MRCOOL® DIY 5th Gen Hyper Heat — Size Comparison
DIY Hyper Heat systems deliver reliable heating down to -13°F (-25°C) with Quick Connect technology — no vacuum pump needed. Compare both available sizes below.
Hyper Heat to -13°FQuick ConnectR-410AWi-Fi Built-In10-Year Warranty
The 12,000 BTU Hyper Heat is ideal for rooms up to 750 sq. ft. in cold climates. The 18,000 BTU handles larger spaces up to 1,000 sq. ft. with the same extreme cold-weather performance.
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MRCOOL® DIY 5th Gen Hyper Heat
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BEST VALUE
12K BTU
12,000 BTU
$2,532
DIY-12-HP-115B25A-HH
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LARGER SPACE
18K BTU
18,000 BTU
$3,173
DIY-18-HP-230B25A-HH
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| System Performance | ||
| Cooling Capacity | 12,000 BTU | 18,000 BTU |
| Cooling Efficiency (SEER2) | 22.0 | 20.0 |
| Heating Efficiency (HSPF2) | 11.0 | 10.5 |
| Recommended Coverage | 450–750 sq. ft. | 750–1,000 sq. ft. |
| Refrigerant | R-410A | R-410A |
| Electrical | ||
| Voltage | 115V / 1-Ph / 60Hz | 208/230V / 1-Ph / 60Hz |
| What's Included | ||
| Line Set | Included (25 ft) | Included (25 ft) |
| Wi-Fi / SmartHVAC App | ✓ Built-in | ✓ Built-in |
| Physical | ||
| System Weight | 88 lbs / 39.9 kg | 88 lbs / 39.9 kg |
| Min. Operating Temp (Heat) | -13°F (-25°C) | -13°F (-25°C) |
| Warranty | 10-Year Parts + Compressor | 10-Year Parts + Compressor |
| View Product | View 12K BTU → | View 18K BTU → |
Notes:
- All prices shown are MSRP and subject to change without notice.
- Coverage area estimates assume average insulation, 8 ft ceilings, and moderate climate. Actual coverage may vary.
- Efficiency ratings (SEER2/HSPF2) are AHRI-certified under Standard 210/240-2023.
- 10-Year Warranty requires product registration within 60 days of installation by a licensed HVAC contractor.
- Need help choosing? Contact our HVAC specialists.