geothermal heat pump closed loop

What is a Geothermal Heat Pump Closed Loop?

 

Geothermal heat pumps are great HVAC systems, but they’re still very new to a lot of people. For example, if I said, “You need a geothermal heat pump closed loop for your home,” do you know what that means?

 

No? Don’t worry. We’re here to help.

 

Geothermal Heat Pump Closed Loop Installations

 

When it comes right down to it, you have two main choices for installing a ground-source heat pump in your home or business. You can either opt for a geothermal heat pump closed loop or an open loop system.

 

Don’t worry about open loop. I’m sure we’ll cover that in a future blog. For now, let’s talk about closed loops.

 

What is a Geothermal Heat Pump Closed Loop?

 

Geothermal heat pumps require a buried heat exchange network to do what they do. They dump heat from this network in summer, and absorb heat into it to keep your house warm in winter.

 

When we talk about a geothermal heat pump with a closed loop network, we’re talking, literally, about a closed pipe network buried underground. Think of the closed loop like an extra large condenser coil with about six feet of dirt piled on top.

 

This closed loop has some advantages. For one, many municipal governments require that geothermal heat pumps be installed in a closed network. That means you can’t just discharge water into the subsoil. A closed work let’s you get around that.

 

Why else?

 

Well, local water quality can be a consideration when it comes to geothermal heat pump installation. If your local water isn’t up to snuff, you would want to use a closed pipe network to protect the pump against corrosion and damage.

 

Simple, Right?

 

If you’re thinking, “Wow, that was really simple,” you aren’t wrong. Closed loops are pretty straightforward, and most geothermal heat pump owners rely on a closed loop installation.

 

Now you know what a geothermal heat pump closed loop is, and, remember kids, knowing is half the battle!

 

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