Budd The Furnace Man & Sons, Inc. has been a cornerstone of the Hammond, IN community for nearly 100 years. We’ve helped area families, and businesses install, maintain, and repair their heating and cooling systems. As a third generation HVAC company, we can lean on our vast experience in the field to deliver the best service possible. We have the advantage of a shop fabrication facility and warehousing facility. Our parts department sells a variety of heating and air conditioning products.