Get the Most Out of Your Air Conditioner

Earth Day is Sunday, April 22nd – are you ready to celebrate? At McCrea, we’re all about helping the Earth while saving you money, so we thought we’d honor the occasion with a tribute to the wonders of geothermal energy.

Geothermal power isn’t just for the beautiful natural springs dotting your social media feeds. In fact, using geothermal heating and cooling in your own home can save you money and reduce your carbon footprint. Great for the Earth, great for your monthly bill – a win-win!

How it Works:


  1. During the winter, geothermal heating and cooling systems send water circulating through an underground loop.
  2. This allows the systems to absorb the heat stored in the ground, which is then carried to ground source heat pumps.
  3. The heat pumps concentrate the heat, then circulate it as warm air throughout your home.

Geothermal systems use less energy than traditional air source heat pumps, which must work extra hard during the winter to extract the necessary amount of heat from the cold air outside. Going geothermal is much more energy efficient, as geothermal systems easily absorb heat from the abundant supply stored in the ground.


  1. During the summer, the air is warmer and the ground is cooler. Geothermal heating and cooling systems absorb the heat inside your home, then transfer it to the underground water loop, where the heat is absorbed by the cooler ground.
  2. As the water loop returns from underground, the geothermal heat pump uses the cool water to create cool, dehumidified air to circulate throughout your home.

As in the winter, traditional air source heat pumps must work extra hard to do their job in the summer, forcing the heat from inside your home into the outside air, which is already warm. However, geothermal heat pumps don’t have to consume all that energy, as they send heat into the already-cool earth.

So whether you’re sweltering in summer or shivering in winter, geothermal heating and cooling will help keep you comfortable while conserving energy. See how you can save money and the planet this month and learn more about the process of geothermal heating and cooling here.

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