Comparing Air-Duct Cleaning Methods

Carpet Cleaning Method

Rotary Brush Cleaning Method

Negative Air Cleaning Method

Truck-Mounted Negative Air Cleaning Method

 
 
 
Carpet/Air Duct Cleaners
 

Carpet / Air Duct Cleaner

 
    Carpet cleaner
     
    1" Debris removal
     
    Vacuum strength 300-750 cubic feet per minute (cfm)
     
    Brush cleaning
     
    2" opening minimum
     
    Equipment must be moved into every room where vents are located.
     
        This type of cleaning method usually lays flat on bottom of the ducting / not very effective.   If you have smoke or possible mold issues in the HVAC system this type of cleaning method will NOT remove these.   It's also very difficult if not impossible for this cleaning method to navigate through a HVAC system with twists and turns and/or baffles in the duct work.   This method of cleaning is also extremely difficult if not impossible to control/steer the brush head through the HVAC system once it has entered 5' or more.   What this means to the consumer is that if they can't direct the brush/nozzle to all areas of the HVAC system you as the consumer will NOT be getting a through cleaning.   This method also has no way of cleaning the air-condition coils, heat exchanger or blower unit.   As you can see having a company use this method the client will usually not get a through cleaning.   The only benefit of this method of air duct cleaning is that it cost less for the purchase of the equipment for the company to get into the air-duct industry.   This does NOT do anything positive for the consumer.   This method of air-duct cleaning is mostly under powered.   The hoses often time buckle as they're attempting to transition the duct which can be 20+'.   As the motor is under stress with the kinked hose, it APPEARS like their doing such a GREAT JOB but not really!   Another point is that with that reduced suction and the small nozzle about the size of a 50cent piece at best, if the HVAC system has larger debris like construction debris (drywall, pieces of wood), dead animals, toys..etc.   This method of air-duct cleaning will NOT be able to extract these and can also clog the nozzle preventing items that the system might be able to extract...dust, sawdust...etc.
 
 
Rotorbrush Cleaners

The Other Type Of Air Duct Cleaners

 
    Shop Vac
     
    2 Stage HEPA Filter System
     
    1" Debris removal
     
    Vacuum strength 150-300 cubic feet per minute (cfm)
     
    Brush cleaning
     
    2" opening minimum
     
    Equipment must be moved into every room where vents are located.
     
        This type of cleaning method usually lays flat on bottom of the ducting / not very effective.   If you have smoke or possible mold issues in the HVAC system this type of cleaning method will NOT remove these.   It's also very difficult if not impossible for this cleaning method to navigate through a HVAC system with twists and turns and/or baffles in the duct work.   This method of cleaning is also extremely difficult if not impossible to control/steer the brush head through the HVAC system once it has entered 5' or more.   What this means to the consumer is that if they can't direct the brush/nozzle to all areas of the HVAC system you as the consumer will NOT be getting a through cleaning.   This method also has no way of cleaning the air-condition coils, heat exchanger or blower unit.   As you can see having a company use this method the client will usually not get a through cleaning.   The only benefit of this method of air duct cleaning is that it cost less for the purchase of the equipment for the company to get into the air-duct industry.   This does NOT do anything positive for the consumer.   This method of air-duct cleaning is mostly under powered.   The hoses often time buckle as they're attempting to transition the duct which can be 20+'.   As the motor is under stress with the kinked hose, it APPEARS like their doing such a GREAT JOB but not really!   Another point is that with that reduced suction and the small nozzle about the size of a 50cent piece at best, if the HVAC system has larger debris like construction debris (drywall, pieces of wood), dead animals, toys..etc.   This method of air-duct cleaning will NOT be able to extract these and can also clog the nozzle preventing items that the system might be able to extract...dust, sawdust...etc.
 
 
Negative Air Machine

Negative Air Machine

 
    3 Stage HEPA Filter System
     
    12" Debris removal
     
    Vacuum strength 2500-5000 cubic feet per minute (cfm)
     
    Brush and/or Compressed Air Cleaning
     
    1/2" opening minimum
     
    Equipment only needs to be set up 1 time for each system
     
    Only a negative air machine will Allow true system deodorizing, sanitizing, deep cleaning, smoke & mold removal and cleaning, soot sealing from the entire system since we are able to pull it through entirely.
     
   
Note: Pressurizing the system we can also tell if a duct run is connected or not; where the other methods of air-duct cleaning can't.
     
     
Truckmounted Cleaning

Truck-Mounted Air-Duct Cleaning

 
        While once a widely used air duct cleaning method, industry professionals are veering away from a truck mounted and gas powered vacuums because of the high probability of cross contamination.   Truck mounted vacuums can possibly draw vehicle exhaust and debris into the ambient air while in operation.   While this method has about twice as much suction power as the portable units on the market.   Note:   While this method has the most suction power at the vacuum, the longer the hose is to the HVAC system the suction power reduces down to almost the same as the larger portable units.   Of course, the owners of the truck-mounted systems will argue this but, this is basic physics so what is there to argue about!   Two story homes, high-rise condos, etc...the length of the hose will need to be even longer (which means even less suction) where it matters most.
 
 

  
  
        If you would like to schedule an appointment with our company the following TIPS  will help assist in the completion of your scheduled appointment.
  
NOTE:  Absolutely nothing on any of these pages should be construed, implied, interpreted or taken as medical advice.   None of these types of services are a "cure all" for any and all allergies, respiratory or any other medical issues.   If you believe poor air quality is affecting your health then your first step should be to seek the advice of your Primary Care Provider (PCP) regarding any allergies, respiratory or any other medical issues you may have.   Your (PCP) may refer you to an allergist to test you for allergies.   Once you have investigated other possible underlying issues that might be causing you issues, then you may want to look into these types of services.   Our company has had numerous clients that have noticed a tremendous improvement in their allergy or respiratory type issues after our services.   What we want to emphasize is that these services, "no matter who" provides them may or may not provide you with the relief you're looking for.   We at Apex Duct And Chimney Cleaning sincerely wish you the best, if you have any questions, please feel free to contact  us or visit our disclaimer  page.


(Source:   NADCA, DCN, ASHRAE, EPA, IAQ, IHACI, NFPA, CPSC, CDC, AAFA, Cal/OSHA )   External Links


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