Looking for a cooling and heating solution for your grow room or greenhouse? Depending on your grow room size and needs, these are the best mini-splits for indoor growing.
- Best Mini-Splits for Small Grow Rooms
- Best Mini-Splits for Medium-Sized Grow Rooms
- Best Mini-Splits for Large Grow Rooms
How did we decide on what makes the best mini split for grow rooms? It's fairly simple:
- Customer Reviews: Our customers provide consistent feedback on our products. These mini-splits have the most and top ratings on our site.
- Trusted Brands: The brands included here are brands that are industry leaders and are known for quality construction and offering long-term solutions.
- Industry Knowledge: We have been in the air quality industry for more than 20 years. We know our products and feel confident in our product selections.
Best For Small Grow Rooms
Senville Leto 9,000 BTU Mini-Split Heat Pump
This efficient mini-split is the perfect year-round comfort solution. Designed for extreme environments, it works in temperatures as low as 5 degrees Fahrenheit.
- Best For: Areas up to 550 square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
- 5 Stars
Pioneer 12,000 BTU 115V Mini-Split w/Heat Pump
Efficient year-round comfort is as simple as the press of a button using the Pioneer WYS12AMFI19RL. The affordable mini-split model uses up to 12,000 BTUs of cooling and heating power per hour, making it an ideal option for rooms up to 550 square feet.
- Best For: Areas up to 550 square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
MRCOOL DIY 12,000 BTU Energy Star Mini-Split Heat Pump w/ Smart Controller
Energy Star-rated, the MRCOOL DIY 12,000 BTU Mini-Split is the perfect choice for year-round comfort in small spaces. It's easy to use too, because it's Wi-Fi enabled and can be operated with your smartphone, Amazon Alexa, and Google Assistant.
- Best For: Areas up to 550 square feet
- Heat Mode: Yes
- Professional Installation Required: No
Best for Medium-Sized Grow Houses
MRCOOL DIY 24,000 BTU Energy Star Mini-Split Heat Pump w/ Smart Controller
Designed for do-it-yourself installation and with impressive efficiency ratings, these Energy Star-rated systems are great for cooling, heating, and more.
- Best For: Areas up to 1,500 square feet
- Heat Mode: Yes
- Professional Installation Required: No
- 5 Stars
Daikin 17 Series 18,000 BTU Ductless Mini-Split Heat Pump
This single-zone model offers up to 18,000 BTUs of cooling power and includes heat, fan, and dehumidifying modes, making it a quiet and powerful way to keep areas comfortable all year long.
- Best For: Areas up to 1,000 square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
- 5 Stars
Pioneer 18,000 BTU Ultra High-Efficiency Mini-Split Heat Pump
The Energy Star-rated Pioneer WYS018GMFI22RL offers up to 18,000 BTUs of power. This ultra-high efficiency mini-split offers precise temperature control, powerful cooling and heating, and more.
- Best For: Areas up to 1,000 square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
- 5 Stars
MRCOOL DIY 18,000 BTU Energy Star Mini-Split Heat Pump w/ Smart Controller
Energy Star rated, this is an ideal choice for cooling, heating, and more. Not only is it efficient and easy to install, but this Wi-Fi-enabled unit can be controlled with a smartphone or home automation device.
- Best For: Areas up to 1,000 square feet
- Heat Mode: Yes
- Professional Installation Required: No
Best for Large Grow Houses
Senville 28,000 BTU Tri-Zone Mini-Split Heat Pump
With the Senville 28,000 BTU Tri Zone Mini-Split Heat Pump, you can cool, heat, and more in up to three rooms or zones. Three individual indoor air handlers connect to a single outdoor compressor to deliver multi-zone comfort.
- Best For: Areas up to 1,200 total square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
Mitsubishi 27,000 BTU Tri-Zone Mini-Split Heat Pump
Designed as a 6k + 6k + 15k setup, it features 3 indoor air handlers, each connecting to the outdoor condenser and allowing for customized temperature control in each room.
- Best For: Areas up to 1,400 total square feet
- Heat Mode: Yes
- Professional Installation Required: Yes
Still not sure which mini-split is best for your grow room? Contact one of our product experts at 1-800-934-9194.
