Weil-McLain is a leading designer, manufacturer and marketer of heating and cooling equipment in residential, commercial and institutional buildings.

Building on a tradition of quality and innovation, our mission is simple: to design and build the best products on the market, to make them first and to make them last – for decades.

Expanding Reach

Headquartered in Michigan City, Indiana, Weil-McLain has manufacturing facilities in Michigan City, Indiana, and Eden, North Carolina.

Our products are found in homes and commercial projects throughout the United States and Canada.

With approximately 700 employees worldwide, we are now taking our expertise beyond North America’s borders. In addition, our manufacturing facility in China produces commercial boilers for the Chinese market and exports castings to Maeda Boiler Company in Japan.

Beyond Product Quality

The reliability and energy efficiency of our products has helped to make Weil-McLain a leader in comfort heating and cooling systems. We also combine hydronic expertise with the responsiveness of our support operations to provide our customers with added value and peace of mind.

Click here to learn more about Weil-McLain^® air conditioning products

Remember, H. Jack Langer Plumbing, Heating & Air Conditioning can handle all of your residential and commercial air conditioning needs, including:

Serving Erie and Crawford counties, H. Jack Langer offers repair, parts, service and installation of both residential and commercial air conditioners and air conditioning systems. Don't forget, we offer free estimates on plumbing and new HVAC installations.