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Ducting / Sheet Metal

We offer the starting ductwork for furnaces and air handlers, called Supply Air Plenums and Return Air Plenums.  In addition, we offer take-offs, elbows, round duct pipe, and register boots that can be connected to the starting ductwork and run to each room.  If your installation location is difficult to reach with traditional ducting materials, we also offer flexible ducting which allows the duct to conform to your space making installation quick and easy. Want to learn more about ducting for your heating and cooling equipment? Check out this great document to learn all about selecting and designing your own ducting system.  Studies have shown that heating and cooling systems can lose up to 30% of their efficiency due to leaks in the duct work.  See more details about sealing duct work in this article about duct leakage.
  • Duct Take-Offs
    • These sheet metal take-offs are designed to attach to a flat duct to allow you to connect round ducting to it. They are used to attach your ducting to a supply or return air plenum. Choose the size that matches the diameter of the ducting you will be using.
  • Y Ducting
    •  These "Y" shaped ducting components transition from one round duct into two round ducts.  Choose the size that matches the diameter of the incoming ducting and the diameters of the outgoing ducting.
  • Adjustable Elbows and Angles
    •  These adjustable elbows connect and transition between two round ducts running in different directions.  Choose the size that matches the diameter of the ducting you will be using.
  • Reducers
    •  These reducers connect and transition between two round ducts of different sizes.  Choose the reducer that matches the diameter of both ducts that will connect to it.
  • Register Boots
    •  These register boots are used to terminate round ducting and transition to the register.  Choose the size that matches the diameter of the ducting and the dimensions of the register that you will be using.
  • Round Pipe
    •  These round pipes are used to branch off from the main trunk ducts of a home.  
  • Ceiling Supply Diffusers
    • These ceiling supply diffusers are part of room air distribution subsystems, and serve several purposes: To deliver both conditioning and ventilating air. Evenly distribute the flow of air, in the desired directions. To enhance mixing of room air into the primary air being discharged. To create low-velocity air movement in the occupied portion of room.
  • Flexible Ducting
    • These flexible ducts are used to branch off from the main trunk ducts of a home.  Their flexibility allows for greater installation options, and their insulation means you won't lose heating or cooling out of the ducting when the ducting is in an unconditioned area, such as an attic or crawl-space.
  • High-Velocity Ducting and Accessories
    • These products are used to add or replace ducting components for a high-velocity system such as a supply plenum, return plenum, or ducting to carry air to the air outlets.
  • Supply Air Plenums
    • These supply air plenums are sheet metal boxes that attach to the outlet of a furnace or air handler and are used as a central manifold for other ductwork to connect to. As the air blows from the furnace or air handler, it flows through the supply plenum and any ductwork attached to it.
  • Return Air Plenums
    • These return air plenums are the ducting that attach to a furnace for the return air to flow through, and are used as a central manifold for other return air ducting. 
  • Sheet Metal Transition Kits
    • These sheet metal transition kits are used to make a custom fabricated duct to connect a new furnace or air hander to existing ductwork. They can also be used to transition from a return air plenum when installing an air cleaner. 
  • Duct Sealant
    • Studies have shown that heating and cooling systems can lose up to 30% of their efficiency due to leaks in the ductwork. The solution is to seal the ductwork at the joints where ducts connect together. Use of duct sealant will save you money on energy costs when operating your forced-air heating and cooling equipment.

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.