MRCOOL DIY 4th Generation, 18k WMAH Wall Mount Air Handler (DIY-18-HP-WMAH-230C25)
MRCOOL DIY 4th Generation, 18k WMAH Wall Mount Air Handler (DIY-18-HP-WMAH-230C25)
Think you can’t install an HVAC system yourself? Think again. The MrCool DIY 18k WMAH Wall Mount Air Handler is designed for easy, hassle-free installation—no special tools or experience required.
This unit delivers year-round comfort while reducing energy costs. Whether you're upgrading your home, adding climate control to a new space, or replacing an outdated system, the MRCOOL DIY Mini-Split is the perfect choice for homeowners seeking convenience and performance.
Key Features:
- DIY 4th Generation 18K BTU Heat Pump Wall Mount Air Handler 230 volt with 25ft DIYPro Cable and Enhanced WiFi (Works with Alexa, Works with Google Assistant)
 - Easy DIY installation - this unit comes with a pre-charged quick connect DIY lineset that allows you to install this innovative ductless system without special tools, equipment or training. No need to hire an HVAC professional!
 - Control your unit from anywhere with your Apple or Android smart device and an internet connection
 - Industry-leading warranty: Standard 7-year compressor warranty, 5-year parts warranty; limited lifetime compressor warranty (with registration)
 
Product Specifications:
| Cooling Capacity (BTU): | 18000 | 
| Heating Capacity (BTU): | 18000 | 
| Voltage (V): | 208-230 | 
| Phase: | 1 | 
| Cycle: | 60 | 
| Mount Type: | Wall | 
| Color: | White | 
| Color Family: | White | 
| Max Coverage Area: | Up to 750 | 
| Refrigerant Type: | R-410A | 
| Decibel Rating (dBA): | 44.5/37/31 | 
| Decibel Rating Low (dBA): | 31 | 
| Decibel Rating High (dBA): | 44.5 | 
| Inverter: | Yes | 
| Max Lineset Length (ft): | 98.42 | 
| Liquid Line Size: | 1/4 | 
| Suction Line Size: | 1/2 | 
| Blower Motor RPM: | 1120/950/700 | 
| Fan Only Option: | Yes | 
| Quiet Mode: | Yes | 
| Auto Cool: | Yes | 
| WiFi Compatibility: | Yes | 
| App Compatibility: | Yes | 
| Works with iOS: | Yes | 
| Works with Android: | Yes | 
| Remote Control Included: | Yes | 
| Energy Star Certified: | Yes | 
| AHRI Certified: | Yes | 
| Registered Warranty: | Limited Lifetime Compressor | 
| Base Warranty: | 5-year Parts/7-year Compressor | 
| Base Parts Warranty: | 5-year Parts | 
| Registered Compressor Warranty: | Limited Lifetime Compressor | 
| Base Compressor Warranty: | 7-year Compressor | 
| Has Batteries: | Yes | 
| Contains Electronics: | Yes | 
| Contains Chemicals: | Yes | 
| Contains Aerosol: | Yes | 
| Contains Compressed Gas: | Yes | 
| Proposition 65 Warning: | Yes | 
| Restricted States: | GU;PR;VI | 
| Net Depth (in): | 8.90 | 
| Net Height (in): | 13.19 | 
| Net Width (in): | 42.52 | 
| Net Weight (lbs): | 34.61 | 
| Gross Depth (in): | 19.57 | 
| Gross Height (in): | 17.32 | 
| Gross Width (in): | 49.09 | 
| Gross Weight (lbs): | 56 | 
Why Choose MRCOOL DIY?
- True DIY Installation – Save thousands on labor costs.
 - Pre-Charged Quick Connect Line Set – No refrigerant handling required.
 - Energy Star Certified – Designed for maximum efficiency and cost savings.
 - Industry-Leading Warranty – Protects your investment for years to come.
 
Breathe Easy With The PureFilters Promise
PureFilters was founded with one mission - to help Canadians enjoy healthy indoor air at an affordable price. PureFilters sources its products directly from manufacturers, cutting out retailers and passing the savings on to you - our valued customer. With Purefilters you get quality products, reliable customer service, free shipping across Canada, hassle-free returns, and a 30-day money-back guarantee.
Need help with your order? We're here to help - connect with us via live chat or email us at support@purefilters.ca.
