Choosing a ductless mini split that both cools and heats can improve year-round comfort while saving energy. Below is a quick comparison of five well-reviewed ductless systems that combine air conditioning and heat pump heating for homes, garages, or offices.
| Model | BTU / Coverage | Notable Features |
|---|---|---|
| COSTWAY 12000 BTU Mini Split | 12000 BTU / ~750 Sq. Ft. | Inverter, AHRI certified, 5 modes |
| YITAHOME 12000 BTU Mini Split | 12000 BTU / ~750 Sq. Ft. | WiFi & Alexa, ETL/AHRI, 5 modes |
| Goodman 18000 BTU Mini Split | 18000 BTU / ~1000 Sq. Ft. | Higher Capacity, 18 SEER2, inverter heat pump |
| MRCOOL 9000 BTU Easy Pro | 9000 BTU / ~400 Sq. Ft. | DIY-Friendly, 5th generation inverter tech |
| ROVSUN 11500 BTU Mini Split | 11500 BTU / ~550–700 Sq. Ft. | WiFi, 17 SEER2, pre-charged condenser |
Content Navigation
- COSTWAY 12000BTU Mini Split Air Conditioner & Heater
- YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump
- Goodman Mini Split 18,000 BTU 18 SEER2 Inverter System
- MRCOOL 9000 BTU 115V Ductless Inverter Mini Split Easy Pro
- ROVSUN 11500 BTU Wifi Enabled Mini Split Air Conditioner & Heater
- Buying Guide: How To Choose A Ductless Air Conditioner With Heater
- 1. Determine Proper Capacity (BTU) For Your Space
- 2. Check Efficiency Ratings
- 3. Heating Range And Cold-Climate Performance
- 4. Installation Requirements And Kit Availability
- 5. Noise Levels And Indoor Comfort
- 6. Smart Controls And Air Quality Features
- 7. Certifications And Performance Verification
- 8. Long-Term Maintenance And Warranty
- 9. Compare Based On Use Case
- 10. Energy Cost And Lifecycle Considerations
COSTWAY 12000BTU Mini Split Air Conditioner & Heater
The COSTWAY 12000 BTU mini split is a wall-mounted ductless system designed for cooling and heating spaces up to about 750 sq ft. Its AHRI certification indicates verified performance for capacity and efficiency.
Key features include an inverter compressor and a 1-ton heat pump that reduces frequent on/off cycling to improve energy use and longevity. Operational modes include auto, cool, dry, heat and fan, plus 4 fan speeds, sleep and ECO modes, and a turbo function for rapid temperature changes.
Controls are via a handheld remote with a 0.5–24 hour timer and automatic display shutoff to limit disturbance. COSTWAY advertises quiet operation and comprehensive mode selection for year-round comfort.
YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump
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The YITAHOME 12000 BTU system pairs a heat pump with inverter technology, claiming roughly 25% energy savings versus non-inverter units. It is ETL and AHRI certified and intended for spaces up to 750 sq ft.
Operational flexibility includes five modes (auto/cool/dry/heat/fan), wifi enablement and Alexa compatibility, automatic defrost, self-cleaning and iFEEL temperature sensing. The unit emphasizes air quality with a “HEALTH” mode that includes negative ions and PM2.5 reduction functions.
YITAHOME also highlights quiet performance (below 41 dB) and remote control temperature range from 60°F to 90°F. These attributes make it suited for bedrooms and living spaces where noise and remote connectivity matter.
Goodman Mini Split 18,000 BTU 18 SEER2 Inverter System
The Goodman 18000 BTU mini split is a higher-capacity option intended for larger spaces up to about 1000 sq ft. With an 18 SEER2 rating, it focuses on reducing energy consumption while delivering strong cooling and heating performance.
It uses heat pump technology to transfer heat between indoor and outdoor sections and includes inverter-driven operation for efficiency. Mode features include inverter powerful operation, ECO+ function, and sleep mode.
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This model targets users who need greater capacity without sacrificing efficiency, particularly in larger rooms, open-plan areas, or applications where a single head must cover more square footage.
MRCOOL 9000 BTU 115V Ductless Inverter Mini Split Easy Pro
The MRCOOL Easy Pro 9000 BTU is positioned as a DIY-friendly ductless system using 5th generation inverter technology. It provides both cooling and heating for smaller spaces up to around 400 sq ft.
Its compact capacity and DIY focus suit bedrooms, offices, or small additions where professional installation is impractical or costly. The unit’s heat pump capability provides year-round climate control, and MRCOOL emphasizes simplified setup and compatibility with residential needs.
This model may be selected when space and installation flexibility are primary considerations, while still delivering inverter efficiency and standard mini split features like multiple modes and quiet operation.
ROVSUN 11500 BTU Wifi Enabled Mini Split Air Conditioner & Heater
The ROVSUN 11500 BTU mini split is a mid-range capacity unit offering WiFi control, voice assistant compatibility, and a 17 SEER2 efficiency rating. It includes a pre-charged condenser and installation kit for expedited setup.
Features cover standard mini split functionality: auto-defrosting, self-diagnosis, timers, wind swing, sleep and ECO modes. ROVSUN highlights energy savings via inverter control and remote app/voice integration to manage schedules and scenes.
This model is relevant for homeowners who want smart control, verified SEER2 efficiency, and a balance of capacity and features for typical rooms or open spaces.
Buying Guide: How To Choose A Ductless Air Conditioner With Heater
Selecting the right ductless mini split involves evaluating capacity, efficiency, installation, and features. The following considerations aim to provide objective guidance across multiple comparison angles.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
Always research current rebates and incentives — they can significantly reduce your overall cost. - Compare Multiple Quotes
Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.
1. Determine Proper Capacity (BTU) For Your Space
- Match BTU To Square Footage: Typical guidance: 9000 BTU covers ~300–450 sq ft, 12000 BTU ~450–800 sq ft, 18000 BTU ~800–1,200 sq ft, but insulation, ceiling height, and sun exposure change needs.
- Oversizing vs Undersizing: Oversized units can cause short-cycling and humidity issues. Undersized units run continuously and may not reach setpoints.
2. Check Efficiency Ratings
- SEER2 / HSPF2 Ratings: Higher SEER2 and HSPF2 numbers indicate better cooling and heating efficiency respectively. This impacts operating costs.
- Inverter Technology: Inverter-driven compressors modulate speed for steadier temperatures and lower energy use than non-inverter units.
3. Heating Range And Cold-Climate Performance
- Heat Pump Operating Range: Verify the minimum outdoor temperature at which the heat pump can operate effectively, especially in colder climates.
- Defrost And Auxiliary Heat: Units with automatic defrost and auxiliary heat strategies maintain heating capacity in low temperatures.
4. Installation Requirements And Kit Availability
- Pre-Charged Condensers: Pre-charged outdoor units and included installation kits lower installation complexity and may enable DIY installation on select models.
- Electrical Requirements: Check voltage (115V vs 230V) and breaker sizing. Higher capacity units often require 230V circuits.
5. Noise Levels And Indoor Comfort
- Decibel Ratings: Look for indoor unit noise levels for quiet spaces. Many models highlight sleep or mute modes for nighttime use.
- Air Distribution: Modes such as swing, multiple fan speeds, and turbo can affect perceived comfort and airflow patterns.
6. Smart Controls And Air Quality Features
- WiFi And Voice Control: WiFi-enabled units allow scheduling, remote temperature changes, and voice assistant integration for convenience and energy optimization.
- Filtration & Health Modes: Some units offer PM2.5 capture, negative ions or electrostatic dust removal, which can help indoor air quality but vary by product.
7. Certifications And Performance Verification
- AHRI / ETL / ENERGY STAR: AHRI or ETL listings and ENERGY STAR certification provide third-party verification of capacity and safety.
- Manufacturer Specs vs Real Conditions: Manufacturer-rated coverage is a guideline. Adjust capacity for climate, orientation, occupancy, and insulation quality.
8. Long-Term Maintenance And Warranty
- Filter Access & Cleaning: Check how filters are accessed and whether the unit supports washable or replaceable filters.
- Warranty Terms: Warranty coverage for compressor, parts, and labor differs across brands. Confirm coverage before purchase.
9. Compare Based On Use Case
- Small Bedrooms / Offices: 9000 BTU units (like MRCOOL 9000) offer compact, quiet performance and potential DIY install.
- Medium Living Areas: 12000 BTU units (COSTWAY, YITAHOME) balance capacity with efficiency and smart features for many rooms.
- Large Rooms / Open Plans: 18000 BTU systems (Goodman) provide higher output for larger spaces while retaining inverter efficiency.
10. Energy Cost And Lifecycle Considerations
- Initial Efficiency vs Operating Cost: Higher SEER2 units may cost more upfront but reduce monthly energy usage.
- Durability And Serviceability: Consider brand reputation for parts availability and local service networks for longer equipment life.