Home · MRCOOL DIY 5th Gen 36k vs MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18)

MRCOOL DIY 5th Gen 36k vs MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18)

A two-system head-to-head from our verified dataset: the MRCOOL DIY 5th Gen 36k ($3,469) against the MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18) ($4,538). Same rating class, different shapes - verified specs side by side, including where each system's price does and does not include its line sets.

Computed from our dataset

  • 2 system(s) from our verified dataset appear on this page.
  • Price range: $3,469 to $4,538 (verified 2026-11-04).
  • Cheapest: MRCOOL DIY 5th Gen 36k at $3,469 (Sylvane).
  • Highest SEER2: MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18) at 23 SEER2.
  • Best heating rating: MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18), rated to -13°F.
SystemZonesBTUCoverageSEER2Heats toInstallPrice
MRCOOL DIY 5th Gen 36k
DIY-36-HP-WM-230D25-O
136,000up to 1,550 sq ft18—Pro / flare$3,469
at Sylvane
Check price
MRCOOL DIY 5th Gen 3-Zone 36k (9+9+18)
DIY-MULTI5-36HP230D
336,000Per-zone: 400 / 400 / 1,000 sq ft23-13°FPro / flare$4,538
at HVACDirect
Check price at HVACDirect

Buying notes

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