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This comparison of mrcool comfort made simple mrcool DIY select 12k vs mrcool 12k btu focuses on two distinct mini-split systems from the same brand. Both units offer heating and cooling for single-zone spaces with DIY-friendly installation. The primary difference lies in their design generation and control methods. One model emphasizes app-based inverter efficiency, while the other highlights smart home integration with voice assistants. You need to weigh coverage needs and control preferences to decide which fits your space better.
Generation
DIY Select
5th Gen
Coverage Area
500 to 1,200 square feet
Up to 550 square feet
Line Set Length
11.5 feet
25 feet
Control Method
MrCool Comfort App and remote
Smart HVAC controller with Google Assistant and Alexa
Indoor Unit Dimensions
28.4 x 19.5 x 10.6 inches
40 x 14 x 10 inches
Efficiency Ratings
17.5 SEER2 / 8.8 HSPF2
Not listed
Choose the first if
- You need a larger coverage area up to 1,200 square feet.
- You prefer precise efficiency ratings for energy planning.
- You want control via a dedicated mobile app.
Choose the second if
- You require a longer 25-foot line set for installation.
- You want voice control through Google Assistant or Alexa.
- You are setting up a smaller space under 550 square feet.
Verdict
Choose the DIY Select if you need broader coverage and specific efficiency data for your space. Pick the 5th Gen model if your installation requires a longer line set and you prefer voice-activated smart home controls.
MrCool DIY Select vs 5th Gen Specs
Coverage Area
Edge: MrCool DIY Select 12K BTU
You need to match the unit capacity to your room size for proper comfort. The MrCool DIY Select 12K BTU is rated for spaces ranging from 500 to 1,200 square feet. This broader range suggests it handles larger or more variable loads effectively. In contrast, the MrCool 12K BTU 115V 5th Gen specifies coverage up to 550 square feet. This narrower limit indicates it is optimized for smaller, specific zones. If you have a larger open area, the DIY Select offers more flexibility. For a small office or bedroom, both work, but the 5th Gen is tightly scoped.
Line Set Length
Edge: MrCool 12K BTU 115V 5th Gen
Installation flexibility depends heavily on the included line set length. The DIY Select comes with a pre-charged 11.5-foot quick-connect line set. This is suitable for standard wall mounts where the indoor and outdoor units are close. The 5th Gen model includes a significantly longer 25-foot line set. This extra length allows you to place the outdoor condenser much farther from the indoor wall unit. This is useful if you need to hide the outdoor unit or have a longer distance between mounting points. Longer lines reduce installation constraints for many home layouts.
Control Method
Edge: Tie
Smart home integration varies between these two models. The DIY Select features Wi-Fi capability and works with the MrCool Comfort App. It also includes a standard remote control for immediate in-room adjustments. This setup allows you to monitor and adjust settings remotely via the app. The 5th Gen model focuses on voice and smart controller compatibility. It includes a smart HVAC controller module that works with Google Assistant and Amazon Alexa. While it also supports app control, the emphasis on voice assistants provides a different convenience layer. Choose based on your preferred smart home ecosystem.
Indoor Unit Dimensions
Edge: MrCool 12K BTU 115V 5th Gen
Physical space on your wall matters for aesthetics and fit. The DIY Select indoor unit measures 28.4 inches in width, 19.5 inches in height, and 10.6 inches in length. It is slightly wider and taller. The 5th Gen indoor unit is 40 inches wide, 14 inches high, and 10 inches long. It is significantly wider but much flatter and shorter. If you have limited vertical space or want a sleeker profile, the 5th Gen is a better fit. If you prefer a more compact width, the DIY Select fits narrower walls better.
Energy Efficiency Ratings
Edge: MrCool DIY Select 12K BTU
Operating costs are influenced by efficiency ratings. The DIY Select lists specific SEER2 and HSPF2 numbers. It achieves 17.5 to 16.5 SEER2 for cooling and 8.8 to 8.3 HSPF2 for heating. These precise figures allow you to calculate estimated energy usage. The 5th Gen description mentions efficient performance and low energy costs but does not provide specific SEER2 or HSPF2 numbers. Without these exact metrics, it is harder to compare long-term efficiency directly. The DIY Select provides more transparent data for making an informed efficiency decision.
Choose your MrCool model now
DIYers wanting quick setup
Our pick: MrCool 12K BTU 115V 5th Gen
This 5th Gen unit includes a 25-foot pre-charged line set. The shorter indoor unit dimensions allow for flexible wall mounting in tighter spaces. You get smart voice control compatibility with major assistants for easy management without needing extra hardware.
Users needing wide coverage
Our pick: MrCool DIY Select 12K BTU
The DIY Select model covers up to 1,200 square feet, making it suitable for larger open areas. It features a 11.5-foot line set and maintains consistent temperatures via inverter technology. The included remote offers direct in-room adjustments for precise comfort.
Those preferring standard specs
Our pick: MrCool DIY Select 12K BTU
This unit offers clear efficiency ratings with 17.5 SEER2 cooling and 8.8 HSPF2 heating performance. The compact indoor dimensions fit standard walls easily. You benefit from reliable inverter compressor technology that reduces energy consumption while maintaining steady indoor temperatures throughout the day.
MrCool DIY Select 12K BTU
Best for: Single-room efficiency and remote control
- Cooling Capacity
- 12K BTU
- Coverage Area
- 500 to 1,200 sq ft
- SEER2 Rating
- 17.5
- Number of Zones
- Single zone
- Smart Compatibility
- WiFi app, remote control
- Color
- White
The MrCool DIY Select 12K is a single-zone ductless mini split designed for spaces between 500 and 1,200 square feet. It features an inverter compressor for steady temperatures and offers 17.5 SEER2 cooling efficiency. The unit includes a pre-charged 11.5-foot line set for easier setup. You can control it via the MrCool Comfort App or the included remote. It weighs 132 pounds and measures 28.4 inches wide.
- 17.5 SEER2 cooling efficiency rating
- Pre-charged 11.5-foot quick-connect line set
- Wi-Fi capable with app control
- Inverter compressor for consistent temperatures
- Heavier build at 132 pounds
- Limited to single-zone coverage only
- You need efficient cooling for a 500 to 1,200 square foot room
- You want remote monitoring via the MrCool Comfort App
- You prefer a pre-charged line set for simpler installation
- You require multi-zone climate control
- You need a lighter unit for wall mounting
- You want a higher SEER2 rating than 17.5
Verdict: MrCool DIY Select 12K BTU Mini Split suits homeowners seeking efficient, app-controlled cooling for a single room with a straightforward installation process. It fits best for those prioritizing energy efficiency and remote management over multi-room coverage.
MrCool 12K BTU 115V 5th Gen
Best for: medium rooms needing DIY 115V cooling and heating
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 550 sq ft
- Voltage
- 115V
- Smart Compatibility
- Google Assistant, Amazon Alexa
- Room
- Offices
- Operating Modes
- Heating
This 12,000 BTU mini split handles cooling and heating for spaces up to 550 square feet. It runs on 115V power and includes a 25-foot pre-charged line set for DIY setup. The white indoor unit measures 40 by 14 inches. You get smart control via a module compatible with voice assistants. It fits offices or home rooms needing year-round climate management without professional installation.
- 12,000 BTU cooling and heating capacity
- 115V standard voltage operation
- 25-foot pre-charged Quick Connect line sets
- Smart controller works with Google Assistant and Alexa
- Covers areas up to 550 square feet
- 115V model may limit power compared to higher voltage options
- 120-pound weight makes the unit bulkier to handle
- Limited to 12K capacity in this specific configuration
- You need a 12,000 BTU unit for a 550 square foot room
- You want to install the system yourself using 115V power
- You require smart voice control for your HVAC settings
- You need more than 12,000 BTUs for your space
- You prefer a 230V system for higher efficiency
- You want a unit smaller than 550 square feet coverage
Verdict: MrCool 12K BTU 115V 5th Gen DIY suits homeowners who want a self-installable 12,000 BTU system for medium rooms. It offers solid smart features and standard 115V compatibility for straightforward setup.
Specifications side by side
| Spec | MrCool DIY Select 12K BTU | MrCool 12K BTU 115V 5th Gen |
|---|---|---|
| Cooling Capacity | 12K BTU | 12,000 BTU |
| Coverage Area | 500 to 1,200 sq ft | Up to 550 sq ft |
| SEER2 Rating | 17.5 | – |
| Voltage | – | 115V |
| Number of Zones | Single zone | – |
| Smart Compatibility | WiFi app, remote control | Google Assistant, Amazon Alexa |
| Room | – | Offices |
| Operating Modes | – | Heating |
| Room Type | – | Office |
| Color | White | White |
| Operating Mode | – | Heater |
| Mounting Type | – | Wall-Mounted |
| Use | – | Home Office |
| Dimensions | 10.6 × 28.4 × 19.5 inches | 10 × 40 × 14 inches |
| Weight | 132 pounds | 120 pounds |
| Size | 12K | 5th gen |
| Model | DIYS | DIY-12-HP-WM-115D25O |
Frequently asked questions
What is the main difference between the MrCool DIY Select and the 5th Gen model?
The primary distinction lies in their physical dimensions and voltage requirements. The DIY Select measures 28.4 inches wide, while the 5th Gen unit is significantly wider at 40 inches. Additionally, the 5th Gen model is explicitly designed for 115V outlets, making it suitable for standard household circuits without specialized electrical work.
Which MrCool unit is lighter and easier to handle during installation?
The MrCool 12K BTU 115V 5th Gen is the lighter option. It weighs 120 pounds, whereas the DIY Select 12K BTU weighs 132 pounds. This 12-pound difference may make the 5th Gen slightly easier for a single person to maneuver into place during the DIY installation process.
How do the indoor unit sizes compare for wall mounting?
The DIY Select features a more compact width of 28.4 inches compared to the 5th Gen’s 40-inch width. Both units share similar height profiles, with the DIY Select at 19.5 inches and the 5th Gen at 14 inches. You should choose based on the available horizontal wall space in your room.
Is the MrCool DIY Select suitable for home office use?
The data does not explicitly list the DIY Select for office use, but it is rated for single-room efficiency. The 5th Gen model, however, is specifically described as suitable for offices and home offices. If your primary goal is cooling a dedicated workspace, the 5th Gen’s specific office rating makes it a targeted choice.
Do both models offer heating capabilities?
Yes, both units provide heating. The 5th Gen model explicitly lists Heating and Heater as operating modes. The DIY Select is also part of the same mini-split family designed for year-round comfort. You can rely on both systems to provide warmth during colder months alongside their cooling functions.
What color are these MrCool indoor units?
Both the DIY Select 12K BTU and the 12K BTU 115V 5th Gen models are white. This neutral color is standard for most indoor mini-split heads, allowing them to blend seamlessly with typical wall colors in residential or office environments without drawing visual attention.