Linesets, Heat Kits & Accessories

16ft 3/8" x 5/8" pre-charged R-454B lineset for MRCOOL DIY 5th Gen 24K & 36K indoor units. Length: 16 ft Liquid Line: 3/8" | Suction Line: 5/8"...

16ft 1/4" x 1/2" pre-charged R-454B lineset for MRCOOL DIY 5th Gen 18K indoor units. No vacuum pump required. Length: 16 ft Liquid Line: 1/4" | Suc...

16ft 1/4" x 3/8" pre-charged R-454B lineset for MRCOOL DIY 5th Gen 6K, 9K & 12K indoor units. No vacuum pump required — connect and go. Length:...

The MRCOOL Smart Thermostat MST06 is a premium Wi-Fi enabled smart thermostat for MRCOOL HVAC systems. Features a large color touchscreen and compa...

The MRCOOL Smart Thermostat MST05 is a programmable, Wi-Fi enabled thermostat compatible with MRCOOL mini-split and HVAC systems. Control your syst...

The MRCOOL® Water Dispenser Flow Meter (Z-4004) monitors water flow rate through your MRCOOL water dispenser system, helping you track filter usage...

Stage 4 Post Carbon Replacement Filter (T33S-10CF) for MRCOOL® Thermo-Controlled Water Dispensers. Final polishing filter that improves taste and r...

Stage 3 RO Membrane Replacement Filter (RO-10CF) for MRCOOL® Thermo-Controlled Water Dispensers. Reverse osmosis membrane removes up to 99% of diss...

Stage 2 Carbon Block Replacement Filter (CTO-10CF) for MRCOOL® Thermo-Controlled Water Dispensers. Reduces chlorine, chloramines, bad taste, and od...

Stage 1 Sediment Replacement Filter (PP-10CF) for MRCOOL® Thermo-Controlled Water Dispensers. This 10-inch polypropylene sediment filter removes su...

The MRCOOL® CoolBlade 24-Foot 6-Blade HVLS Fan Controller (MCFAN24XBGR-C) is the dedicated variable speed controller for the MRCOOL CoolBlade 24-ft...

Genuine MRCOOL® CoolBlade 24-Foot 6-Blade HVLS Fan Replacement Blades (MCFAN24XBGR-B). Fits the MRCOOL CoolBlade 24-ft 6-blade industrial fan MCFAN...

The MRCOOL® CoolBlade 16-Foot 5-Blade HVLS Fan Controller (MCFAN16PBGR-C) is the dedicated variable speed controller for the MRCOOL CoolBlade 16-ft...

Genuine MRCOOL® CoolBlade 16-Foot 5-Blade HVLS Fan Replacement Blades (MCFAN16PBGR-B). Fits the MRCOOL CoolBlade 16-ft 5-blade industrial fan MCFAN...

Experience year-round comfort with the MRCOOL® MrBreeze® Hot+Cool Bladeless Fan, designed to keep you cozy whether it's hot or cold outside. Its sl...

The MRCOOL® LineGuard Line Set Cover (MLG450) is a protective exterior line set cover designed for use with MRCOOL® ductless mini-split systems. Th...

20kW heat kit for the MRCOOL Central Ducted Air Handler. Provides supplemental electric resistance heating for compatible MRCOOL Central Ducted Air...

15kW heat kit for the MRCOOL Central Ducted Air Handler. Provides supplemental electric resistance heating for compatible MRCOOL Central Ducted Air...

8kW heat kit for the MRCOOL Central Ducted Air Handler. Provides supplemental electric resistance heating for compatible MRCOOL Central Ducted Air ...

5kW heat kit for the MRCOOL Central Ducted Air Handler. Provides supplemental electric resistance heating for compatible MRCOOL Central Ducted Air ...

The MRCOOL® A/C Rescue Foaming Coil Cleaner (MMCFOAM) cleans, disinfects, and protects your HVAC equipment to maintain peak efficiency and extend u...

The MRCOOL® Care Kit protects your 4th Generation DIY® Mini-Split investment. Register your unit at mrcool.com to subscribe and receive an auto-shi...