SKU: 10813600302

MRCOOL Monoblock MTHP 10,000 BTU 115V Wall Mounted Heating & Cooling System - No Outdoor Unit - MDM10115D

Sale price$660.60 Regular price$734.00
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

MRCOOL Monoblock MTHP 10,000 BTU 115V Wall Mounted Heating & Cooling System - No Outdoor Unit - MDM10115DThe MRCOOL Monoblock MTHP 10,000 BTU 115V Heating & Cooling System is a compact, all in one wall mounted comfort solution designed for spaces where a traditional outdoor condenser is not practical. Available from MRCOOL DIY Direct, this system delivers efficient year round heating and cooling without requiring a separate outdoor unit. Unlike a conventional mini split system, the MRCOOL Monoblock keeps the major system components housed inside one

The MRCOOL® Monoblock MTHP 10,000 BTU 115V Heating & Cooling System is a compact, all-in-one wall mounted comfort solution designed for spaces where a traditional outdoor condenser is not practical. Available from MRCOOL DIY Direct, this system delivers efficient year-round heating and cooling without requiring a separate outdoor unit.

Unlike a conventional mini split system, the MRCOOL Monoblock keeps the major system components housed inside one sleek indoor wall mounted unit. That means no outdoor condenser, no traditional refrigerant line set connection, and a much simpler installation path for apartments, garages, workshops, offices, sunrooms, cabins, tiny homes, additions, studios, and other small spaces.

All-In-One Heating & Cooling With No Outdoor Condenser

The MRCOOL Monoblock MTHP is built for homeowners who need reliable climate control without the space, appearance, or installation challenges of an outdoor HVAC unit. Its true monoblock design makes it an excellent option for rooms where exterior equipment is difficult, restricted, or simply unwanted.

Efficient DC Inverter Comfort

Built with DC inverter technology, this system adjusts compressor output based on room demand instead of constantly cycling on and off. The result is smoother temperature control, quieter performance, improved efficiency, and dependable comfort throughout the year.

Smart Control With WiFi Compatibility

Integrated WiFi compatibility allows you to control the system from your smartphone using the MRCOOL Connect App. Adjust temperature settings, change modes, and manage comfort from virtually anywhere using a compatible iOS or Android device.

Ideal Applications

  • Bedrooms
  • Garages
  • Workshops
  • Home offices
  • Apartments
  • Tiny homes
  • Sunrooms
  • Cabins
  • Additions
  • Server rooms
  • Studios

Key Features

  • 10,000 BTU cooling capacity
  • 9,000 BTU heating capacity
  • No outdoor condenser required
  • 115V operation
  • DC inverter technology
  • WiFi compatible
  • Works with the MRCOOL Connect App
  • Cooling, heating, fan-only, and dry modes
  • Quiet operation as low as 32 dBA
  • Self-evaporative system
  • Reusable filter
  • LED display
  • Remote control included
  • R-32 refrigerant

Technical Specifications

Model MDM10115D
Cooling Capacity 10,000 BTU
Heating Capacity 9,000 BTU
Voltage 115V
Phase 1 Phase
Frequency 60 Hz
SEER2 15
EER2 9.9
HSPF2 7.5
Tonnage 0.83 Ton
Minimum Circuit Ampacity 13A
Maximum Fuse / Breaker 20A
Refrigerant R-32
Refrigerant Volume 19.4 oz
Sound Level 32 - 46 dBA
Color White
Dimensions 39.4" W x 23.1" H x 8.07" D
Net Weight 93.5 lbs

Warranty

  • 1-Year Replacement Warranty
  • 1-Year Parts Warranty
  • 1-Year Remote Warranty

Why Buy From MRCOOL DIY Direct?

When you order from MRCOOL DIY Direct, you are buying from a trusted MRCOOL-focused retailer that understands these systems and supports customers before and after the sale.

  • Genuine MRCOOL products
  • Fast nationwide shipping
  • Competitive pricing
  • Expert product support
  • Secure online ordering
  • Real HVAC product knowledge
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10813600302

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4.7 ★★★★★
Based on 6 reviews
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Product Reviews
J
Verified Purchase
JNL
Fort Morgan, US
★★★★★ 5
The best lower unit gear oil I have used
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
I have been boating my whole life, this is by far the best gear oil. I use this in my Johnson 115 even though this is technically made by Mercury. I seem to get less if any water intrusion into my gearcase with this oil. If there is any, the oil emulsifies the water and continues to protect the gears. I have had better luck with this than Pennzoil marine or others. Highly recommend. It is a blue color and easy to drain and fill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
D
Verified Purchase
Debra
Pawtucket, US
★★★★★ 5
Great
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great lube for the boat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Joshua Murray
Pawtucket, US
★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
C
Verified Purchase
Christopher C.
Massapequa, US
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
J
Verified Purchase
Joe H.
Charlottesville, US
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026

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