SilentMaster is the result of nearly fifty years of experience in the design and manufacturing of central vacuum cleaning systems. This singular commitment to the central vacuum cleaning industry has produced the patented, innovative characteristics of the SilentMaster, which has led the quest for quiet operation.
SilentMaster is a vertical bag-type central vacuum. Why use bags instead of cyclonic action? Bags are the most efficient way to filter a central vacuum. Bagged units exhaust little-to-no debris, saving the motors from being bombarded by vacuumed particles. Owners do not have to externally exhaust a SilentMaster to the outside of a home. SilentMaster exhaust is clean enough to breathe and can be exhausted freely. And when you empty a SilentMaster, there is no billowing dust cloud. All the dust is trapped inside a filter bag, and is easily disposed of.
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| Patented Noise Suppression |
 Pioneering silent technology, MD designed and produced the first quiet central vacuum via patented technology and sound absorbant material (left) strategically placed in the unit. SilentMaster's internal noise suppression system silences the unit down to 62dB (below normal conversation level). That's the power of SilentMaster. |
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| HyperFlow® Filtration |
 SilentMaster features HyperFlow filtration. Our filter bags are a 3-ply microgeometric technology. They are not made like typical paper bags, but are a woven cloth-like material. HyperFlow is engineered for most airflow while still functioning as a filter. |
Vertical Bag Filtration
Enjoy longer motor life and cleaner air with MD’s Vertical Bag Filtration featuring Hyperflow material. Silent- Master’s 1,500 square inches of filter surface area allow sustained performance and fine micro-filtration. The unique tapered design of the filter allows air to be drawn in from the sides of the filters rather than through the debris. An average home only requires the Hyperflow filter to be changed twice a year. |
Designed & Assembled
in USA |
MD SilentMaster units are designed and assembled in the USA. Solid steel sheets are molded, forged, powder-coat painted, and finished in the MD factory located in Bakersfield, California. Each unit is carefully assembled and tested by industry professionals to insure quality. |
| Superior Trash Capacity |
MD SilentMaster units have a 12-Gallon trash capacity. We know that the last thing you want to do is empty your vacuum. That's why we give you the most capacity in its class. A larger trash capacity also means a lesser restriction of airflow, which means users experience a more powerful vacuum more of the time. |
| Made to Fit |
Customers usually ask, which Silentmaster fits my home the best? Be sure to consult your local dealer for a more precise answer. But generally you can go by this scale:
- S5 -Best for large homes
- S44 -Best for medium homes
- S2 -Best for small to medium homes
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| Capable up to 20,000ft2 |
 SilentMaster central vacuums are available in a powerful two motor option that can work with homes up to 20,000ft2. If maximum suction, airflow, and airwatts are what you are looking for, look no further than the SilentMaster S5. View details |
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