Quick answers to questions about ordering, compatibility, and installation.
Enjoy powerful, energy-efficient comfort with the MRCOOL 5th Generation Advantage 12K Ductless Mini Split Heat Pump, designed to heat and cool spaces up to 550 sq ft. This 115V system features the new R-454B refrigerant, an environmentally conscious upgrade with lower Global Warming Potential (GWP) and improved performance.
With its sleek indoor air handler and ultra-quiet operation, the Advantage 12K is ideal for bedrooms, offices, sunrooms, and other mid-sized living spaces. Built-in Wi-Fi control allows you to manage your system from anywhere using the SmartHVAC app, giving you full control over your comfort and energy usage.
12,000 BTU Heating & Cooling – Ideal for areas up to 550 sq ft
115V Power Supply – Compatible with standard home circuits
R-454B Refrigerant – Eco-friendly and energy efficient
Built-in Wi-Fi – Remote control via SmartHVAC app
Quiet Operation – Discreet, low-noise performance
Affordable & Reliable – Perfect for homeowners seeking value
2-Year Parts Warranty
1-Year Compressor Warranty
1-Year Remote Control Warranty
Limited Lifetime Warranty available with MRCOOL® Care Program enrollment
⚠️ Important: This system is not DIY-installable and must be installed by a licensed HVAC professional to ensure full warranty coverage.
Looking for a DIY-friendly mini split?
✅ Explore our MRCOOL 5th Gen DIY Series – No HVAC License Needed
Condenser Specifications:
| BRAND NAME | MRCOOL |
| SERIES | Advantage 5th gen |
| MODEL | A-12-HP-C-115D-O |
| GTIN | 840255586818 |
| UPC | 840255586818 |
| UNIT TYPE | Mini-Split |
| EQUIPMENT TYPE | Condenser |
| SHORT DESCRIPTION | Advantage 5th Gen 12k BTU 115V Condenser |
| SEER2 | 21.2 |
| EER2 | 10.1 |
| HSPF2-4 | 8.7 |
| HSPF2-5 | 6.7 |
| TONNAGE | 1 |
| COOLING CAPACITY (BTU) | 12000 |
| HEATING CAPACITY (BTU) | 12000 |
| VOLTAGE (V) | 115 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 20 |
| MIN CIRCUIT AMPACITY (A) | 19 |
| ZONE CAPACITY | 1 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 24.34 |
| DECIBEL RATING (DBA) | 54 |
| INVERTER | DC |
| MAX LINESET LENGTH (FT) | 82 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 3/8 |
| COMPRESSOR MOTOR TYPE | ROTARY |
| OVERLOAD PROTECTION | Yes |
| APP COMPATIBILITY | Yes |
| WORKS WITH IOS | Yes |
| WORKS WITH ANDROID | Yes |
| UL LISTED | Yes |
| CSA LISTED | Yes |
| ETL LISTED | Yes |
| ENERGY STAR CERTIFIED | No |
| AHRI CERTIFIED | Yes |
| REGISTERED WARRANTY | Extended Limited Lifetime* |
| BASE PARTS WARRANTY | 1 Year |
| BASE COMPRESSOR WARRANTY | 2 Years |
| HAS BATTERIES | Yes |
| CONTAINS CHEMICALS | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| NET DEPTH (IN) | 11.93 |
| NET HEIGHT (IN) | 21.85 |
| NET WIDTH (IN) | 30.12 |
| NET WEIGHT (LBS) | 61.29 |
| GROSS DEPTH (IN) | 13.27 |
| GROSS HEIGHT (IN) | 24.02 |
| GROSS WIDTH (IN) | 34.92 |
| GROSS WEIGHT (LBS) | 67.02 |
Air Handler Specifications:
| BRAND NAME | MRCOOL |
| SERIES | Advantage 5th gen |
| MODEL | A-12-HP-WMAH-115D-O |
| GTIN | 840255586887 |
| UPC | 840255586887 |
| UNIT TYPE | Mini-Split |
| EQUIPMENT TYPE | Air Handler |
| SHORT DESCRIPTION | Advantage 5th Gen 12k BTU 115V Air Handler |
| CFM | 341.4 / 309.0 / 206.0 / 176.6 / 94.2 |
| TONNAGE | 1 |
| VOLTAGE (V) | 115 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 15 |
| MIN CIRCUIT AMPACITY (A) | 3 |
| MOUNT TYPE | Wall |
| COLOR | White |
| DECIBEL RATING (DBA) | 32.5 |
| DECIBEL RATING LOW (DBA) | 17.5 |
| DECIBEL RATING HIGH (DBA) | 45 |
| NUMBER OF SPEEDS | 5 |
| MAX LINESET LENGTH (FT) | 82 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 3/8 |
| FILTER TYPE | Reusable |
| OVERLOAD PROTECTION | Yes |
| APP COMPATIBILITY | Yes |
| WORKS WITH IOS | Yes |
| WORKS WITH ANDROID | Yes |
| REMOTE CONTROL INCLUDED | Yes |
| UL LISTED | Yes |
| CSA LISTED | Yes |
| ETL LISTED | Yes |
| AHRI CERTIFIED | Yes |
| REGISTERED WARRANTY | Extended Limited Lifetime* |
| BASE PARTS WARRANTY | 1 Year |
| BASE COMPRESSOR WARRANTY | 2 Years |
| HAS BATTERIES | Yes |
| CONTAINS CHEMICALS | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| NET DEPTH (IN) | 7.44 |
| NET HEIGHT (IN) | 11.69 |
| NET WIDTH (IN) | 31.57 |
| NET WEIGHT (LBS) | 19.4 |
| GROSS DEPTH (IN) | 11.22 |
| GROSS HEIGHT (IN) | 14.96 |
| GROSS WIDTH (IN) | 34.45 |
| GROSS WEIGHT (LBS) | 25.13 |
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
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