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Shop the perfect mini-split system for a 400 sq ft space, offering efficient heating and cooling to maintain a comfortable environment year-round. Explore energy-saving options with quiet operation, easy installation, and customizable features to suit your needs.
Here are some of the best mini splits for 400 square feet on The Trade Table.
The GREE Livo Gen4 9K BTU 19.5 SEER2 Wall Mount Mini-Split Single Zone Heat Pump (model 4LIV09HP230V1AH / 4LIV09HP230V1AO) is part of Gree's 3rd generation of Livo mini-splits, designed to deliver efficient heating and cooling for small rooms. With a capacity of 9,000 BTU and a high SEER2 rating of 19.5, this unit ensures energy-efficient performance while providing comfort through multiple modes, including Heating, Cooling, Auto, Dry, and Fan. Compatible with 230V electrical systems, it offers a versatile and convenient solution for maintaining an optimal indoor environment.
The MRCOOL DIY Easy Pro® 9k BTU Ductless Mini-Split Heat Pump Complete System is designed for easy installation and can efficiently heat or cool a space of up to 350 square feet with its 20 SEER rating. This system comes with a 16-foot pre-charged line set featuring Fast Connection® fittings, making setup straightforward. It offers various features for enhanced comfort, including the Follow Me® function that adjusts the temperature based on your location in the room, and operational modes like Sleep, Auto, and Timer for customized settings. The system is easy to maintain, with washable air filters and units that only need occasional cleaning with a cloth. You can control the system using the included remote, the SmartHVAC app, or via voice commands with Amazon Alexa or Google Assistant. With a 1-year warranty on the compressor and a 2-year warranty on parts, this energy-efficient mini-split system provides reliable, convenient comfort.
What size mini split do you need for 400 square feet?
The size of the mini split is one of the most crucial factors when choosing one for a 400-square-foot space. For an area this size, a unit with around 9,000 to 12,000 BTUs should do the trick for both heating and cooling. Anything less won’t be powerful enough, while anything more will be overkill and reduce energy efficiency.
Speaking of efficiency, for a space this size you’ll want to look for a unit with an Energy Star rating of SEER 15 or higher. The higher the rating, the more energy-efficient the unit is, which will save you money in the long run. Newer inverter technology units are a great option for maximizing efficiency.
Another key consideration is the noise level of the outdoor compressor unit. If you have close neighbors, you’ll want to choose a model advertised as “quiet” or with a low decibel rating, preferably under 55 dB. Some mini-splits even have “silent” modes for nighttime. The last thing you want is an obnoxiously loud unit that bothers you or your neighbors.
Ensure you select a mini-split that has adequate heating power for your climate. If you live in colder areas look for models that can supply heat down to around -5°F. With colder temperature ratings your mini-split will keep pace and heating effectively even when it gets chilly.
In terms of energy efficiency and comfort, the right size for a 400-square-foot space mini split is well-fitted. A good starting point would be to look for one with approximately 9,000-12,000 BTUs which is generally adequate for such an area.
Also, try to find out the best place to put the air handler and condenser unit. The air handler must be positioned on an inside wall preferably on top and away from people’s reach. For the condenser, choose a location outside that is within five to ten feet of where the line set will pass through the wall into the air handler. It should also be level ground, enable good airflow, and allow enough drainage for condensation.
That small volume you have there calls for the use of Energy Star-certified mini splits with SEER ratings of at least 15. At first, this may come off as expensive but in due course it will save you money by lowering your electricity expenses. On top of that most miniature dividing units are equipped with variable speed inverters which are useful in regulating temperature efficiently in four-hundred-square-foot areas like yours.
The total installed cost for a basic 9,000 to 12,000 BTU mini-split system will typically range from $2,500 to $4,500. The unit itself may cost $1,500 to $3,000, with installation adding another $1,000 to $1,500. More complex installations, additional features like wi-fi controls or zoning systems, and higher SEER ratings will increase the total price. Get multiple bids from HVAC contractors to compare.
If your 400 square feet are divided into multiple rooms, consider a multi-zone mini-split system. This allows you to control the temperature in each room or zone separately for customized comfort and potential energy savings. A two-zone system for a space this size may add $500 to $1,000 to the total cost versus a single-zone unit. For some, the added comfort and control is worth the extra investment.
Here are some frequently asked questions about mini splits for 400 sq ft.
Yes, a mini split system is highly efficient for a 400 sq ft area. With a properly sized unit, you can achieve precise temperature control, reduce energy consumption, and minimize utility costs. Mini splits are also designed to operate quietly and offer zoned heating and cooling, which is ideal for smaller spaces.
Many mini split systems, especially DIY models like the MRCOOL DIY Easy Pro®, are designed for easy installation and can be installed by homeowners without professional help. However, it is important to follow the manufacturer's instructions carefully and ensure all electrical connections and components are properly installed to maintain efficiency and safety.
The cost to install a mini split system in a 400 sq ft room can vary widely depending on the brand, model, and whether you choose a DIY option or hire a professional installer. On average, DIY systems can cost between $500 to $2,000, while professional installation can range from $1,500 to $4,500, including labor and materials.
To ensure optimal performance, a mini split system should be maintained regularly. This includes cleaning or replacing the air filters every 1-3 months, inspecting the outdoor unit for debris, and checking the indoor unit for dust buildup. Additionally, it is advisable to have a professional service the system annually to check refrigerant levels and ensure all components are functioning correctly.
Yes, a mini split system can provide both heating and cooling for a 400 sq ft room. Most mini splits are heat pumps, meaning they can reverse their operation to either cool or heat the space as needed. This makes them a versatile solution for maintaining comfortable temperatures year-round.
Mini split systems are known for their quiet operation, making them an excellent choice for bedrooms and other small spaces. Indoor units typically operate at a noise level of 19-30 decibels, which is quieter than a normal conversation, ensuring a peaceful environment conducive to sleep and relaxation.
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View full detailsGREE Livo SEER2 Gen4 9K BTU Wall Mount Mini-Split Single Zone Air Handler The 4LIV09HP230V1AH is a 9,000 BTU variable speed air handler from Gree. ...
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View full detailsGREE Livo Gen4 9K BTU 19.5 SEER2 Wall Mount Mini-Split Single Zone Heat Pump The 4LIV09HP115V1AH / 4LIV09HP115V1AO is a 9,000 BTU single-zone mini-...
View full detailsMRCOOL DIY 4th Gen Multi-Zone 9k BTU Ceiling Cassette with 25ft DIY Pro Cable The MRCOOL® DIY® Series OuttaSight™ 9k BTU Ceiling Cassette is perfec...
View full detailsMrCool DIY Easy Pro® 9k BTU Ductless Mini-Split Heat Pump Complete System The easy-to-install MRCOOL Easy Pro® 9k BTU Ductless Mini-Split Heat Pump...
View full detailsMRCOOL DIY 4th Generation 9K BTU Heat Pump Wall Mount Air Handler 230 volt with 25ft DIYPro Cable and Enhanced WiFi (DIY-09-HP-WMAH-230C25) MRCOOL®...
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