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Wisdom to Keep You Cool

We believe that by providing facts, resources and options - customers and resellers will choose MRCOOL

April 13, 2023 By MR COOL

MRCOOL® DIY® Quick Connect Pre-Charged Line Sets: Tested for Perfection

The Quick Connect® line sets from MRCOOL® are a critical component of our DIY® Ductless Mini-Split Systems as they simplify the installation process. Without these essential parts, one would need costly HVAC tools to connect, braze, and charge the line set, making the acquisition of a new HVAC system considerably more expensive. Our DIY® Quick […]

September 15, 2022 By MR COOL

Guide To HVAC Refrigerant Line Insulation

Air conditioner refrigerant line insulation is easy to install and can make a difference in your unit’s cooling capability. Like all insulation, the type used for your refrigerant lines protects the system from excessive heat transfer and inefficient operation. Whether you’ve just installed a new unit that needs insulating around the refrigerant lines or must […]

October 19, 2016 By MR COOL

Precharged Line Sets Are For Real, Right?

Precharged line sets aren’t a new innovation in the HVAC industry, but they’re not exactly widespread either. When we tell people our MRCOOL DIY line sets do not need to be vacuumed down, plenty of installers out there, professional or otherwise, just don’t believe it. But, hey, don’t take my word for it! Precharged Line […]