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4th generation Advantage series 18k-230v air handler
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Advantage·Pro InstallIndoor Unit Only

4th generation Advantage series 18k-230v air handler

Component — Not a Complete System

This is the indoor unit only. To run, you also need a matching outdoor condenser and a refrigerant line set. Looking for the complete system instead? Browse complete 18,000 BTU systems.

SKU A-18-HP-WMAH-230C

18,000 BTUup to 750 sq ft208-230R-410A
5 (3 reviews)2 verified buyers
$332.49
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Request a quote and we'll check when it's back, or match you to the closest in-stock unit.

We'll reply by email with availability or an in-stock alternative, and you can message us about it any time.

1-Year Compressor, 2-Year Parts and 1-Year Remote warranty · Covers up to 750 sq ft
Ships nationwide · exact freight at checkout
30-day returns on unopened products · See policy
Secure checkout:Visa · Mastercard · Amex · Discover

Sizing Help

Not sure if 18K BTU is right for your space?

Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.

Match My SpaceOr call (657) 582-0899

Resources

Brochures & Manuals

BrochureInstall ManualRemote ManualService ManualWarrantyEnergy GuideAHRI Certificates

Description

4th generation Advantage series 18k-230v air handler

What's in the Box

Here's what you'll receive with your order

Wall-Mount Air Handler

Indoor ductless mini-split unit

Wireless Remote Control

Handheld remote with temperature control

Mounting Plate & Hardware

Wall mounting bracket and screws

Owner Manual

Installation and operation guide

2 Years compressor warranty
R-410A refrigerant
Compressor: 2 Years warrantyParts: 1 Year warranty

Key Specifications

18000BTU

Cooling Capacity

750sq ft

Coverage Area

208-230V

Voltage

34.5dBA

Noise Level

1

Zone Capacity

4th generation Advantage series 18k-230v air handler — Model Details

What this specific model is sized for, how it installs, how it performs, and what it costs to run.

Room & Space Coverage — 18,000 BTU

The 4th generation Advantage series 18k-230v air handler delivers 18,000 BTU of cooling and heating capacity, sized for spaces up to 750 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit handles medium primary rooms, master suites with attached bath, converted garages, and workshops. If your space includes a sunny west-facing wall or a finished bonus room above it, lean toward the upper end of the coverage range.

Power & Electrical Requirements

Power requirement: 208-230V 1-phase 60Hz (standard US residential 240V service). Minimum circuit ampacity is 3A with a maximum overcurrent protection of 15A. Wire the outdoor unit with 14 AWG copper on a dedicated 15A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.

Install Difficulty — Professional Install

This is a professionally-installed condenser that requires a licensed HVAC technician with EPA 608 certification. The tech will pull a vacuum on the line set to 500 microns, pressure-test with nitrogen, release the factory charge, and commission per MrCool's startup procedure. Budget 1 full day for install on a single-zone system. Ships with R-410A refrigerant. R-410A is a mature, widely-serviced refrigerant; service technicians and parts are available at any HVAC supply house.

Sound Level & Comfort Features

Operating sound level ranges from 30 dB(A) on low to 43.5 dB(A) on high — the low end is whisper-quiet, below a normal conversation (60 dB) and comparable to a library reading room. Quiet mode caps fan speed and compressor rpm for an extra 2–3 dB drop in sound output.

Warranty & Certifications

When you register your unit within 60 days of purchase you get 2-year on parts and 1-year on the compressor through MrCool's registered warranty program. Unregistered coverage drops to None / None — registration takes 3 minutes at mrcool.com and is the highest-ROI post-purchase step you can take. AHRI certified and UL/ETL listed for North American electrical safety — required for most utility rebate and tax credit programs.

What's in the Box & Compatibility

Ships as a Mini-Split with remote control included.

Product Details

The new 4th generation MRCOOL Advantage series features higher efficiency with a 19 SEER. Immediately upon installation by an HVAC technician, you will experience high performance comfort with a competitive price point that is hard to beat. The MRCOOL Advantage condenser and air handler combination provides efficiency, affordability, a quiet operation, and superior quality. The environmentally friendly, chlorine-free R-410A refrigerant is used in this high performing condenser. The MRCOOL advantage is right for you if you’re searching for excellent quality coupled with technology. The WiFi controlled module helps to not only make setup a breeze, but allows for easier functionality and control with the SmartHVAC app or your Amazon Alexa or Google Assistant.

Specifications

Cooling Capacity18,000 BTU
Heating Capacity18,800 BTU
HSPF28.7
Voltage208-230 V
RefrigerantR-410A
Noise Level34.5 dBA
Coverage Area750 sq ft
Zone Capacity1 zones
Phase1
Refrigerant TypeR-410A
Liquid Line Size1/4
Suction Line Size1/2

Features

  • Installation kit included
  • Gold Fin® condenser: corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long term corrosion
  • The new 4th generation Advantage systems include our SmartHVAC WiFi Control Module with improved setup and enhanced functionality for Apple and Android smart devices. Works with Amazon Alexa. Works with Google Assistant.
  • Installation by a licensed professional required where applicable
  • 1-Year Compressor, 2-Year Parts and 1-Year Remote Warranty when registered and when installed by a licensed professional
  • R-410A environmentally friendly refrigerant
  • Sleep mode, louver position memory, and auto restart functions
  • Convenient for installation and maintenance, compact design of outdoor unit, totally enclosed, permanently lubricated condenser fan motor

Frequently Asked Questions

Everything you need to know about this product

What size room will the 4th generation Advantage series 18k-230v air handler cool?

At 18,000 BTU this unit is sized for rooms up to 750 sq ft under standard 8-ft ceilings with average insulation. Add 10–20% for sun-exposed rooms, poorly insulated spaces, or ceilings above 9 ft.

Do I need a licensed HVAC installer?

Yes — this unit is professionally-installed. The installer needs EPA 608 certification to handle R-410A, plus standard HVAC tools (vacuum pump, manifold gauges, nitrogen kit). Expect a one-day install on a single-zone system, more on multi-zone.

What electrical circuit do I need for installation?

208-230V dedicated circuit with the disconnect within sight of the outdoor unit per NEC 440.14. An electrician will size the breaker based on the minimum circuit ampacity shown on the nameplate. Budget $400–$900 for a new dedicated 240V circuit if one isn't already present.

What warranty do I get?

2-year parts warranty with registration (3-minute process at mrcool.com within 60 days of purchase). Without registration, coverage drops significantly — make registration part of your install-day checklist.

How fast does HVACZAR ship this unit?

Shipping is calculated at checkout from the order weight, and you see the exact charge before paying. In-stock SKUs leave the warehouse within 1–3 business days. Transit time is 3–7 business days via truck freight (with liftgate delivery) for outdoor units and UPS Ground for accessories. Tracking is emailed at pickup.

What if it arrives damaged or I change my mind?

Inspect the unit before signing for freight delivery. If there is visible damage, note it on the delivery receipt and refuse the shipment — we ship a replacement at no cost. Unopened and unused units can be returned within 30 days for a refund less outbound shipping.

What is the warranty on the 4th generation Advantage series 18k-230v air handler?

The 4th generation Advantage series 18k-230v air handler comes with a 1-Year Compressor, 2-Year Parts and 1-Year Remote manufacturer warranty when purchased from HVACZAR, an authorized MrCool dealer. Register your unit after purchase to activate full warranty coverage.

How long does shipping take?

Shipping is calculated at checkout from the order weight. Most MrCool systems ship within 1-3 business days and arrive in 3-7 business days via FedEx, UPS, or truck freight with liftgate delivery.

What size room does 18,000 BTU cover?

A 18,000 BTU unit is sized for rooms up to 750 sq ft. Proper sizing depends on ceiling height, insulation, climate zone, and window exposure. Use our system finder for a precise recommendation.

Do you offer returns?

Yes. HVACZAR offers a 30-day return policy on unopened, unused products in original packaging. Contact us to initiate a return and receive a return authorization number.

How can I pay?

We accept all major credit cards (Visa, Mastercard, American Express, Discover) via Stripe secure checkout. All transactions are encrypted and protected.

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Ships Nationwide — Shop by State

We deliver the 4th generation Advantage series 18k-230v air handler to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.

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