M&M Manufacturing Company

DucTite® - Bringing Innovation In HVAC Air Distribution Products!

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Over Half a Century of Quality Sheet Metal ProductsAt M&M we don't just make HVAC products, we make better HVAC products!

We endeavor to improve our products to benefit the industry by "raising the bar" for higher quality products.

When customers asked for Factory Sealed alternatives, we listened and then developed DucTite® at a competitive class price.

We have been providing outstanding, reliable HVAC air distribution products to our valuable clientèle for over a half century. Our products help give a competitive advantage. In today's energy conscience market, it is essential that HVAC installations be the highest quality possible, not the just the minimum required to pass code.

At M&M we believe there is a whole lot more to providing quality products at competitive prices than just having product.  While the competition is reducing metal thickness we are developing better products to save time and labor for the contractor.  Air leakage is almost always mentioned when talking about metal duct and fittings.  The DucTite® family of products provide factory sealed HVAC fittings so the contractor can install a higher quality system in less time.  All DucTite® products are clearly labeled or embossed to let inspectors know this contractor cares enough to use a better product.

DucTite® - Ask for it by name!

602 DucTite® Register Boxes are manufacturing under M&M Patent No. 5,749,190.
DucTite® conforms to 2009 IRC M1601.4.1 which requires joints and seams to be "Substantially Airtight".