Energy Star Certified Mini Splits*
No pros, no pressure
Just you
on the marketdesigned for full homeowner installation.
No license, no technicians, no compromises.
Intertek-Tested &
Certified
When it comes to easy installation and peace of mind, MRCOOL® stands alone as the ONLY company with patented pre-charged line set valves that have been tested and certified by Intertek.
With the Intertek stamp of approval, homeowners and contractors alike can be sure that their pre-charged installation will be faster, safer, and fully compliant with industry standards.
Rated to Handle 921 PSI
Built to last and tested for strength and leakage
Patent-Protected Design
No other line set has this level of certification or innovation
Versatile Usage
Works with R454B refrigerants
Intertek Certified
Backed by Intertek lab testing at Intertek Plano (TX) with full safety and pressure validation
Frequently Asked Questions.
The 5th Gen DIY® series uses R-454B refrigerant, a more efficient and eco-friendly option than previous refrigerants like R-410A.
The Advantage series is not a DIY system and requires professional installation by a licensed HVAC technician.
The MRCOOL® DIY® is the first and only true do-it-yourself heat pump system!
Yes, the bundled DIY systems will include the necessary communication wires to let the indoor and outdoor units communicate.
It varies depending on the condenser. For example, the smallest condenser, which is a three-zone 18k BTU condenser, can support 123 feet of line set. The largest condenser, a six-zone 55k BTU condenser, can support 221 feet of line set.
Since the 5th Gen MRCOOL® DIY® Multi-Zone comes in sizes that can support anywhere between 2 to 6 zones, you can potentially heat and cool up to 6 different spaces.
