Your Mertztown, Pennsylvania, Geothermal Authority In Mertztown, Pennsylvania, geothermal heating and cooling is quickly becoming the consumers choice. It’s no surprise as to why. Ground conditions are perfect here. Consider, too, our seasonal temperature extremes. They make geothermal installations the right choice for heating and cooling comfort throughout the year. If you’d like to learn more on how much a geothermal system could save you in Mertztown, just plug your information into our handy Geothermal Savings Calculator. It’s easy. And the results might well surprise you. Then follow the lead of so many others in Mertztown Contact Paul W. Essig Inc.. Let us apply our professionalism to the installation of your very own geothermal system. We stand on our word to ensure its properly installed and properly serviced – for unbelieveable heating and cooling.