Home Improvement

How do you install a mini split unit?

Can you install a mini split yourself?

Mini split systems are easy to install and are perfect for DIYers. You’ll save money by not hiring a contractor and you can complete the installation on your own timetable. Ductless mini split systems are easier to install than other air conditioning systems.

Do mini splits have to be on an outside wall?

The indoor units do not need to vent through an exterior wall, so ductless splits are a good option to cool rooms with no windows and no exterior walls. A ductless split system also provides more temperature control because each indoor unit can be set independently from the other units.

How hard is it to install a mini split AC?

Generally speaking, it’s much easier to install a ductless mini split air conditioner compared to the process of installing a standard AC system. Not only do you not need to add duct work, but the hook up between the exterior and interior units requires nothing more than a three-inch hole through your wall.

How far should a mini split be from the house?

The condensing unit needs both overhead room and some space on the sides. On the day your ductless mini split system is installed, the technician should set up the condenser so it has 20 or more inches of overhead clearance. From the wall of your home to the condensing unit, there should be five inches if not more.

How long does it take to install mini split?

But for those skilled professionals, installing a ductless mini split is usually a fast job that will go without complications. The average installation job takes one or two days. The actual length depends on the size of the system, in particular how many indoor air handlers need to be mounted inside the home.

How long do mini splits last?

about 20 years

When adequately maintained, it’s estimated that most mini split ductless air conditioners last for about 20 years. This is far beyond the 12 to 15 years that most conventional systems last, so it’s fairly safe to assume that your mini split system will last longer than most other options.

Where is the best place to put a mini split?

Tips for Positioning a Ductless Mini-Split



Units installed in the bedroom should be placed directly above the bed or on the wall above your feet to ensure maximum comfort. Wall-mounted indoor units must be installed in a way that allows for easy access to the air filter and louvers.

How far can a mini split be from the condenser?

The standard length of mini split lines is 25 feet. Why is that? That’s the anticipated distance between the outdoor condenser and the nearest indoor air-handling unit. In some cases, the space from one unit to another may be slightly shorter at 15 feet, so you’d need a line that’s about as long.

Can I run mini split lines inside?

Mini split refrigerant lines can be run in walls. It is a common practice to hide the refrigerant pipes of mini splits in dry walls for aesthetic purposes. Apart from being more difficult to repair, concealing the refrigerant lines in walls have no impact on the performance of the mini splits.

How much wall space does a mini split need?

Recommended Indoor Unit Space Clearance (Important) I recommend that you put the mini split indoor unit at 7-8 ft (2.1-2.4m) above the floor. For the space between the indoor unit and the ceiling, I recommend 8″ (200mm). In addition, you should have 8″ (200mm) of clear space below the indoor unit.

Does a heat pump have to be installed on an outside wall?

Wall mounted heat pumps work especially well if you have one or more rooms that do not have exterior walls or window. The heat pump is extremely quiet and only requires two inches of clearance from the ceiling, allowing you plenty of placement options.

How do you hide a mini split?

Clever Ways To Hide a Ductless Mini Split System

  1. Tuck It Into a Recessed Wall. One way to make a mini split system less noticeable in your home is to tuck it into a recessed wall. …
  2. Build a Bookcase, Entertainment Console, or Cabinet Around It. …
  3. Hide It in the Ceiling.


Can you install a mini split above a door?

Avoid installing the unit in a location that receives direct sunlight, and make sure to install the unit away from any doors. Every mini split has its own clearance requirements. Some can be mounted almost flush with the ceiling while others need to be mounted a foot or more down.

Who makes the best ductless mini split system?

  • BEST OVERALL: Senville SENL-24CD Mini Split Air Conditioner Heat.
  • BEST BANG FOR THE BUCK: Della 12000 BTU Mini Split Air Conditioner.
  • BEST FOR LARGE SPACES: Pioneer Diamante Ductless Mini-Split Air Conditioner.
  • BEST FOR SMALL SPACES: Cooper & Hunter 9,000 BTU Ductless AC/Heating System.
  • How many heads can you put on a mini split?

    Residential mini-splits generally go up to five heads. The more heads you have in a system, the more complicated it becomes to properly install, service, and maintain the system.

    Do you need a mini split head in every room?

    Do I Need a Ductless Unit in Every Room of the House? No. While you won’t need a single indoor unit for every room in the home, the outdoor unit does attach to multiple indoor wall-mounted units. In most homes, this typically means having indoor units in main living areas.

    Do mini splits use a lot of electricity?

    Mini-splits typically consume far less electricity than central AC and heating systems, making them an energy-efficient alternative. Most of them consume about 600 watts per hour. However, energy consumption varies depending on use, temperature settings, and the unit condition.

    How big of a house can a mini split cool?

    One of the most often installed sizes is a 12,000 BTU mini-split. This will heat and cool approximately 450–550 square feet, or about the size of a studio apartment.

    How many mini splits do I need for 1500 square feet?

    BTU Sizing Chart for Mini Split Systems

    Area To Be Cooled Capacity Needed (BTUs Per Hour)
    700 to 1,000 square feet 18,000 BTUs
    1,000 to 1,200 square feet 21,000 BTUs
    1,200 to 1,400 square feet 23,000 BTUs
    Up to 1,500 square feet 24,000 BTUs

    How many mini splits do I need for a 1500 square foot house?

    2.5 12,000 BTU

    For a 1,500 sq ft house, you would need 2.5 12,000 BTU mini splits. In these cases, it’s always better to round up the number. Namely, for a 1,500 sq ft you would need 3 12,000 BTY mini splits. You could also use 2 12,000 BTU units and 1 9,000 BTU unit.

    How much does it cost to run a mini split per month?

    $30 to $150 per month

    Mini-split AC systems cost $0.15 to $0.50 per hour or $30 to $150 per month to run. The operating cost depends on the units’ size in BTU’s, SEER rating, climate, insulation, and electricity rates. Mini-splits with a higher SEER rating are more efficient and cost less to run.

    Are mini splits good for heating?

    Mini-split systems are great for both heating and cooling your home. A mini-split system with a heat pump will ensure you and your loved ones are warm all winter long. With granular temperature control, you can set each room to your exact specifications to ensure you are always as cozy as possible.

    Do mini splits heat?

    Can Ductless Mini-Split Units Provide Heating and Cooling? The simple answer is yes, they can provide both heating and cooling.

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