Mini split systems with heating offer year-round climate control for rooms, garages, and small commercial spaces. Below is a concise comparison of five ductless units selected for heating capability, efficiency, and smart features.
| Product | BTU | SEER2 / Voltage | Coverage |
|---|---|---|---|
| COSTWAY 12000BTU Mini Split | 12,000 | 20 SEER2 / 115V | Up To 750 Sq. Ft. |
| DELLA Serena 12000 BTU | 12,000 | 22 SEER2 / 115V | Up To 550 Sq. Ft. |
| YITAHOME 12000 BTU | 12,000 | 20 SEER2 / 115V | Up To 750 Sq. Ft. |
| MRCOOL 18000 BTU Easy Pro | 18,000 | — / 230V | Up To 800 Sq. Ft. |
| GarveeHome 9000 BTU | 9,000 | 24 SEER2 / 208/230V | Up To 450 Sq. Ft. |
DELLA Serena 12000 BTU Mini Split
This DELLA unit is a 1-ton inverter mini split with heating and cooling, AHRI certified and UL/ETL listed. The manufacturer lists a 22 SEER2 rating and operation on 115V circuits. It supports WiFi and voice control via Alexa/Google Home and includes a proprietary app with geo-location features for automation.
Key functions include 4D airflow (up-down/left-right), multiple fan speeds, sleep and eco modes, turbo function, and a 24-hour timer. The product description highlights quiet operation (23 dBa in mute mode) and maintenance via reusable filters. The listed coverage is up to 550 sq. ft., positioning it for bedrooms, living rooms, or small offices.
YITAHOME 12000 BTU Mini Split
The YITAHOME 12000 BTU ductless system is listed as ETL and AHRI certified, operating at 115V with inverter technology. The manufacturer claims approximately 25% energy savings from the inverter design and coverage up to 750 sq. ft.
Features stated include five operating modes (auto/cool/dry/heat/fan), WiFi and Alexa compatibility, automatic defrost, self-cleaning, and iFEEL mode. The product description also notes a HEALTH mode for negative ions, electrostatic dust removal and PM2.5 filtration, and quiet operation below 41 dB. The remote control provides temperature control between 60°F and 90°F.
COSTWAY 12000BTU Mini Split
COSTWAY’s 12000 BTU unit is presented as an AHRI certified, pre-charged heat pump with inverter technology. The listing emphasizes the energy-efficient compressor and an ability to cool or heat rooms up to 750 sq. ft.
Operational modes include auto, cool, dry, heat, and fan, with four fan speeds, sleep and ECO modes, iFEEL and turbo functions. The remote includes a 0.5–24 hour timer and an auto-dimming display. Low-noise operation and inverter-driven compressor cycling are noted as energy-saving and lifespan extending features.
MRCOOL 18000 BTU Easy Pro Series
MRCOOL’s Easy Pro Series is listed as an 18,000 BTU ductless inverter system for cooling and heating, covering up to 800 sq. ft. It operates on 230V and is described as a 5th generation DIY-friendly mini split.
The product description highlights combined heating and cooling capacity suitable for larger rooms or small open-plan areas. The Easy Pro series emphasizes installer-friendly features and all-season operation. The listing positions the unit for home, office, or light commercial use with year-round HVAC functionality.
GarveeHome 9000 BTU Mini Split
GarveeHome’s 9000 BTU ductless unit is listed as AHRI certified with a modern R454B refrigerant and inverter technology. The SEER2 rating shown in the features is 24 SEER2, with coverage up to 450 sq. ft., and operation on 208/230V systems.
Included features are five modes (auto/cool/dry/heat/fan), WiFi and Alexa compatibility, automatic defrosting, self-diagnosis and cleaning, and iFEEL mode. The remote control and low-noise operation are highlighted for bedroom or small living space applications.
Buying Guide: How To Choose A Mini Split AC With Heater
Selecting a mini split with heating involves matching system capacity, efficiency, installation constraints, and control features to the space and usage patterns. The sections below outline the primary factors to evaluate.
1. Sizing And BTU Capacity
Correct sizing is essential for efficient heating and cooling. BTU ratings correspond to coverage area in ideal conditions, but factors such as ceiling height, insulation, window area, sun exposure, and climate affect real needs.
General guidance: 9,000 BTU units often serve single bedrooms or small offices (roughly 300–500 sq. ft.), 12,000 BTU suits medium rooms or open layouts (about 400–750 sq. ft.), and 18,000–24,000 BTU units cover larger living areas or multiple adjacent rooms. When in doubt, consult a qualified HVAC professional for a Manual J load calculation.
2. Heating Performance And Heat Pump Range
Most modern mini splits use a heat pump for heating. Check the operating temperature range specified by the manufacturer; some systems maintain heating at much lower outdoor temperatures than others.
For cold climates, look for models rated to operate efficiently at low ambient temperatures or that include a low‑ambient heating kit. Automatic defrost and reliable low‑temperature performance maintain heating output in freezing conditions.
3. Efficiency Ratings (SEER2 And HSPF)
SEER2indicates cooling efficiency; higher numbers mean lower electrical consumption for the same cooling output. For heating efficiency, check the HSPF or manufacturer heating performance notes.
High SEER2 units (20+ listed in some products above) can deliver tangible energy savings over seasonally typical use, especially when paired with proper zoning and programmable controls.
4. Voltage And Electrical Requirements
Mini splits commonly require 115V/120V or 208/230V circuits. Confirm the unit voltage matches available electrical service. Higher-capacity units typically require 230V; installing a 230V circuit may involve additional electrician work.
5. Installation Considerations
Installation for ductless systems involves mounting the indoor unit, placing the outdoor condenser, and routing a line set through a wall or sleeve. Some manufacturers provide pre-charged systems and DIY-friendly kits; others recommend professional installation.
Pre-charged condensers simplify refrigerant handling, but local code and warranty terms may still require professional installation. Consider clearance, condensate drainage, and outdoor unit placement for noise and airflow.
6. Controls, Connectivity And Smart Features
Built-in WiFi, app control, and voice assistant compatibility make remote monitoring and scheduling easier. Geo-fencing and programmable timers can reduce energy use by syncing operation with occupancy.
Evaluate whether you need advanced features like iFEEL (localized temperature sensing), multi-zone capability, or integration with home automation platforms.
7. Noise Levels And Indoor Comfort
Manufacturers often list decibel ratings for indoor fan noise. If the unit is for a bedroom or study, prioritize models with lower dB ratings and quiet sleep modes.
Airflow patterns, 4D venting, and swing control affect perceived comfort; units with adjustable louvers and multiple fan speeds let you direct airflow to avoid drafts.
8. Filtration And Air Quality Features
Some models include PM2.5 filtration, negative ion modes, or washable anti-dust filters. If indoor air quality is a priority, select units that offer the desired filtration and plan for routine cleaning or filter replacement.
9. Warranty, Certification, And Service
Look for AHRI certificationand UL/ETL listings as indicators of tested performance and electrical safety. Review the warranty terms on the compressor, parts, and labor, and check local service availability for repairs and maintenance.
10. Comparative Perspectives
If energy efficiency is the top priority, compare SEER2 and HSPF values and choose higher-rated models. For smart-home integration and remote automation, prioritize units with proven WiFi apps and voice assistant support.
For limited budgets or DIY installation, pre-charged systems designed for easier installation reduce upfront labor costs. For cold climates, prioritize models with reliable low-ambient heating and defrost routines.
By comparing capacity, efficiency, electrical requirements, noise, and control options, you can narrow choices to the mini split that best matches room size, climate, and usage patterns. Professional sizing and installer consultation are recommended for accurate system selection and long-term performance.