Description
Ultra-Efficient Geothermal Heating & Cooling — 48K BTU Vertical Downflow
The MRCOOL GeoCool GCSHPB048IGN is a 48,000 BTU (4-ton) vertical downflow geothermal heat pump delivering exceptional heating and cooling efficiency by harnessing stable earth temperatures. The vertical downflow configuration is designed for installations where ductwork is located below the unit — such as crawl spaces, raised floor systems, or basement installations with downward airflow.
Technical Specifications
| Brand | MRCOOL |
| Model / SKU | GCSHPB048IGN |
| Series | GeoCool Inverter Series |
| Product Type | Complete System | Geothermal Heat Pump |
| Coverage Area | Up to 2,400 sq. ft. |
| Refrigerant | R-410A |
| Electrical | 208-230V / 60Hz / 1-Phase |
| Weight | 285.0 lbs (129.3 kg) |
| Warranty | MRCOOL Manufacturer Warranty (register within 30 days) |
Installation & Product Tips
- The vertical downflow configuration requires ductwork below the unit — verify floor/crawl space clearance
- Geothermal systems require a properly sized ground loop installed by a certified geothermal contractor
- Verify water flow rate is within the specified range (typically 12–16 GPM for a 4-ton system)
- Install a flow meter (such as the MRCOOL LZT-25G) to monitor and balance the ground loop flow
- Register within 30 days of installation to activate the full MRCOOL warranty
Frequently Asked Questions
Warranty Information
All MRCOOL products sold by HVACProSales come with the full MRCOOL manufacturer warranty. Register your product at the MRCOOL registration portal within 30 days of installation to activate full warranty coverage. Residential products typically include a 7-year parts warranty and 5-year compressor warranty when registered. Commercial products carry a 5-year parts warranty.
Why Buy From HVAC PRO Sales
15+ Years HVAC Experience | 500+ Systems Installed | Authorized MRCOOL Dealer
- Authorized MRCOOL Dealer — Official warranty support
- 15+ Years HVAC Industry Experience
- Expert Pre-Sale Technical Consultation
- Price Match Guarantee on all authorized MRCOOL products
- Same-day processing on in-stock orders over
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