The maker's photo for this series, not this exact size; the outdoor unit grows with capacity

MRCOOL · Single-Zone DIY

MRCOOL Easy Pro 5th Gen 18,000 BTU

Name: MRCOOL Easy Pro 5th Gen 18,000 BTU
Brand: MRCOOL
Price: 1806 USD
Availability: InStock

EZPRO-18-HP-WMAH-230DE-O / EZPRO-18-HP-C-23011DE-O

~$1,806approximate retailer price at last check, equipment only

Check price on Amazon

Paid link: this site earns a commission on qualifying purchases. The price on Amazon may differ.

BTU/h: 18k
Volts: 230
Zones: 1
SEER2: 20
HSPF2: 8.5
Heats to: -13°F
Refrig.: R-454B
Covers: 800 ft²
Wi-Fi: Built in

Best forA garage, workshop or mild-climate living room where the lowest price for a self-installed 18k matters more than winter output.

Overview

MRCOOL's Easy Pro is the value tier under its DIY series, and the 18k is the middle size: a 230V single-zone heat pump with a precharged Quick Connect lineset and no vacuum work. This is the newer EZPRO-18-HP-23011DE version with an 11.5 ft lineset where earlier kits shipped 16 ft, and in exchange MRCOOL now lists a 5-year compressor and 3-year parts term. Certified efficiency is 20.0 SEER2 and 8.5 HSPF2. The NEEP entry shows what that means in winter: 9,800 BTU/h at 5°F from an 18,000 BTU/h rating, about 54%, and the listing is not an Energy Star cold-climate one. MRCOOL's DIY 5th Gen 18k costs more and is built for colder climates; the Easy Pro is the pick for a garage, shop or mild-winter living space where purchase price matters most.

Precharged 11.5 ft lineset
9,800 BTU/h at 5°F (NEEP)

Cold-weather output

At 5°F it still makes 54% of its rated heat, according to the certified NEEP listing for this pairing. MRCOOL rates it to keep running down to -13°F.

COP at 5°F: 1.8
Refrigerant: R-454B
AHRI cert.: 217678024
ENERGY STAR cold climate: No

Pairing: EZPRO-18-HP-C-23011DE-O with EZPRO-18-HP-WMAH-230DE-O. Checked October 8, 2026 on NEEP's ccASHP list; a different head or condenser posts different numbers.

Strengths and catches

Strengths

+Precharged Quick Connect lineset: no vacuum pump, no gauges, no refrigerant charging
+About $1,806 at MRCOOL's store, well under the DIY 5th Gen 18k
+5-year compressor and 3-year parts on the current listing, better than earlier Easy Pro terms
+Smart controller, Alexa and Google compatibility

Catches

−NEEP shows 9,800 BTU/h at 5°F, about 54% of the 18,000 BTU/h rating, and no Energy Star cold-climate listing
−HSPF2 of 8.5 is below every DIY-series MRCOOL 18k
−Included lineset is only 11.5 ft and cannot be lengthened

Questions buyers ask

Is the Easy Pro 18k easy to self-install?+

Yes. The 11.5 ft Quick Connect lineset is precharged with R-454B, so no vacuum pump or gauges. Because precharged sets cannot be extended, the condenser has to sit just outside the wall the head is on.

Is it suitable for cold-winter primary heat?+

Only with caution. NEEP lists 18,000 BTU at 47°F but 9,800 BTU at 5°F, about 54%, with COP 1.8, and it is not ENERGY STAR cold climate. MRCOOL rates it to -13°F, but capacity at that point is much lower than nameplate.

What does the 5-year compressor warranty cover?+

MRCOOL DIY Direct's current listing shows 5-year compressor and 3-year parts. Earlier Easy Pro kits and some resellers list shorter terms, so check the page you buy from.

Easy Pro 18k or Perfect Aire Quick Connect 18k?+

The Easy Pro is $143 cheaper at $1,806 but has an 11.5 ft lineset, a 9,800 BTU output at 5°F and 3-year parts coverage. The Perfect Aire at $1,949 holds 18,000 BTU at 5°F and has 7-year coverage. Pick the Easy Pro for mild climates.