Quick answers to questions about ordering, compatibility, and installation.
The MRCOOL 5th Generation Advantage 18K Ductless Mini Split Heat Pump (230V) delivers dependable, energy-efficient heating and cooling for larger areas up to 800 sq ft. This powerful 18,000 BTU unit now features R-454B refrigerant, which provides improved efficiency and reduced environmental impact with lower Global Warming Potential (GWP).
Ideal for master bedrooms, basements, garages, or open living spaces, this ductless mini split offers quiet operation, a sleek indoor air handler design, and advanced smart features. With built-in Wi-Fi, you can easily control the system through the SmartHVAC app on your phone or tablet—from anywhere.
18,000 BTU Heating & Cooling – Covers spaces up to 800 sq ft
230V Power Supply – High-efficiency performance for larger areas
R-454B Refrigerant – Eco-friendly, low-GWP, next-gen refrigerant
Wi-Fi Enabled – Smart remote control and scheduling via mobile app
Ultra-Quiet Operation – Designed for comfort without the noise
Affordable Power – Great choice for homeowners and remodelers
2-Year Parts Warranty
1-Year Compressor Warranty
1-Year Remote Control Warranty
Limited Lifetime Warranty available with MRCOOL® Care Program registration
⚠️ Note: This is not a DIY system and must be installed by a licensed HVAC professional to activate warranty and ensure proper operation.
Looking for a DIY system you can install yourself?
✅ Explore the MRCOOL 5th Gen DIY Mini Split Series
Condenser Specifications:
| BRAND NAME | MRCOOL |
| SERIES | Advantage 5th gen |
| MODEL | A-18-HP-C-230D-O |
| GTIN | 840255586849 |
| UPC | 840255586849 |
| UNIT TYPE | Mini-Split |
| EQUIPMENT TYPE | Condenser |
| SHORT DESCRIPTION | Advantage 5th Gen 18k BTU 230V Condenser |
| SEER2 | 19.2 |
| EER2 | 10.8 |
| HSPF2-4 | 9.6 |
| HSPF2-5 | 7.5 |
| TONNAGE | 1.5 |
| COOLING CAPACITY (BTU) | 18000 |
| HEATING CAPACITY (BTU) | 18800 |
| VOLTAGE (V) | 208-230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 20 |
| MIN CIRCUIT AMPACITY (A) | 15 |
| ZONE CAPACITY | 1 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 40.57 |
| DECIBEL RATING (DBA) | 56 |
| INVERTER | DC |
| MAX LINESET LENGTH (FT) | 98.4 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 1/2 |
| 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) | 12.99 |
| NET HEIGHT (IN) | 21.81 |
| NET WIDTH (IN) | 31.69 |
| NET WEIGHT (LBS) | 72.31 |
| GROSS DEPTH (IN) | 14.57 |
| GROSS HEIGHT (IN) | 24.21 |
| GROSS WIDTH (IN) | 36.02 |
| GROSS WEIGHT (LBS) | 78.48 |
Air Handler Specifications:
| BRAND NAME | MRCOOL |
| SERIES | Advantage 5th gen |
| MODEL | A-18-HP-WMAH-230D-O |
| GTIN | 840255586917 |
| UPC | 840255586917 |
| UNIT TYPE | Mini-Split |
| EQUIPMENT TYPE | Air Handler |
| SHORT DESCRIPTION | Advantage 5th Gen 18k BTU 230V Air Handler |
| CFM | 429.7 / 388.5 / 259.0 / 217.8 / / |
| TONNAGE | 1.5 |
| VOLTAGE (V) | 208-230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 15 |
| MIN CIRCUIT AMPACITY (A) | 3 |
| MOUNT TYPE | Wall |
| COLOR | White |
| DECIBEL RATING (DBA) | 36 |
| DECIBEL RATING LOW (DBA) | 19 |
| DECIBEL RATING HIGH (DBA) | 50.5 |
| NUMBER OF SPEEDS | 5 |
| MAX LINESET LENGTH (FT) | 98.4 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 1/2 |
| 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) | 8.46 |
| NET HEIGHT (IN) | 12.56 |
| NET WIDTH (IN) | 37.99 |
| NET WEIGHT (LBS) | 24.47 |
| GROSS DEPTH (IN) | 12.01 |
| GROSS HEIGHT (IN) | 16.14 |
| GROSS WIDTH (IN) | 41.14 |
| GROSS WEIGHT (LBS) | 32.63 |
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.
Get help with ordering, compatibility, or installation questions.
Last seen items
Authorized Service Center for the following Brands: Daikin - Goodman - MRCOOL - GWIN - Amana - Costway