Single splitSEER2 18.9 Heats too
MRCOOL · Model EZPRO-12-HP-11516D-O
DIY Easy Pro 5th Gen 12,000 BTU Ductless Mini Split Heat Pump
A wall-mounted split air conditioner rated at 12,000 BTU for rooms up to 500 sq ft. It heats in winter too.
MRCOOL · Model EZPRO-12-HP-11516D-O
A wall-mounted split air conditioner rated at 12,000 BTU for rooms up to 500 sq ft. It heats in winter too.
$1,489
Live price at SylvanePrice checked Sep 27, 2026
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Based on 50 prices we have recorded since Jul 25, 2026, not a market average.
Will it cool your room?
This has more cooling than your 150 sq ft room needs. It can short-cycle and leave the air cool but humid.
Mini-splits are rated on SEER2, a seasonal scale, not the ENERGY STAR annual-kWh figure this dollar estimate is built from, so there is no comparable figure to show here. A blank is missing data, not a worse result: a mini-split is often the more efficient choice.
Installation cost
$2,500-6,000 fully installed for a typical room (the equipment is roughly $700-1,800, professional installation roughly $1,500-4,000+ depending on line-set run, electrical and access). The unit price you see here is hardware only; installation is the larger, separate cost.
A typical range for this system type, for comparison only, not a quote for this unit. The actual price depends on the line-set run, electrical work and access.
At a glance
Best for larger open-plan rooms.
EER2, SEER2, warranty, heating capacity, refrigerant, heating limit and outdoor unit size are from Sylvane's published specifications for this exact configuration, checked Sep 26, 2026.
This is a single split. This is where regulation bites. Under EPA Section 608 the refrigerant circuit may only be opened by a certified technician, and the EPA is explicit that this includes connecting or disconnecting the pre-charged line sets sold with "DIY" mini-split kits. No federal law stops you doing the mounting, bracketing and line routing yourself, but handling the refrigerant without certification voids the warranty and is a violation. Most US jurisdictions also require permits for a new outdoor unit: typically mechanical or building for the wall penetration and mount, plus electrical for the dedicated 240 V circuit and disconnect. An HOA nearly always has to approve exterior equipment in advance, and local noise ordinances can cap how loud the condenser may be at the property line. This varies by city and county, so confirm with your building department before buying hardware.
Certified installer
R-454B
Compare splits against the other types on price, noise, efficiency and install.
The questions buyers ask, answered from live prices and real specs. See where a single split like this fits.
MRCOOL
A wall-mounted split air conditioner rated at 12,000 BTU for rooms up to 550 sq ft. It heats in winter too.
$1,599
at Sylvane
+ pro install, usually $1,500-4,000
MRCOOL
A wall-mounted split air conditioner rated at 9,000 BTU for rooms up to 350 sq ft. It heats in winter too.
MRCOOL
A wall-mounted split air conditioner rated at 9,000 BTU for rooms up to 400 sq ft. It heats in winter too.
$1,388
at Sylvane
+ pro install, usually $1,500-4,000
Lowest since Jul 25, 2026 $1,388$1,487
at Sylvane
+ pro install, usually $1,500-4,000