MRCOOL Monoblock 10,000 BTU Through-the-Wall Air Conditioner & Heat Pump, 115V, No Outdoor Unit, White (MDM10115D)

MRCOOLSKU: MDM10115D
47 reviews

Price:
Sale price$1,368.00 Regular price$1,779.00SAVE 23%
Out of Stock
Estimated restock: Mid October
Free Curbside Delivery — carrier calls to schedule

Description

The MRCOOL® Monoblock MTHP Series is designed to deliver reliable, energy-efficient heating and cooling for small spaces. Built for year-round comfort, this system maintains consistent indoor temperatures while helping reduce energy use and manage monthly utility costs. At its core, the Monoblock MTHP features a true all-in-one design that eliminates the need for a traditional outdoor condenser. All components are housed within a single, wall-mounted indoor unit, making it an excellent choice for installations where space is limited.

Installation is intentionally simple and DIY-friendly—no refrigerant handling or certified HVAC technician needed to save time, installation costs, and make efficient comfort more accessible. Performance and efficiency are enhanced by DC inverter technology, which allows the system to operate at variable speeds instead of frequent on-off cycling. This results in smoother temperature control, quieter operation, improved energy efficiency, and reduced component wear.

Meanwhile, a durable full metal body and housing panel ensure long-term reliability. The Monoblock MTHP uses R-32 refrigerant, a modern, lower-GWP option that reduces environmental impact without compromising performance. Operation is intuitive through a bright LED display, with optional WiFi control via the MRCOOL® Connect app.

With cooling, heating, fan, and dry modes, plus swing, silent, and timer functions, it adapts easily to changing comfort needs. A self-evaporative system with water-full alarms and auto-stop protection ensures efficient, worry-free operation. The result is a compact, modern comfort solution that delivers efficiency, durability, and quiet performance without compromise.

To ensure your investment is fully protected, we include a 1-year replacement warranty and 1-year remote warranty, providing you with both hardware security and expert technical support should any issues arise. This comprehensive coverage guarantees a seamless experience, combining simple control with the ultimate peace of mind.

Dimensions & Weight
Net Dimensions
39.4 W" x 8.07 D" x 23.1 H"
Gross Dimensions
44.1 W" x 13.19 D" x 26.19 H"
Net Weight
93.5 lbs
Gross Weight
106.7 lbs
General Information
Tonnage
0.83
Mount Type
Wall
Color
White
Capacity & Performance
Cooling Capacity
10,000 Btu/h
Heating Capacity
9,000 Btu/h
SEER2
15
EER2
9.9
HSPF2
7.5
Inverter
Yes
Oscillation
Yes
Compressor & Motors
Compressor Motor Type
Rotary
Condenser Fan Motor Type
DC
Blower Motor Type
DC
Noise Levels
Decibel Rating (Low)
32 dB(A)
Decibel Rating (High)
46 dB(A)
Electrical Requirements
Voltage
115 V
Phase
1
Cycle
60 Hz
Min Circuit Ampacity
13 A
Max Fuse (Breaker)
20 A
Refrigerant & Piping
Refrigerant Type
R-32
Refrigerant Volume
19.4 oz
Filter & Heating
Filter Type
Reusable
Auxiliary Heater Included
No
Auxiliary Heater Available
No
Controls & Connectivity
WiFi Compatibility
Yes
App Compatibility
Yes
Works with iOS
Yes
Works with Android
Yes
Remote Control Included
Yes
Fan-Only Option
Yes
Quiet Mode
Yes
Safety
Has Batteries
Yes
Contains Electronics
Yes
Contains Chemicals
Yes
Contains Compressed Gas
Yes
Proposition 65 Warning
Yes
Warranty
Base Warranty
1 Year
Base Parts Warranty
1 Year
Base Remote Warranty
1 Year
Shipping
  • Free Shipping on all orders.
  • Large Appliances: Ship via Curbside Delivery — the carrier delivers to your property but not inside your home.
  • Small Items: Ship via standard ground delivery (FedEx or similar), such as small appliances, range hoods, sinks, faucets, and accessories.
Full shipping policy
Returns
  • 30-Day Return Policy: Return requests must be submitted within 30 days of your delivery date. We cannot process returns after this period.
  • Return Requirements: Products must be unused, uninstalled, and in their original packaging (including box and pallet) to qualify.
  • Restocking Fee: A restocking fee may apply and varies by brand.
Full returns policy
Authorized MRCOOL Dealer
Full manufacturer warranty on every MRCOOL product we sell.

Customer Reviews

Based on 47 reviews
87%
(41)
11%
(5)
2%
(1)
0%
(0)
0%
(0)
J
Jim M. (Los Angeles, CA)
Easy to install and working great.

I needed to replace another unit that a previous contractor didn't do any part of that installation correctly, and the condensation line was leaking inside the house, running down the wall since that installation!! The indoor coil was 1-1/2" out of level, the line set wasn't wrapped, the electrical was tapped into the same circuit as the garage light and outlets...it was a mess.

It took me more time to demo the old unit out than to install the one I bought from you.

Thank you.

B
Bill (Philadelphia, PA)
Very pleased.

Very pleased with the price, delivery, ease of installation, and above all during this heatwave it is working excellently.

N
Natalie N. (San Jose, CA)
Perfect for our needs!

I ordered a 2 zone unit for the bedrooms in our home. It took a few months to arrive (manufacturer issue, nothing to do with HOD, and we were contacted on more than one occasion with an order update which was much appreciated!), but when it did arrive was very easy to install. Both the heat and AC function work perfectly, and our family is very happy!

R
Robert W. (Marietta, GA)
Decent Company

I ordered a HVAC system and it arrived in a timely manner and with no apparent issues. I thought the system was defective once installed but it was the installers fault who wired it wrong. My only issue would be the fee (30% I believe) to return a defective item within the 30 day return policy. If it is defective the customer shouldn't have to pay a fee to return an item that is not operating as designed. Other than that this is a good company.

P
Peter K. (Phoenix, AZ)
Pretty Easy Install and Works Great!

Installed my own central HP system. It was a bit of work but nothing beyond a person with basic mechanical and electrical skills. It took me a while because I had to remove the existing electric forced air furnace from a pretty tight place. Some custom sheet metal work and a bit of custom electrical too. Worked perfectly when powered up and I actually like the thermostat provided, although I wish it was clearer how to set up a temperature set-back schedule. Pre-charged refrigerant piping was something new and I liked that too. The best thing is that my electric utility forked out $4,000 and that paid for the unit!

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