There are numerous reasons to check and clean the HVAC unit. According to the National Air Duct Cleaners Association (NADCA) cleaning standard (ACR 2013) they recommend that the HVAC system is cleaned whenever:
* It’s contaminated by the accumulation of particles.
The performance of the product is impaired due to the accumulation of contamination.
* It’s been found to be the source of unacceptably odors.
It’s releasing visible dirt or debris into air-conditioned space.
* It’s been affected by due to air filters cleaning, fire, water damage.
* It’s been infested by rodents, birds, insect or their products.
* It was determined to be at risk of becoming an hazard to fire.
* It’s become affected by debris from construction or duct.
* It’s been affected by mold.
* It is deteriorated glasses duct lines, duct board or other porous parts.
The program is part of the HVAC maintenance plan as described in ANSI/ASHRAE/ACCA Standards 180.
This is part of HVAC equipment manufacturer’s recommended maintenance procedures.
* It’s part of an active Energy Management program.
* It’s part of an proactive indoor air quality management program.
It’s an element for obtaining LEED Certification.
* A new part or duct is infected by construction debris and dust.
If you have any doubts about the necessity to wash by performing this NADCA test of the Surface Comparative Test can be a quick method to show the need to clean.
These are all great reasons to maintain your HVAC system. But there’s one important thing you should do to confirm whether any of these issues are present. It is important to look hrv cleaning over or examine your HVAC unit!
In HVAC systems for residential homes, this usually means considering the supply ducts of 2-4 and 1-2 return ducts as well as the air handler or furnace (and their internal components) and the dryer vent.
For commercial HVAC systems that are more complicated, it is recommended to look at the minimum of 10% of components. This includes taking a look at components of the air handler (filters condensate pans/drainlines, coils gaskets, dampers, etc. ) and any fan coils as well as supply ductwork and the internal parts of it (registers dampers mixing box, heating coils, etc.) Return duct work along with its parts (grilles dampers, plenums, etc.). This is basically an example of everything that is in the air stream. In addition, there are other exhaust systems, like laundry, bathroom general.
The most straightforward method to document your inspection is by using the digital camera. It is possible to insert the camera into the ductwork at various points and snap a photograph of the current conditions. This will help you determine whether you require cleaning your HVAC device or not. If you are required to clean your HVAC system, it is recommended to obtain at least two estimates from credible Air Duct Cleaning Contractors. Most of the time, they Air Duct Cleaning Contractor includes the before and after photos document in their offerings. One of the best places to search for a reliable Air Duct Cleaning Service can be found on the National Air Duct Cleaning. Additionally the NADCA website has a wealth of useful information and videos on air duct cleaning. When you compare the before and after pictures you will be able to determine that the contractor has done an excellent job or not. The final result of a properly cleaned HVAC system will be higher efficiency and lower energy consumption and better interior air quality.