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MRCOOL Preseason Sale

Limited-Time Promotion

MRCOOL Preseason Sale – DIY Mini Split Systems

Promotion ends March 31, 2026. While supplies last.
Explore MRCOOL DIY single-zone systems on seasonal promotion. Choose your size by BTU and voltage, then click through to the product page for full specs, availability, and checkout.

Promotion Models

MRCOOL DIY-09-HP-WM-115D25-O 9,000 BTU banner
DIY Series
DIY-09-HP-WM-115D25-O
9,000 BTU • 115V • Single-Zone
Best for small rooms & offices.
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MRCOOL DIY-12-HP-WM-115D25-O 12,000 BTU banner
DIY Series
DIY-12-HP-WM-115D25-O
12,000 BTU • 115V • Single-Zone
Best for bedrooms, offices, studios.
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MRCOOL DIY-18-HP-WM-230D25-O 18,000 BTU banner
DIY Series
DIY-18-HP-WM-230D25-O
18,000 BTU • 208/230V • Single-Zone
Great for larger single rooms.
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MRCOOL DIY-24-HP-WM-230D25-O 24,000 BTU banner
DIY Series
DIY-24-HP-WM-230D25-O
24,000 BTU • 208/230V • Single-Zone
Great for garages & additions.
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MRCOOL DIY-36-HP-WM-230D25-O 36,000 BTU banner
DIY Series
DIY-36-HP-WM-230D25-O
36,000 BTU • 208/230V • Single-Zone
For large open spaces & shops.
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*Promotion availability and pricing subject to inventory and program terms. Product pages contain full specifications, GTIN/MPN, and shipping details. Promotion ends March 31, 2026.