Picked up a used Twister T6 for $400 and replaced the gear box for $100 and now its like new again.
Comfort where other HVAC systems can’t go.
Say hello to the MRCOOL® Monoblock. A revolutionary 4-in-1 climate solution that combines sleek, modern design with powerful performance, the Monoblock is ideal for those wanting a compact solution without the added installation complexity.
Installs where traditional mini‑splits can’t.
Requires no outdoor condenser.
Solves HOA and historic-home installation challenges.
Delivers efficient heating and cooling from one compact unit.
Whether you need to beat the summer heat or avoid winter's chill, the MRCOOL® Monoblock delivers year‑round comfort without compromising your home's curb appeal.
Precise Comfort at Your Fingertips
What is the MRCOOL Monoblock?
The MRCOOL® Monoblock is an all-in-one heating and cooling unit designed to deliver comfort without a bulky outdoor condenser.
Does the Monoblock need an outdoor unit?
No, the Monoblock eliminates the need for a traditional outdoor condenser. All system components are housed within the indoor unit, making it a practical choice for locations where exterior installations are limited.
What does the Monoblock include?
Equipped with Cooling, Heating, Fan, and Dry modes, plus Swing, Silent, and programmable Timer functions, the Monoblock works to accommodate your comfort.
Is the MRCOOL Monoblock easy to install?
Installation is intentionally straightforward and accessible, making this a perfect DIY-friendly option. With no outdoor unit, no refrigerant handling, and no requirement for a certified HVAC technician, installation time and costs are significantly reduced.
Does the Monoblock require manual drainage?
Actually, no. The installer will create a small drainage hole and thread a condensate pipe through the wall, ensuring all water drains directly outside.