Find the MRCOOL mini split that fits your space—and the way you want to install it.
Compare DIY Select, EasyPro, DIY 5th Gen E Star, DIY Hyper Heat, Olympus, and Advantage. Start with a quick overview, choose the application closest to yours, then explore the equipment options.
Compare the seriesBuild a DIY system
Meet the MRCOOL mini split lineup
Choose your installation approach first. DIY systems simplify refrigerant connections with compatible pre-charged line sets; Olympus and Advantage are designed for professional installation.
SINGLE-ROOM VALUE
DIY Select
For a budget-conscious single-room project, with white and black indoor-unit choices.
- Single-zone wall-mounted packages
- White and black indoor options in our collection
- A practical starting point when upfront cost matters most
SINGLE-ROOM DIY
EasyPro 5th Gen
An affordable, efficiency-focused DIY option for an individual room.
- Single-zone wall-mounted systems
- DIY connection system
- Compare running-cost priorities alongside the upfront package price
SINGLE-ZONE & MULTI-ZONE
DIY 5th Gen: E Star & Multi-Zone
Choose E Star for an individual space, or multi-zone equipment for several separate rooms.
- E Star: a single-zone path for one indoor area
- Multi-zone: separate indoor units on one matched outdoor unit
- DIY Quick Connect; compatible wall and cassette configurations
COLD-WEATHER HEATING
DIY Hyper Heat
Prioritize winter comfort with a DIY series designed for cold-weather heating.
- DIY Quick Connect installation
- Compare low-temperature heating performance for your climate
- Compatible wall-mounted and ceiling cassette options
PROFESSIONAL INSTALLATION
Olympus
For contractor-led projects with more indoor-unit choices.
- Single-zone and multi-zone equipment
- Wall, cassette, and recessed duct options
- Conventional refrigerant connections for professional installation
Advantage 5th Gen
A conventional single-zone option to price with your installer.
- Single-room ductless heating and cooling
- Professional refrigerant-side installation
- Wall-mounted comfort without a multi-zone layout
Compare the series side by side
Compare the differences that shape your project: who installs it, how many rooms it serves, and which indoor styles you can use. Exact efficiency ratings, heating output, and included accessories depend on the system you select.
Swipe the table sideways to compare all columns. Series names stay visible.
| MRCOOL series | Installation | Room setup | Indoor-unit options | Why choose it? |
|---|---|---|---|---|
| DIY Select | DIY | Single zone | Wall-mounted; white and black options | A budget-oriented starting point for one room, with a choice of indoor-unit color. |
| EasyPro 5th Gen | DIY | Single zone | Wall-mounted | An affordable single-room DIY option with an emphasis on efficiency. Choose by your running-cost priorities and complete-package price. |
| DIY 5th Gen: E Star & Multi-Zone | DIY | Single-zone E Star or multi-zone | Wall-mounted and compatible ceiling cassettes | More layout choices: condition one room or connect several indoor units to a matched multi-zone condenser. |
| DIY Hyper Heat | DIY | Single-zone systems featured here | Compatible wall-mounted units and ceiling cassettes | Designed around cold-weather heating. Compare low-temperature heating capacity when choosing primary heat. |
| Olympus | Professional | Single zone or multi-zone | Wall-mounted, cassette, and recessed duct options | The broadest indoor-style selection in this comparison, for contractor-designed layouts and concealed ducted areas. |
| Advantage 5th Gen | Professional | Single zone | Wall-mounted | A straightforward contractor-installed option for one room when you do not need multi-zone or cassette choices. |
Which system fits your space?
The room’s needs matter more than its label. Use these recommendations to narrow your options, then size the equipment for your actual conditions.
Bedrooms & home offices
For one enclosed room, compare single-zone packages sized for that room.
Compare: DIY Select, EasyPro, or E Star.
Also explore: DIY Select · EasyPro
Shop single-zone →Garages & workshops
Start with insulation, door openings, ceiling height, and how often you use the space.
Compare: single-zone DIY options; include Hyper Heat for winter heating needs.
Also explore: Single-zone options
Explore DIY systems →Cold-weather heating
Compare heating output at your winter temperature, especially when this is your only heat source.
Compare: DIY Hyper Heat against the room’s calculated heat loss.
View DIY Hyper Heat →Several separate rooms
Give each enclosed area an appropriate indoor unit rather than relying on airflow through doorways.
Compare: DIY multi-zone or contractor-installed Olympus configurations.
Also explore: Olympus multi-zone
Shop DIY multi-zone →Projects on a tighter budget
Compare the full project price, including line sets, electrical work, and installation labor.
Compare: Select and EasyPro for DIY; Advantage with an installer quote.
Also explore: EasyPro · Advantage
Shop DIY Select →Contractor-installed projects
Choose with your installer, including the indoor style, equipment match, and installation plan.
Compare: Olympus for configuration choices or Advantage for a single room.
Also explore: Advantage
Shop Olympus →DIY vs. professional installation
Want to handle more of the installation?
Explore DIY Select, EasyPro, E Star, and compatible DIY multi-zone or Hyper Heat packages.
- Pre-charged connections simplify the refrigerant-side work.
- Measure the actual line set route before selecting a package.
- Plan mounting, condensate drainage, and qualified electrical work.
Working with an HVAC installer?
Compare Olympus and Advantage with your contractor.
- Olympus offers several indoor styles in approved configurations.
- Advantage offers conventional single-zone ductless options.
- Include labor, electrical work, and materials in the installed quote.
Frequently asked questions
Which MRCOOL mini split should I choose?
For a single-room DIY project, start with Select, EasyPro, and E Star. For several rooms, explore DIY multi-zone configurations. Include DIY Hyper Heat when winter performance is a priority. If a contractor is handling the installation, compare Olympus and Advantage. Your room loads and layout determine the final model.
What is the difference between DIY Select and EasyPro?
Both are wall-mounted, single-zone DIY series. Select emphasizes budget-conscious comfort and includes white and black indoor-unit options in our collection. EasyPro emphasizes affordable efficiency for an individual room. There is no reason to assume one wins every comparison: choose the size you need, then compare its complete-package price, energy ratings, included materials, and appearance. For several separate rooms on one outdoor unit, explore DIY multi-zone instead.
What is the difference between E Star and DIY Hyper Heat?
E Star is a single-zone path within the DIY 5th Gen lineup. DIY Hyper Heat puts greater emphasis on cold-weather heating. If the system will be your primary heat source, compare its heating output at your local winter design temperature with the room’s calculated heat loss. The lowest operating temperature alone does not tell you whether it can keep your room warm.
Can I install Olympus or Advantage myself?
These are professional-install systems. They use conventional refrigerant connections and require HVAC installation procedures, rather than the DIY Quick Connect setup. Arrange a qualified installer before purchasing.
Can I mix wall-mounted units and ceiling cassettes?
Some approved multi-zone configurations support both. Indoor units, condenser, refrigerant connections, and line sets must form a manufacturer-approved combination. Shared branding alone does not establish compatibility.
Which series is best for a garage or workshop?
For occasional cooling, Select or EasyPro may be a sensible starting point. E Star and DIY Hyper Heat are also worth considering when efficiency or winter heating matters more. Insulation, ceiling height, door openings, equipment loads, and target temperature determine capacity.
How do I choose the BTU size?
Use room dimensions, ceiling height, insulation, windows, climate, and heating needs. Square footage alone is an estimate. For primary heating and final sizing, a Manual J load calculation provides a more precise basis.
Are line sets included?
Package contents vary across single-zone kits, multi-zone bundles, and component-only listings. A complete project needs matched indoor and outdoor equipment, compatible refrigerant lines and connections, controls, drainage, mounting materials, and electrical provisions. Check the listing’s included-items section before buying; “system” does not necessarily mean every installation material is supplied.
Should I choose a single-zone or multi-zone mini split?
A single-zone system pairs one outdoor unit with one indoor unit for an individual area. Multi-zone systems connect several indoor units to a shared outdoor unit, letting you set room temperatures separately. Compare both layouts for separate rooms: multiple single-zone systems can offer independent operation, while multi-zone reduces the number of outdoor units. Size each room and confirm the equipment combination before choosing.
Can one multi-zone system heat one room and cool another at the same time?
These residential MRCOOL multi-zone systems share an outdoor operating mode. Indoor units can have separate temperature settings, but they do not provide simultaneous heating in one room and cooling in another. If that flexibility matters, consider separate systems.
Does DIY installation include the electrical work?
DIY Quick Connect simplifies the refrigerant connections. The system still needs the correct electrical supply, wiring, protection, and disconnect where required. Plan that work with a qualified electrician and follow the installation manual and local requirements.
Before you order
- Size each room: account for climate, insulation, ceiling height, windows, and heating needs.
- Choose the installation path: DIY Quick Connect or a contractor-installed refrigerant system.
- Choose the indoor style: wall-mounted, ceiling cassette, or a compatible concealed ducted option.
- Confirm the equipment match: indoor units, outdoor unit, and connections must work together.
- Measure the line route: follow the actual path between units, including turns and elevation changes.
- Plan power and materials: confirm the required voltage and check what the package includes before arranging electrical work.
For several rooms, start with our DIY system configurator. For help choosing a series, contact MRCOOL HVAC Supply.
Let’s narrow it down
Send us your ZIP code, room sizes, ceiling heights, insulation and window details, and estimated line set lengths. Tell us whether this will be your primary heat source and who will install it. We’ll help you compare equipment combinations and package options.
Keep planning your project
Choose your layout
Single-zone systems for an individual area.
Two-zone systems or three-zone systems for separate rooms.
Plan the connections
Explore compatible DIY line sets after selecting equipment.
Finish exposed runs with line set covers.
Manufacturer references & series documentation
Use the current documentation for your selected equipment when confirming compatibility, ratings, and installation requirements.
