Duct cleaning alone will not address the coils, which are especially susceptible to a build up of dirt and debris because they are wet most of the time the principles is in operation, particularly in a humid climate. If you do not have the entire principles cleaned, in increasing to breathing air that has passed over wet dirty coils, you will have a less power effective Ac system. The dirt in effect insulates the coils, reducing the number of heat and moisture they can remove from the air. Also, since the coils are several rows thick, the dirt also reduces the air flow straight through the coils. Your Ac has to work harder and longer to cool the air. Duct cleaning is worthwhile, if it is done while cleaning your entire system.

Second, make sure you find a enterprise that is licensed to clean your entire system.

In several states, including Texas, only a enterprise with a Hvac license (heating, ventilation, air conditioning) can way and clean your entire system. This is required to ensure that only habitancy who know what they are doing can way the inner workings of your Ac system. In Texas, a enterprise that doesn't posses an Hvac license can only clean what they can reach from the registers in the walls and ceiling. Not only can't they way requisite parts of the principles like the coils, they can't even clean the plenum, the box you see at one end of your Ac unit, straight through which all of the air being supplied to your home flows. That would be like cleaning the dirty floor in your living room, but not the entryway. The dirt would just get tracked right back into your living room. It's the same with duct cleaning. Houston, for example, has many clubs advertising air duct cleaning, but many of them do not have Texas Hvac licenses and cannot clean the entire system. Beware of who you hire to clean your Ac system.

Third, only use a enterprise that follows the industry-wide thorough thorough process of using mechanical agitation along with vacuum collection devices to safely remove debris from your Ac system.

This is very intimately related to the old point, but is a separate issue and is important. The vacuum devices must be strong adequate to capture the debris and keep the principles under negative pressure to ensure that none of the debris escapes into the indoor environment or migrates to other parts of your Ac system. Did you ever observation how hard it is push open some cafeteria doors when you are leaving? That is because the large kitchen exhaust fans are sucking air out of the building to insure that any fumes from the kitchen go up the vent instead of into the dining room. This "negative pressure" in the building is trying to pull the door complete while you are trying to push it open. In much the same way, a vacuum collection gismo puts parts of your Ac principles under "negative pressure" while it is being cleaned, to insure that none of the loosened debris gets into the environment or other parts of your system. This is someone else calculate why you need a licensed enterprise that can way all parts of your system, holding them under negative pressure while they are being cleaned. It is also why just putting a vacuum hose with a rotating brush up into your air ducts is not only inadequate, but can also contaminate the air in your rooms and the parts of the ductwork that have already been cleaned. holding the principles under "negative pressure" is requisite to safe and effective cleaning.

Just to recap, if you are considering hiring a enterprise to clean your air ducts, remember:

1. Make sure they are cleaning the entire Ac principles

2. Make sure they are Hvac licensed to legally way and clean your entire principles

3. Make sure they holding your Ac principles under negative pressure while they are cleaning it, to prevent cross contamination of the principles and the air in your rooms

Air duct cleaning is surely worth the speculation and can help you save power and breathe easier, if the entire principles is cleaned by a licensed enterprise using permissible methods that include holding your Ac principles under negative air pressure while it is being cleaned.

Duct Cleaning - 3 Things to Remember

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