Ground Loop Heating and Air Conditioning

Ground Loop Heating and Air Conditioning Ground Loop Heating and Air Conditioning We are the oldest geothermal company in the state of Maryland. Visit our website for more information www.groundloop.com

Ground Loop custom designs loop systems, large or small, new construction or retrofit for commercial, industrial and residential applications. Our expertise includes geothermal heat pumps, (also known as ground source heat pumps), geothermal water heaters, and geothermal furnaces, to name a few, and we are happy to speak with you about your home and heating needs.

Meet the newest member of the Ground Loop team. Esther Sloan Cullum still has not completed her final interview but we e...
05/19/2026

Meet the newest member of the Ground Loop team. Esther Sloan Cullum still has not completed her final interview but we expect to offer her the position in our service department with her Dad.

Have an old WaterFurnace?
05/07/2026

Have an old WaterFurnace?

Celebrate Earth Day 2026 with an exclusive giveaway from WaterFurnace. Discover how WaterFurnace geothermal systems protect the planet while slashing your energy bills by up to 70%. Enter the Earth Day giveaway today!

04/30/2026

WaterFurnace Geothermal Heating, Cooling & Hot Water is looking for the oldest Waterfurnace system still in use... and the story that goes with it! Think you have an old WaterFurnace geothermal unit and a great story... reach out to Ground Loop Heating and Air and well help you sign up for the contest!

!!!WINNER RECIEVES A NEW WATERFURNACE SERIES 5 UNIT!!!

Excited for the 2026 International Ground Source Heat Pump Association Conference! The industry is exploding and we are ...
04/15/2026

Excited for the 2026 International Ground Source Heat Pump Association Conference! The industry is exploding and we are proud to be a part of it.

The boys at Allied Wells making it look easy at a very tight Baltimore City lot.
04/01/2026

The boys at Allied Wells making it look easy at a very tight Baltimore City lot.

03/16/2026

HDPE…same pipe just a little bigger than we’re used to.

Happy Thanksgiving from our family to yours!🦃💛
11/27/2025

Happy Thanksgiving from our family to yours!🦃💛

Another Jarettsville furnace goes to the scrap yard. The boys doing a great job on a Thursday morning.
09/26/2025

Another Jarettsville furnace goes to the scrap yard. The boys doing a great job on a Thursday morning.

This Saturday with 20-30 friends we celebrated 60 years for this man. He’s been an outstanding, friend, father, and cow...
09/22/2025

This Saturday with 20-30 friends we celebrated 60 years for this man. He’s been an outstanding, friend, father, and coworker for over 20 years. Some doubted he would even make it to 60… look at him now.

A great man Ted Evans

Address

1701 Whiteford Road
Darlington, MD
21034

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+14108361706

Website

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