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Why Is My Mini Split Blowing Hot Air?

Why Is My Mini Split Blowing Hot Air?

Why Is My Mini Split Blowing Hot Air?

A mini split is an efficient and unique heat and cooling system that many homeowners opt for in place of traditional systems. If your mini split unit is blowing hot air, it’s an obvious problem that indicates an underlying issue. It’s important to be aware of what might be causing this to happen and how to go about restoring comfort to your home and silence to your mini split.

What Causes a Mini Split to Blow Hot Air?

When your mini-split is blowing hot air, the issue usually lies in the compressor issue or faulty wiring. The compressor is what creates the cold air that enters your home and anything that interrupts the cooling process will cause hot air to flow out instead. Often, this is caused by a blockage or a defect in the mini-split exhaust. If not blocked, the air can flow freely and your mini-split can cool your home normally.

A more serious problem could be from worn wiring. If your mini-split’s wiring becomes old and worn down, it may not be able to complete the strong electrical current that the mini-split needs to operate at peak performance. In this case, the controls may be dead, or the compressor will be unable to produce the cooling effect. That’s why it’s important to have wiring inspected every so often and replace them as needed.

How To Fix Your Mini Split Blowing Hot Air

If your mini-split is blowing hot air, the best action you can take is to turn it off and call a local Reliable Appliance Repair professional (866-311-8590). Depending on the cause, the technician may need to perform some extra work. For example, they may need to unclog an exhaust or fix a wiring problem. In any case, professional technicians know what to do to restore your mini-split’s performance and your home’s comfort.

Furthermore, the Reliable Appliance Repair professionals can install your new mini-split if you’re looking for a replacement. It’s important to have a professional install your mini-split in order to get the best performance out of it. This is because professional technicians have the experience and knowhow to calibrate the unit for optimal performance, helping you get the most out of your new purchase.


When your mini split is blowing hot air, it’s an obvious sign that something is wrong with the air conditioner and needs to be fixed. In most cases, the problem lies within the compressor or wiring. To make sure the issue is fixed properly, it’s best to contact a professional. Reliable Appliance Repair has highly experienced technicians who can take care of both troubleshooting and installation for your mini split. To ensure that you can restore the comfort to your home and silence to your mini split, contact Reliable Appliance Repair now at (866) 311-8590.

Why Is My Mini Split Blowing Hot Air?
Why Is My Mini Split Blowing Hot Air?
Why Is My Mini Split Blowing Hot Air?

Mini Split Blowing Hot Air: Solutions and Best Practices

The issue of mini split systems blowing hot air when in use is an unfavorable experience that is often avoidable if certain preventive measures are taken. Understanding the causes of this issue and how to take the necessary preventive action will ensure that your mini split blows cooling air as desired. To that end, this article will discuss the manufacturer recommendations, local appliance companies’ or HVAC technician’s recommendations regarding preventive action to avoid Mini split blowing hot air issues.

Manufacturer’s Recommendations

Manufacturers of mini split systems typically provide detailed installation and usage instructions, which should be closely followed. Such instructions typically include tips for servicing, cleaning, and maintenance, along with advice about how to use the system for maximum effectiveness. Paying careful attention to the manufacturer’s instructions, such as to ensure adequate air circulation, will help to avoid hot air issues altogether.

Local Appliance Company’s/HVAC Technician Recommendations

For those looking to get further advice specific to their own system setup, it is wise to consult a local appliance company or HVAC technician. Professionals in this line of work can provide a detailed breakdown of potential issues that could lead to the mini split blowing out hot air and the best ways to prevent them. Furthermore, local appliance companies can provide unique parts and accessories for mini split systems which could help to improve overall performance and efficiency.

General Best Practices for Blowing Hot Air Issues

Generally, the key to avoiding mini split blowing hot air issues lies with proper installation, maintenance and servicing. Listed below are a few of the best practices that should be followed:

Keep Your Mini Split Unit In Good Condition

It is important to ensure that your mini split unit is in good condition, free of debris, dust, and other debris that could affect performance. An annual inspection and servicing of your unit helps to verify the condition and performance of all parts.

Choose the Right Spot for Your Mini Split

When installing your mini split system, it’s important to choose the right spot. Locations such as narrow stairwells or hallways, where there is inadequate air circulation, could lead to hot air issues.

Pay Close Attention to Ventilation

In any space where your mini split is located, proper ventilation is critical. Poor ventilation leads to poor heat transfer which can result in hot air circulation.

Mind the Air Filters

Air filters should be changed regularly to keep them in working condition and to avoid any build ups that could affect the functioning of the unit.

Make Your Air Conditioner Efficient

A mini split system needs to work more when operated in inefficiently cooled rooms. This is why it is important to adjust your lighting and keep your windows closed to make the best use of your system.

By understanding the causes behind mini split blowing hot air issues and following preventive measures such as those outlined above, you should be able to ensure that your mini split unit functions as desired. Additionally, if you are ever uncertain about something, or need additional advice or help with your mini split system, contact a local appliance company or HVAC technician.

What’s the Average Cost to Fix Mini Splits Blowing Hot Air?

We often get questions about the average cost to fix mini splits that are blowing hot air. Generally, the cost to repair this issue is anywhere from $150 to the upwards of $800, depending on the issue and area. It’s important to call a certified technician to get an accurate repair estimate.

Fortunately, Local Reliable Air Conditioning & Heating (866) 311-8590) has experienced technicians available to troubleshoot and inspect your unit right away.

Below we’ve compiled a guide that provides the cost of average repairs or installations and lists necessary parts. It also explains the repair cost in-depth to give you a better idea of what to expect.

Minimum Repair or Installation Cost

The minimum repair or installation cost can vary significantly depending on the part or labor needed. For example, a basic repair like replacing a dirty filter can cost as little as $150.

On the other hand, addressing bigger issues like faulty switches or replacing a capacitor or fan motor can cost up to $800 or more. Thus, it’s important to get an accurate estimate from a tech.

Complex Repair or Installation Cost

The cost for complicated repairs or installations in California can range from $1000-$3000 or more. This is due to the higher cost of labor, parts, and materials.

It’s essential to list the necessary parts and materials to ensure that the tech has everything needed to complete the job. This will help minimize the chance for costly errors.

Necessary Parts and Items

Necessary parts and items will depend on what needs to be repaired. Here are a few common parts that may need to be replaced to fix a split blowing hot air:

  • Thermostat
  • Disconnect & Switch
  • Condenser fan motor
  • Capacitor
  • Expansion valve
  • Evaporator coil

Also, depending on the time and effort needed, additional materials like fasteners, tubing, solvents, and electrical supplies may need to be purchased.

Regardless of the parts and materials needed, skilled technicians at Local Reliable Air Conditioning & Heating can handle all of your mini split repair and installation needs. Schedule an appointment today with Local Reliable Air Conditioning & Heating (866) 311-8590).

Benefits of Reliable Air Conditioning & Heating

Reliable Air Conditioning & Heating is a family-owned California business that offers same-day appliance and HVAC repair and installations. Our highly trained technicians have a minimum of five years experience in the field and have dealt with mini split systems blowing hot air on a regular basis. We strive to offer fair and competitive pricing for our services, and we are licensed, bonded and insured for your peace of mind.

At Reliable Air Conditioning & Heating, we take pride in our quality of work and make sure that your mini split system is working correctly. Furthermore, all of our repairs carry a 90-day warranty, providing you with additional assurance that our work will last. Should you encounter a problem with your mini split system that is causing it to blow hot air, don’t hesitate to give us a call and we’ll provide a same-day service.

When it comes to dealing with mini split systems that are blowing hot air, you can trust Reliable Air Conditioning & Heating to deliver reliable and affordable solutions. We take pride in our work and strive to provide every customer with quality and satisfaction. With our same-day service and 90-day warranty, you can rest assured that your mini split system will be up and running in no time.

At Reliable Air Conditioning & Heating, our experienced technicians have the training and the knowledge necessary to diagnose and solve the issue with your mini split system that is causing it to blow hot air. We guarantee competitive prices and same-day service. Furthermore, all our work is backed by a 90-day warranty.

For all your mini split system blowing hot air issues, trust the expert technicians at Reliable Air Conditioning & Heating. We offer same-day service and competitive rates, as well as full insurance coverage and a 90-day warranty on all our repairs. Don’t hesitate to reach out and contact us today to get your mini split system blowing the right temperature in no time.


Why Is My Mini Split Blowing Hot Air?

The most common cause of a Mini split blowing hot air is a clogged or dirty filter. A dirty filter can prevent the evaporator from producing cold air, and cause the unit to blow hot air. Additionally, a malfunctioning compressor can lead to a mini split blowing hot air, or the refrigerant levels could have become too low.

Mini Split Blowing Hot Air

To diagnose a mini split system that is blowing hot air, check the filter to see if it is dirty or clogged, and if so, replace it. If the filter is not the culprit, then double-check the refrigerant lines for any signs of damage or tampering. Lastly, inspect the capacitor and contacts, to make sure there is no corrosion. If all of these components check out, it may be time to consult a professional.

Need Further Assistance?

If your mini split system is still blowing hot air after following the steps provided, it is advised to contact Local Reliable Appliance Repair at (866) 311-8590 for further inspection and repairs.

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