4th generation Advantage series 12k-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 12,000 BTU systems.
SKU A-12-HP-WMAH-230C
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.
Sizing Help
Not sure if 12K BTU is right for your space?
Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.
Resources
Brochures & Manuals
Description
4th generation Advantage series 12k-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
Key Specifications
12000BTU
Cooling Capacity
500sq ft
Coverage Area
208-230V
Voltage
30dBA
Noise Level
1
Zone Capacity
4th generation Advantage series 12k-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 — 12,000 BTU
The 4th generation Advantage series 12k-230v air handler delivers 12,000 BTU of cooling and heating capacity, sized for spaces up to 500 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit is ideal for bedrooms, home offices, sunrooms, and single-room additions up to the stated square footage. Rooms with one exterior wall and average shading sit comfortably in the middle 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 22.5 dB(A) on low to 37 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
This new 4th generation Advantage series has an improved SEER efficiency rating up to 20.5. It immediately provides high performance comfort upon installation by an HVAC professional and features a competitive price point. This quality combination of condenser and air handler provides a quiet operation, affordability, quality, and efficiency. The condenser uses the environmentally friendly and chlorine-free R-410A refrigerant. This is an excellent choice for you if you’re looking for high quality comfort and technology, as this system is WiFi enabled. This speeds up the setup process, improves functionality, and works with the SmartHVAC app, your Amazon Alexa, or Google Assistant.
Specifications
| Cooling Capacity | 12,000 BTU |
| Heating Capacity | 12,000 BTU |
| HSPF2 | 9.1 |
| Voltage | 208-230 V |
| Refrigerant | R-410A |
| Noise Level | 30 dBA |
| Coverage Area | 500 sq ft |
| Zone Capacity | 1 zones |
| Phase | 1 |
| Refrigerant Type | R-410A |
| Liquid Line Size | 1/4 |
| Suction Line Size | 1/2 |
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 12k-230v air handler cool?
Do I need a licensed HVAC installer?
What electrical circuit do I need for installation?
What warranty do I get?
How fast does HVACZAR ship this unit?
What if it arrives damaged or I change my mind?
What is the warranty on the 4th generation Advantage series 12k-230v air handler?
How long does shipping take?
What size room does 12,000 BTU cover?
Do you offer returns?
How can I pay?
Related Products
Ships Nationwide — Shop by State
We deliver the 4th generation Advantage series 12k-230v air handler to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.






