Air Duct Services
Ensure Safe, Efficient operation of your home comfort system while maintaining a healthy indoor environment. MM Comfort Systems uses professional, friendly and qualified technicians to provide the following services:
- Duct Testing - Determine how much conditioned air is escaping into your crawl / attic. Now required by WA State Energy Code for new installations. (Why is duct testing important? Click here).
- Duct Sealing - The single biggest source of wasted energy in the typical home is leaky duct work. Professional sealing reduces energy costs, reduces a homes "carbon footprint" improves indoor air quality.
- Duct Insulation -
- Duct Cleaning - The following steps are an overview of the duct cleaning process. The contractor you select should provide all of these services to deliver the best results possible.
- Inspect the entire system prior to cleaning. This includes testing the system to make sure it is operating properly.
- Remove furnace filter, wrap it in plastic and reinstall it in order to separate the supply and return sides of the system.
- Create an access hole in the ductwork on the return side.
- Connect the flexible vacuum hose to the ductwork.
- Mask off the return grill(s) to ensure a strong vacuum and increase air velocity.
- Stage the compresses air hose, air tools and brushes at the return grills.
- Start the vacuum source and check for proper negative pressure.
- Starting at the furthest grill, clean the grill and duct work with the air tools and brushes.
- Once the return side has been thoroughly cleaned, repeat steps 3 through 8 on the supply side.
- Clean the coils, blower and the rest of the furnace internals.
- If the system has been contaminated by water intrusion or smoke, sanitizers or sealants may be applied using ultra-low volume sprayers.
- After the system has been thoroughly cleaned and sanitized, all access holes are resealed and the system is started to verify proper operation.
- Install / Service Indoor Air Quality accessories
Click here to watch a Duct Sealing Video produced by Washington State University