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


We are experts who know how to keep the comfort and energy you pay for where it belongs — in your home or office. Backed by our sister company, MT Weatherization, MT Spouting, and MT Insulation, we provide mastery-level knowledge of building science. We understand what your house or office needs to create the desired climate with top air quality. This eco-friendly approach is practical, sustainable and without technology bias.


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Home Energy Analysis

Is all the air you’re paying to heat and cool escaping right out of your house? Do you feel drafts? Do you have one room that is always hotter or colder than the others? We can tell you why.


System Tune-Up

Has it been a while since your last system checkup? Routine maintenance is critical in keeping your system running smoothly and efficiently.

Air conditioning

Annual Maintenance

Being proactive will save you money. We inspect your system every 6 months — clean and replace filters, while keeping everything else running as efficiently as possible.

MTHC fixing HVAC system
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