MRCOOL DIY Hyper Heat 5th Gen — Size Comparison

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.
MRCOOL® DIY 5th Gen Hyper Heat
BEST VALUE
12K BTU
12,000 BTU
$2,532
DIY-12-HP-115B25A-HH
LARGER SPACE
18K BTU
18,000 BTU
$3,173
DIY-18-HP-230B25A-HH
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.