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Residential - Duct Cleaning

Here are some interesting facts that illustrate the need for duct cleaning….

What are your concerns about indoor air quality?
Since the energy crisis of 1974, the American public has made a conscious effort to save energy. The typical U.S. home is now tighter and more efficient than ever before; but these steps to prevent heat loss often have a negative effect. Energy efficiency measures such as adding insulation, weather-stripping, caulking, etc., although they prevent heat loss, simultaneous trap bad air indoors.

Since most Americans spend 90% of their time indoors, breathing clean air can have an important impact on their health. Our exposure to toxic materials indoors is 5-10 times greater than is outdoors. While outdoor air has a dilution effect on pollutants, indoor air tends to trap and intensify pollutants.

Air ducts naturally accumulate sizeable deposits of dust and other contaminants over a period of years and in some cases months. This debris can reduce the efficiency of your heating and air conditioning system and even cause physical discomfort and illness by degrading the quality of air you breathe indoors.

What are the benefits of air duct cleaning?
Dust and other contaminants are actually pulled into the mechanical conveyance system through the return side of the system and from exterior sources. These contaminants build up inside the return ductwork. Many homes have inefficient filters, which trap less than 10 percent of the particulates that are drawn in the system.The average six-room house collects 40 pounds of dust each year!

Why should I have my ducts cleaned?
Your Health – Duct cleaning improves the health of your home living environment. It is estimated that ½ of all upper respiratory illnesses are caused by poor indoor air quality. According to the Department of Consumer Affairs, children are more likely than adults to be affected by poor indoor air – they breathe faster, inhale more air per unit of body weight, and are closer to the ground where concentrations are higher.

Your Home – Duct cleaning removes a substantial amount of dust and debris from the home, in some cases as much as ten pounds may be removed. These airborne pollutants contribute to dust in the air which you breathe, on your furniture, and in your carpet.

Your Wallet – Dust and debris that is drawn into your system will soon overcome a standard household filter and begin to accumulate in the mechanical systems and ductwork. Once this occurs the system is less efficient and must run longer to do the same job as when it is clean. The cumulative savings here will pay for the cleaning over a few years. Some 50% of illnesses are either caused or aggravated by polluted indoor air!

What type of procedure does Mechanical Air Service use to clean my system?
Mechanical Air Service has years of duct cleaning experience in the Bay Area. We employ and train highly competent individuals to best serve the needs of our customer. Upon arriving at your home our lead technician will walk through and count the registers in your home while explaining the process to be used in cleaning your system. Source removal duct cleaning is considered the best method for relieving indoor air quality problems and is the only method endorsed by the National Air Duct Cleaners Association (NADCA).

Mechanical Air Service has utilized source removal technology for duct cleaning since it began cleaning ducts. We use high velocity compressed air along with a high volume vacuum system to dislodge contaminants and pull them from your home. We use specially designed air whips, air sweeps and rotary brushes designed to ensure proper removal of contaminants. All grilles, registers, diffusers and plenums are cleaned and sanitized. After the cleaning, if desired, an EPA approved sanitizer is fogged through the system. This sanitizer will kill mold, bacteria and fungus.

To help ensure a clean, healthy environment, we recommend that air ducts be cleaned every 3 to 5 years. Give us a call at 800-913-HVAC (4822) so we can schedule your cleaning or answer any questions for you.

Start breathing cleaner air right now!

Call 800-913-HVAC (4822)


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