To be our customers' first choice for air conditioning, heating and refrigeration solutions everywhere around the world. Making the World a Better Place To Live, Work and Play From the time our founder invented the basics of modern air conditioning in 1990,M B Mechanical HVAChas been the world leader in air conditioning, heating and refrigeration systems. MB is built upon a legacy of innovation and commitment. Through our market-leading products and solutions, we are constantly striving to help people live more comfortable, healthy and productive lives.