MRCOOL GeoCool Geothermal Heat Pump: A Grounded Way to Save Energy

If you're looking for a high-efficiency, low-maintenance heating and cooling system that taps into the earth itself, the MRCOOL GeoCool Inverter Geothermal Heat Pump deserves a closer look. It’s engineered for long-term savings and comfort—without relying on traditional fuel sources or noisy outdoor units.

Why Geothermal? Why Now?

Geothermal systems use the stable temperature of the ground to heat and cool your home. While the upfront investment can be higher than a standard heat pump, systems like the MRCOOL GeoCool are built to return that investment over time through lower energy bills, fewer mechanical issues, and greater year-round comfort.

Ready to Explore GeoCool Systems?

See available models, compare specs, and find the right geothermal system for your home.

What Makes the MRCOOL GeoCool Different?

  • All-DC Inverter Technology: Smooth, responsive performance that adapts to your home’s heating and cooling needs in real time.

  • High Precision Temperature Control: Thanks to its electronic expansion valve, it manages indoor temps with greater efficiency and less energy waste.

  • Multi-Positional Flexibility: Install horizontally, vertically, or in tighter mechanical spaces—ideal for custom home layouts or retrofits.

  • Modular Design: Comes with four independent modules, giving you more options for airflow configuration and space planning.

Efficiency Ratings That Stand Out

Depending on loop type and load conditions, the GeoCool series delivers impressive efficiency:

  • Up to 70 EER (part load, open loop)

  • COP as high as 6.2

  • Closed loop systems still achieve up to 48.79 EER at part load

These numbers aren't just impressive—they can translate into serious long-term savings, especially if you're switching from a traditional HVAC system.

Resource Description Link
Energy.gov – Geothermal Basics Overview of how geothermal systems work and their energy-saving potential. Visit Site
ENERGY STAR – Geothermal Heat Pumps ENERGY STAR-certified geothermal systems and efficiency standards. Visit Site
EPA – Climate Change and Home Heating Environmental benefits of high-efficiency home heating systems. Visit Site
DSIRE – Tax Credits & Incentives Database of State Incentives for Renewables & Efficiency. Search by state. Visit Site
IRS – Residential Clean Energy Credit Details on claiming federal tax credits for geothermal heat pump systems. Visit Site

Built for Real-World Conditions

This system is engineered to perform across a wide range of indoor and outdoor conditions:

  • Cooling inlet range: 44.6°F to 107.6°F

  • Heating inlet range: 21.2°F to 89.6°F

  • Ambient operating range: 39.2°F to 100.4°F

  • Return air range: 50°F to 89.6°F

It’s also capable of full-load cooling up to 50,500 BTU and heating up to 48,000 BTU, depending on your loop configuration.

Designed with Installation Flexibility in Mind

Whether you’re working with a horizontal ground loop, vertical boreholes, or an open-loop water source, the MRCOOL GeoCool system is built to fit. And because it's a multi-positional configuration, it can adapt to most residential mechanical rooms without major redesign.

Who This System Is Great For

  • Homeowners building or renovating with energy efficiency in mind

  • Rural or off-grid properties looking to reduce long-term heating costs

  • Anyone seeking a quiet, high-performance system with minimal outdoor impact

  • Customers who value planet-friendly HVAC solutions

Frequently Asked Questions

Q: Is the GeoCool a heat pump or a full HVAC system?

A: It’s a geothermal heat pump—but it handles both heating and cooling, so it's a complete system in one unit.

Q: Does it really help save energy?

A: Yes. With up to 70 EER, the MRCOOL GeoCool is among the most energy-efficient residential systems available.

Q: What makes a geothermal system different from a regular heat pump?

A: Instead of using outdoor air, it pulls energy from the ground—which stays at a more stable temperature year-round.

Q: Is installation complicated?

A: Installing a geothermal system does require planning, especially around ground loops. But once installed, the system is known for its long lifespan and low maintenance needs.

Final Thoughts

If you're serious about reducing your energy use and creating a more sustainable, comfortable home, the MRCOOL GeoCool Geothermal Heat Pump is worth exploring. With cutting-edge inverter technology, strong efficiency ratings, and the backing of a trusted brand, it’s a smart choice for heating and cooling from the ground up.

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