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  1. AMP Products
  2. AmeriFlex
  3. AmeriFlow
  4. AmeriVent
  5. Lima

American Metal Products

American Metal Products is a leader in the HVAC and hearth industries, offering a wide variety of grilles, registers & diffusers, flexible air ducts and wood, oil, pellet & gas venting solutions. All of our products are manufactured from the highest quality materials to ensure the best performance, and come backed with quick lead times and expert customer support.

We have a new look. has been broken up into four individual brand sites. Click the brand names to the right to learn more.

Brands - Ameriflex

Ameriflex flexible air duct products are proudly manufactured in the United States to meet rigorous standards for both residential and commercial markets. Crafted from the highest quality materials, AmeriFlex flexible air ducts are certified to the GreenGuard® Children and Schools indoor air quality standard. AmeriFlex flexible air duct is UL listed and engineered for performance and longevity.

*GreenGuard® is a registered trademark of UL Environment


Logo Ameriflow


AmeriFlow offers stylish grilles, registers, diffusers and accessories for the retail market. All AmeriFlow products are quality crafted with the customer in mind to make sure every job goes smoothly. Sold in home improvement stores across North America; AmeriFlow products are readily available for you.


Brands - Amerivent

AmeriVent offers top-quality venting solutions―including type B gas vent, chimney liners, chimney, stovepipe, direct vent and pellet stove venting products and accessories―for today’s residential heating appliances. AmeriVent products are made of durable materials for longevity and are UL listed for safety. AmeriVent is your trusted source for residential venting and chimney.


Brands - Lima

Lima Register offers an extensive product line of high-quality grilles, registers, diffusers and related accessories. Every Lima Register product is made from the best materials with precise craftsmanship. A leader in the industry, Lima Register designs and manufactures every product to exceed expectations.