MRCOOL Monoblock 10K Through-Wall Heat Pump
Couldn't load pickup availability
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
| 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
Monoblock
NO OUTDOOR UNIT
115V PLUG & PLAY
MODERN PTAC ALTERNATIVE
Download installation manuals, spec sheets, and warranty documents for this system.
No documents available for this product.
No Q&A content set for this product.
No helpful articles linked for this product.
Modern Heating & Cooling Without an Outdoor Unit
Precision Comfort at Your Fingertips
MRCOOL MONOBLOCK BUYING GUIDE
Why Choose the MRCOOL Monoblock Through-Wall Heat Pump?
The MRCOOL Monoblock MTHP Series is a modern all-in-one heating and cooling solution designed for apartments, garages, workshops, offices, additions, and spaces where traditional outdoor condensers are not practical. Combining inverter technology, quiet operation, and simplified through-wall installation, the Monoblock delivers efficient year-round comfort in a sleek, compact design.
Unlike traditional PTAC systems or standard mini splits, the MRCOOL Monoblock offers a cleaner appearance, improved energy efficiency, and smart WiFi control without requiring a separate outdoor condenser.
MRCOOL Monoblock Through-Wall HVAC Buying Guide
The MRCOOL Monoblock heat pump system is designed for homeowners and property owners who need a powerful heating and cooling solution without the complexity of traditional HVAC systems. Unlike conventional mini split systems that require outdoor condensers and refrigerant line sets, the Monoblock combines all major components into one compact through-wall unit.
This makes the system ideal for apartments, garages, workshops, tiny homes, sunrooms, offices, server rooms, and spaces where outdoor equipment is restricted or undesirable. With a modern low-profile appearance and inverter-driven compressor technology, the Monoblock provides quieter and more energy-efficient performance than many traditional PTAC-style systems.
The MRCOOL Monoblock operates on standard 115V power and features advanced DC inverter technology that continuously adjusts performance based on room demand. This helps maintain more consistent indoor temperatures while reducing energy consumption and operational noise.
Built-in WiFi compatibility allows users to control the system remotely using the MRCOOL Connect App. The unit also includes heating, cooling, fan-only, and dry modes for flexible year-round comfort.
For homeowners looking for a modern PTAC alternative or a through-wall HVAC system without an outdoor condenser, the MRCOOL Monoblock delivers an efficient and streamlined comfort solution with simplified installation and reliable performance.
Frequently Asked Questions
What is the MRCOOL Monoblock system?
The MRCOOL Monoblock is an all-in-one through-wall heating and cooling system that does not require a traditional outdoor condenser. Unlike standard mini split systems, the Monoblock combines the compressor, evaporator, and major HVAC components into one compact wall mounted unit for simplified installation and modern residential comfort.
Does the MRCOOL Monoblock require an outdoor unit?
No. The MRCOOL Monoblock is designed as a true no-outdoor-unit HVAC system. All major heating and cooling components are housed inside the indoor wall mounted unit, making it ideal for apartments, garages, additions, offices, and spaces where exterior condensers are restricted or undesirable.
Is the MRCOOL Monoblock a PTAC system?
The MRCOOL Monoblock is similar to a traditional PTAC system in that it is a self-contained through-wall heating and cooling solution, but it offers several modern upgrades including DC inverter technology, quieter operation, improved energy efficiency, smart WiFi controls, and a cleaner residential appearance.
What makes the MRCOOL Monoblock different from a mini split system?
Unlike a traditional mini split system, the MRCOOL Monoblock does not require a separate outdoor condenser or refrigerant line set connections. The system uses a through-wall design with all major components integrated into one compact unit for easier installation and simplified operation.
Can the MRCOOL Monoblock heat and cool?
Yes. The MRCOOL Monoblock provides both heating and cooling for year-round comfort. The system also includes fan-only and dry/dehumidification modes for additional climate control flexibility.
What size room is the MRCOOL Monoblock designed for?
The MRCOOL Monoblock 10,000 BTU system is generally recommended for spaces around 250 to 450 square feet depending on insulation quality, ceiling height, sun exposure, and local climate conditions.
Does the MRCOOL Monoblock plug into a standard outlet?
Yes. The MRCOOL Monoblock operates on standard 115V power. However, proper through-wall installation and ventilation are still required according to the installation manual for safe and reliable operation.
Is the MRCOOL Monoblock quiet?
Yes. The Monoblock is designed for quiet residential operation with sound levels as low as 32 dBA, making it suitable for bedrooms, offices, apartments, studios, and other noise-sensitive environments.
Does the MRCOOL Monoblock use inverter technology?
Yes. The system features advanced DC inverter technology that automatically adjusts compressor speed based on room demand. This helps maintain more stable temperatures while improving efficiency and reducing operating noise compared to traditional fixed-speed systems.
Can I control the MRCOOL Monoblock with my phone?
Yes. The MRCOOL Monoblock is WiFi compatible and can be controlled remotely using the MRCOOL Connect App on compatible iOS and Android devices.
What refrigerant does the MRCOOL Monoblock use?
The MRCOOL Monoblock uses environmentally friendly R-32 refrigerant, which offers improved efficiency and lower environmental impact compared to older refrigerant technologies.
Is the MRCOOL Monoblock good for apartments and condos?
Yes. The MRCOOL Monoblock is an excellent HVAC solution for apartments, condos, studios, and multi-family properties because it does not require an outdoor condenser and offers a compact through-wall installation design.
Can the MRCOOL Monoblock replace a traditional PTAC unit?
In many applications, yes. The MRCOOL Monoblock can serve as a modern PTAC alternative by providing self-contained through-wall heating and cooling with improved efficiency, quieter performance, smart controls, and a more modern residential appearance.
Does the MRCOOL Monoblock require refrigerant charging during installation?
No traditional refrigerant charging or line set installation is required because the system is factory sealed and self-contained within the wall mounted unit.
MRCOOL Monoblock vs Traditional PTAC Systems
The MRCOOL Monoblock is a modern through-wall heat pump designed for homeowners who want the self-contained convenience of a PTAC-style system with better residential aesthetics, inverter-driven efficiency, quiet operation, and smart comfort control. Unlike a traditional hotel-style PTAC unit, the MRCOOL Monoblock delivers heating and cooling without a bulky outdoor condenser while maintaining a clean, wall-mounted appearance.
| Feature | MRCOOL Monoblock | Traditional PTAC |
|---|---|---|
| System Type | Modern through-wall heat pump with all-in-one heating and cooling | Self-contained through-wall heating and cooling unit |
| Outdoor Condenser | No outdoor condenser required | No outdoor condenser required |
| Efficiency Technology | DC inverter technology for variable-speed comfort | Often fixed-speed operation depending on model |
| Appearance | Sleek wall-mounted residential design | Bulkier hotel-style appearance |
| Smart Controls | WiFi compatible with MRCOOL Connect App control | Usually basic onboard or remote controls |
| Sound Level | Quiet operation as low as 32 dBA | Often louder during heating and cooling cycles |
| Installation Style | Through-wall intake and exhaust ports with 115V power | Wall sleeve installation, often larger wall opening |
| Best Applications | Apartments, garages, offices, sunrooms, cabins, workshops, studios, and additions | Hotels, motels, apartments, dorms, and commercial rooms |
| Comfort Performance | Inverter-driven heating and cooling with more stable room temperatures | Can cycle more noticeably depending on system design |
| Residential Fit | Designed as a modern PTAC alternative for residential comfort | Commonly associated with hotel and commercial applications |
- Choosing a selection results in a full page refresh.
- Opens in a new window.