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Build your own MRCOOL DIY mini split system!
Customize your DIY Multizone Mini Split Air Conditioner System with our Build Your Own DIY Mini Split System page by choosing your condenser size, air handlers, and linesets according to your needs!
All you need is the total number of rooms or zones and the square footage of each area you want to heat and cool.
Lightning Fast Delivery
We ship out the same day so your order arrives within just a few days!
Best Price Guarantee
Our prices are highly competitive so our customers get the best deal possible.
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We're available 24/7 to help answer any questions you have.
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