Grant Heating & Cooling has been servicing and installing both residential and commercial geothermal heat pump systems. We can help you with your existing system or a new system installation, from the initial design to the finished project. We're happy to help you heat and cool your space with energy-efficient geothermal heating and cooling from the earth. Our geothermal experts will help you get the very best out of your geothermal system. We service geothermal systems throughout East Hampton area.