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MD Manufacturing's Central Vacuum Units

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M.D. Manufacturing, Inc. is a Name You Can Trust

  • Quality Vacuum Systems Since 1961
  • Customer Service is Top Priority
  • Professional Dealer Network
  • Family Owned, Principle-Driven
  • Power Units are Not Sold Online

Take Advantage of MD's Customer Friendly Central Vac Units

  • Micro-Filtration Disposable Bag
  • Dual Debris Intake & Utility Valve
  • All Steel, Powder Coated In & Out
  • Sturdy Two-Stud Bracket Installation
  • Units for Every Size Home

MD Central Vacuum Units are designed and assembled in the USA to ensure quality, power, and durability. Motors are strategically installed at the base of the unit to keep the vacuum unit cooler. A cooler unit results in optimum compaction of debris and less wear and tear on the system as a whole. Add on the fact that they are built from steel and powder-coated inside and out, and the result is a system that requires less maintenance and is longer lasting. To learn more about the differences between central vacuum types, check out our filtration analysis, or simply choose from our four MD power unit lines below.

SilentMaster Central Vacuum Unit


  • Patented Quiet Technology
  • Largest Trash Capacity
  • Industry Best Warranty
SilentMaster Units
ModernDay Central Vacuum Unit


  • Original Dealer Favorite
  • Five Models Available
ModernDay Units


  • Largest Variety of Models
  • Excellent Value
  • Quiet Running
Flo-Master Units
AirMaster Central Vacuum Unit


  • Bottom-Emptying
  • Very Quiet
  • Hybrid Filtration
AirMaster Units