Mollenberg-Betz, Inc is over a century-old, Buffalo based mechanical/plumbing contractor specializing in refrigeration, servi ... ce, plumbing, heating, ventilation, air conditioning, industrial piping, custom metal fabrication, and boiler tube repair. Our goal is to ignite daily our values of safety first, teamwork, relationships, and ethics to develop and sustain long-term customer relationships with our experienced and knowledgeable team members using the most up-to-date technologies. read more