Most ductless mini split systems are installed by a professional because the refrigerant line must be cut and then charged. It is possible to install the air handler and condenser unit on your own and bring in a professional to complete the refrigerant line setup.
The average cost for ductless mini split air conditioning installation costs between $1,700 to $8,500. To heat or cool an average living room alone with a square footage of 350 square feet, a 12,000 BTU ductless AC unit with a 21 SEER rating would end up costing around $3,500 for the unit + installation costs.
Ductless mini split systems are not exclusively outdoors, nor are they exclusively indoors, either. As part of a system, the compressor of the mini split goes outside. … As your mini split installation team sets up the indoor units, there’s no need to attach nor vent the mini splits through any exterior walls.
It may be able to change the direction it operates so it can provide heat to a home as well as cooling, but the configuration of parts and how they integrate with the house exterior and interior are identical. So no, you can’t install your own heat pump.
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.
Generally, the cost to install a ductless heat pump is between $3000 to $5000. Several factors affect the cost of ductless heat pump installation, including: The model and efficiency of the ductless heat pump unit you select. Higher efficiency models typically cost more than lower-rated units.
If you are thinking about having a mini split heating system installed in your home, the big question you’ll want to know is, “Can a mini split heat a whole house?” These systems are often used as supplemental heating, but they are also capable of heating a whole house.
Offering higher efficiency ratings than boiler-based systems, ductless heat pumps cost less to operate by maximizing the amount of heat generated from the energy consumed, so a ductless mini-split is not only an energy efficient air conditioner, it’s also one of the most effective and energy efficient heaters out there …
Central units are within the range of 3000-3500 watts per hour while mini-split units can run at about 2,000 watts per hour at peak cooling. If you don’t need much cooling capacity, you’ll benefit from a mini-split air conditioner, which will be much cheaper to run.
Both can be used to cool a single room without ductwork. But a mini-split can add more evaporator units (up to 4) to one condenser unit. So technically it can cool up to 4 rooms. Mini-splits are also much more energy efficient than window units and last longer, too.
|Mini Split AC Unit (BTU)||Wattage||Cost Per Hour|
|18,000 BTU Mini Split AC||5,725 W||Costs $0.74 per hour|
|21,000 BTU Mini Split AC||6,154 W||Costs $0.80 per hour|
|23,000 BTU Mini Split AC||6,740 W||Costs $0.88 per hour|
|24,000 BTU Mini Split AC||7,033 W||Costs $0.91 per hour|
If you only install a mini-split air-source heat pump, you won’t need to upgrade to a 200 Amp service. You may need to upgrade to a 200 Amp service if you plan to install more than one unit.
In the United States, ductless mini split systems come in either 110V or 220V. The voltage will depend on the model type and manufacturer. Typically 9k btu and 12k btu units are 110V. All 18k btu and greater models require 220V.
|Gauge Size||Amps||Example Uses|
|14 Gauge||15 Amps||Lamps / Lights|
|12 Gauge||20 Amps||Outlets / Some Mini Splits|
Typically, the best location for a heat pump condenser is a shady area, away from direct sunlight. The condenser also needs to be installed directly on the side of or behind the home, away from any shrubbery or vegetation (which could interfere with airflow.)
Tips for Positioning a Ductless Mini-Split
Any indoor unit installed in a room should be located where air can be distributed throughout the room equally. … For aesthetics’ sake, any indoor unit installed above a window should also share symmetry with said window.
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.
The time it takes to install a Heat Pump can be as short as 3 to 4 hours for a very simple back to back installation (e.g. indoor and outdoor units located on either side of the same wall and effectively back to back). It can be up to an entire day for larger, more complicated installations.
Install the unit in an open space where there’s always fresh air. Don’t install outdoor units in closed areas like garages or attics. Your heat pump will run out of the air to draw heat from, freezing, or heating up that closed space and reduce the comfort level significantly.
|Space Capacity||BTU Level|
|750 square feet||18,000 BTU|
|1000 square feet||24,000 BTU|
|1250 square feet||30,000 BTU|
|1500 square feet||36,000 BTU|
The general rule-of-thumb is that you’ll need a separate indoor unit for every room you need cooled. You see, ductless mini split air conditioners don’t use ductwork.
|400 to 650 sq. ft.||12,000|
|500 to 800 sq. ft.||15,000|
|600 to 1000 sq. ft.||18,000|
|800 to 1,300 sq. ft.||24,000|
Ductless mini-splits – Like heat pumps, ductless mini-splits can provide both heating and cooling, with a typical life span of 10 to 30 years, except in coastal areas.
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