12k BTU MrCool DIY Ductless Wall Mounted Air Handler - 3rd Generation

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What's included

Combined with the DIY condenser, the 12k BTU MrCool DIY 3rd Gen Ductless Air Handler is so easy to install that you can do it yourself. As one of the only air handlers truly designed for amateur installation, it has a 12,000 BTU capacity and can heat and cool up to 500 square feet. It will work quietly to seamlessly fit into your lifestyle without noisy interruptions as it helps keep your air clean and at just the right temperature.

With a wide temperature range this air handler can handle cooling, heating, or dehumidifying your home with ease. This indoor unit has a variety of modes to fit your exact needs.

In AUTO mode, set the temperature on your thermostat for heating or cooling and the MrCool air handler will automatically operate based on your set temperature and the temperature within the room.

In SLEEP mode, the air handler will increase when cooling or decrease when heating by 2°F per hour for the first two hours. The unit will then stay at the new temperature for six hours before SLEEP mode switches off. With this mode, you can save money while you sleep!

Use the TIMER mode for optimal operation to limit your energy use and save on your electricity bill.

When this unit is in COOL, DRY, or AUTO mode, the anti-mildew function kicks in and continues to run for about 10 minutes with low airflow. This feature dries up condensation inside the air handler to prevent mildew growth. Plus, you can easily control the direction of airflow in your room using the remote to adjust the vertical louver on the unit. Your MrCool air handler will memorize your settings and return to them while it operates. If your power is interrupted with a blackout, your air conditioner will stop, but it will automatically restart and resume its previous function once power returns. No need to reset the setting on your thermostat!

Stay informed on how your split system is working with the 12k BTU MrCool DIY 3rd Gen Ductless Air Handler. If your outdoor unit leaks refrigerant, the indoor unit will display an alert on your air handler. With this feature you can be aware when your unit needs maintenance and keep maintenance costs low.

Your 12k BTU MrCool DIY 3rd Gen Ductless Air Handler can also remind you when the air filter needs cleaning, making sure the air you breathe is always fresh. After 240 hours of operation, the display on the air handler will show an alert for you to clean the filter, which is easy to remove and clean. Plus, after nearly 3,000 hours of operation, the MrCool air handler will remind you to replace the air filter so it can continue to operate efficiently.

You can also control your heat and air wirelessly with a remote control or with an app on your Apple or Android device. Order your 12k BTU MrCool DIY 3rd Gen Ductless Air Handler today!

Warranty Terms

For a full description of all warranties applicable to this product as well as individual manufacturer requirements, please review the manufacturer's consumer brochure and/or product warranty documents.  Online warranty registration must be completed within 60 days of installation.  Due to state laws, online registration is not required in California or Quebec. Call for warranty availability on scratch & dent and surplus items.

For additional warranty information, click here.

More Information
Model DIY-12-HP-WMAH-115B
UPC 810512033461
Product Height (in) 11.69
Configuration Wall Mounted
Product Length (in) 7.44
Air Flow Direction Horizontal
Product Width (in) 31.57
Blower Motor Variable Speed
Cooling Capacity 1 Ton
Electrical Phase 1-Phase
Line Set Connection Type Quick Connect
Liquid Line Size 1/4 inch
Max Overcurrent Protection 20 amps
Weight (lbs) 37.700000
Series DIY
Special Features WiFi Capable
Suction Line Size 1/2 inch
System Application Type Ductless Split Systems
Voltage 120
Warranty 5 Year Parts, 7 Year Compressor
California Residents see Prop 65 WARNING

Shipping & Delivery

Effective and efficient shipping practices are critical for an online business. That’s why we try our best to ship products within 24-36 hours of receiving your order. It’s why we have no hidden fees, send you tracking information as soon as we receive it, and work with our freight carriers to have units delivered as quickly as possible once they leave our warehouse. If you ever have any questions about shipping, call us at 1-270-575-9595. Notice that shipping outside of the continental US require an additional shipping fee.

Shipping Damage & Missing Items

Unpack and inspect ALL packages for damaged or missing items before accepting your shipment. If any damage is found, note this on the delivery receipt. Although Ingrams Water & Air Equipment is NOT responsible for shipping damage, we can assist with filing a claim against the shipping carrier to cover the cost of damages. Any damages or missing items have to be noted on the delivery receipt prior to signing for and accepting your shipment in order to file a claim. Do not let the delivery driver rush you. It is your right to inspect each and every item. If the delivery driver refuses to wait or doesn't allow you to inspect your items prior to signing, please call us immediately at 1-270-575-9595 and our claims department can offer assistance. 

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