Ductless Mini-Splits

Ductless mini-split systems deliver targeted heating and cooling without the need for ductwork — making them ideal for new construction, additions, garages, server rooms, and spaces where traditional forced-air systems are impractical. MRCOOL® offers the broadest range of ductless systems available, from truly self-install DIY models to contractor-grade and commercial-class equipment.

Which Series Is Right for Your Project?

Series	Install Type	BTU Range	Refrigerant	Zones
DIY 5th Gen	Self-install — no license needed	9K–36K	R-454B	1
DIY 5th Gen Multi-Zone	Self-install — no license needed	18K–55K	R-454B	3–6
Advantage 5th Gen	Contractor install	9K–36K	R-454B	1
EasyPro 5th Gen	Contractor install	9K–24K	R-454B	1
Olympus 4th Gen	Contractor install	9K–48K	R-454B	1–6
DIY Hyper Heat	Self-install	12K–18K	R-454B	1
OuttaSight Cassette	Contractor install	6K–18K	R-454B	1

What’s in This Collection

Complete Systems — Condenser + air handler bundles for single-zone installs
Condensers — Outdoor units sold individually for pairing flexibility
Air Handlers — Wall mount, ceiling cassette, and ducted indoor units
Multi-Zone Condensers — Single outdoor unit supporting 2–6 independent indoor zones

Sort by

View as

MRCOOL LineGuard 4.5in 16-Piece Line Set Cover Kit White | MLG450

MRCOOL LineGuard 4.5in 16-Piece Line Set Cover Kit Tan | MLG450-T

$151.98 - $152.98

$151.98

MRCOOL LineGuard 4.5in 16-Piece Line Set Cover Kit

MRCOOL

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

View full details