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At MT Building Services, we know how to keep the comfort and energy you pay for where it belongs — in your home or office. Through our family of companies, MT Heating & Cooling,  MT Weatherization, and Tenny Group Properties, we provide mastery-level knowledge of building science. We understand what your residential or commercial space needs to create the desired climate with top air quality while controlling the flow of water around your building.

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Want to join and grow with an expanding, green energy conscious company? Our mission is to create a more sustainable environment for future generations. We welcome individuals that thrive in a team environment while encouraging independent thinking and continuous process improvement.

MT Heating & Cooling is a local full-service HVAC contractor serving the greater Harrisburg, Hershey, Hummelstown, Palmyra, Camp Hill, Mechanicsburg, and greater Johnstown and Altoona areas. We provide inspection, maintenance, repair, and installation services for heating & cooling systems. We are committed to an exceptional service experience for residential and commercial clients. Try our free home energy analysis! It will help you understand where your home is losing energy.

MT Weatherization provides energy-saving services to customers in the Mid-Atlantic region using state-of-the-art equipment and high-tech materials. We perform all phases of the weatherization process from energy audits and analyses, to the recommendation of prescriptive energy-saving measures and installation of energy-saving products.In business since 2007, MT Weatherization has a long history in building science and understanding the building envelope.  With approximately 30,000 audits under our belt, we are proud to boast a savings of almost 80 million KWH. That’s a savings of approximately 21.5% a year!  These savings compound year after year resulting in a return on your weatherization investment. 

At Tenny Group Properties, we invest in fixer-uppers, transforming them into eco-friendly, move-in ready residential and commercial buildings. Our experts assess each home to determine how the building can function more sustainably and how we can upgrade the home or building to welcome a new family or business.