Can I Put A Mini Split on Interior Wall? A Detailed Guide

Have you ever wished that your home had ducts so you could get cool relief? Don’t worry. Mini split on interior walls can be your saving grace. It offers targeted air conditioning comfort without the need for extensive ductwork installation. These versatile systems are perfect for tackling hot spots in your home.

So, if you’re ready to ditch the window units and embrace the comfort of cooling, let’s explore why mini-split on interior wall might be the perfect solution for your home. First, let’s discuss the perks of these systems and why they’re worth considering.

Why Mini-Split on Interior Wall Beneficial?

Mini splits on interior walls are more than just cool air heroes. There are a number of reasons why they are such an attractive option:

1. Energy Champions

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Imagine installing mini-split on interior wall, leaving the windows closed, and enjoying cool comfort without feeling guilty about your electricity bill. Mini-splits are champions of energy efficiency, using significantly less energy than traditional central air systems.

This translates to real savings on your utility bills, so you can stay cool and comfortable without breaking the bank. Think of it like switching from a gas-guzzling SUV to a fuel-efficient hybrid car – good for your wallet and the environment!

2. Location Flexibility

Mini Split on Interior Wall

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Unlike central air systems that rely on a network of ducts, installing mini-split on interior wall is ideal for rooms that lack duct access, such as sunrooms, finished basements, or even converted garages. No more wrestling with bulky and inefficient window units – mini-splits offer a streamlined and elegant solution for targeted cooling.

3. Peace and Quiet:

Mini Split on Interior Wall

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Remember those loud and clunky air conditioners that drowned out conversations and disrupted sleep? Mini-splits are here to change the game with their quiet operation. They operate quietly and unobtrusively, making them one of the many mini split benefits.

Costs and challenges of mini split interior unit

Mini Split on Interior Wall

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While mini-splits themselves are budget-friendly, installing them on interior walls can involve additional costs compared to simpler setups. It is necessary to install the unit securely, drill holes through the wall for condensate lines, and possibly conceal electrical wiring when mounting it on an interior wall. This complexity can also apply to mini split in attic installations, where additional considerations like insulation and proper ventilation are crucial.

However, it’s important to remember that these initial costs are often outweighed by the long-term benefits of mini-splits, such as energy savings and improved comfort.

When considering a mini-split air conditioning system, it’s important to factor in both the unit cost and installation cost. Mini-split units themselves can range from $500 to $2,000, depending on factors such as brand, size, and features. 

Additionally, professional installation typically costs between $300 and $1,000, though this can vary based on the complexity of the installation job and the rates of the installer. It’s wise to budget for both the unit and installation costs to ensure a smooth and efficient process.

Potential Challenges

It’s crucial to note that improper installation of mini-splits on interior walls can lead to unwanted issues, like

Water leaks

Mini Split on Interior Wall

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Mini-splits collect moisture from the air like a sponge. This moisture needs to be drained away through a thin pipe called a condensate line. If the line isn’t installed correctly, it can become clogged or leak, leading to water damage on your walls or floors. Think of it like a leaky faucet – a small problem that can cause big headaches!

Inadequate cooling

Imagine your mini-split working overtime but your room still feeling toasty? This could be a sign of inadequate cooling. Improper installation, like blocked airflow due to incorrect placement, can prevent the unit from functioning efficiently and keeping you cool. It’s like trying to cool a room with a blanket wrapped around the air conditioner – not exactly effective!

Mini Split on Interior Wall

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Hiring a qualified and experienced professional for installation is crucial. While it might involve some upfront costs, it ensures your mini-split is installed correctly, functions efficiently, and avoids any potential problems down the road.

How to Choose the Best Location for Your Mini Split on an Interior Wall?

When choosing the location for your mini-split, keep these things in mind:

1. Room Size and Layout

Mini Split on Interior Wall

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Just like a good party needs enough space for everyone to dance, your mini-split needs good airflow to distribute cool air throughout the entire room. Think of it like a gentle breeze wafting through your space. Here are some key things to consider:

  • Choose a mini-split unit with the right capacity for your room size. A unit that’s too small will struggle to keep up, while one that’s too big might lead to uneven cooling and wasted energy.
  • Avoid corners or areas near doors and windows. Drafts from these spots can interfere with the airflow and affect the unit’s efficiency. Aim for a central location on a wall that faces the open space of the room.

2. Airflow and Noise

Mini Split on Interior Wall

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Like Goldilocks searching for the perfect porridge, we want your mini-split installation to be just right.

  • Ensure the chosen spot allows for proper ventilation. This means the unit needs some space around it to intake and exhale air freely.
  • Consider where the noise from the unit might be disruptive. Bedrooms or home offices might benefit from a location where the sound is less noticeable.

By positioning your mini split on interior wall, following these tips can ensure it’s perfectly placed to provide cool comfort throughout your room, without any unwanted drafts or noise.

3. Good vs. Bad Spots:

Mini Split on Interior Wall

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Thumbs Up

  • Center wall
  • High on wall
  • Spacious surroundings
  • Sunroom
  • Basement 

Thumbs Down

    • Near doors/windows
    • Behind furniture/curtains
    • Above stove/oven
    • Bathrooms

Mini split in corner of room

Mini Split on Interior Wall

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Pro Tips

  • While DIY installation is tempting, hiring a professional is highly recommended to ensure safe and proper installation.
  • Regularly clean and maintain your mini-split for efficient operation and a long lifespan.
  • Ensure proper drainage to prevent water leakage. Consult your installer for specific advice.

How to drain a mini split on an interior wall?

Mini-splits on interior walls typically use a condensate pump to automatically drain the collected moisture. This pump connects to a drain line that leads outside the house or to an existing drain inside your home, like a floor drain or utility sink. Professional installation is crucial to ensure proper drainage and prevent leaks.

How high to mount a mini split condenser?

Mini Split on Interior Wall

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The ideal height for mounting a mini-split condenser unit is at least two feet above the ground. This height recommendation serves two primary purposes: ensuring proper airflow and enhancing safety. By positioning the condenser unit higher, you can prevent debris such as dirt and leaves from entering, which can help maintain efficient operation. 

Additionally, mounting the unit higher reduces the risk of accidental damage from lawnmowers, trimmers, or snow accumulation. It’s advisable to consult the manufacturer’s recommendations and local building codes for specific requirements, as these may vary depending on the model and your region.

Wrapping Up

Installing a mini split on interior wall can be a game-changer, especially for ductless homes. Remember, weigh the pros and cons, consider the cost, and follow the best practices for a cool and comfortable experience. With proper installation and care, your mini-split will be your comfort companion for years to come.