How to Find the Best Attic Air Conditioners

As anyone who has ever stepped foot in an attic in the middle of summer can attest to, attics can get extremely hot. While this may not seem like a big deal to some, for those who have to store items in their attic or use it as a living space, this can be unbearable. In addition, the high temperatures can also lead to damage to stored items or, in extreme cases, start a fire.

One way to combat the high temperatures in an attic is to install an attic air conditioner. With an attic air conditioner, you can stay comfortable, cool, and safe without breaking the bank. In this blog post, I will show you how to find the best attic air conditioners for your home.

I will give my opinion on four of the best options to cool your attic space, and what works best for different situations. I have seen many air conditioning units installed incorrectly during my time as a mechanical engineer in New York City, and believe me; you don’t want that stress in your life!

I will also provide a few tips on how to get through some common issues they experience. Stay cool this summer!

Bottom Line:

If you’re looking for the best air conditioner for your attic, look no further than a ductless mini-split system like this model from MRCOOL. These systems offer many advantages over other types of air conditioners, including better energy efficiency and easier installation.

Plus, they’re less likely to leak refrigerant, making them a safer option for your home. When shopping for a ductless mini-split system, be sure to compare features and prices to find the best unit for your needs.

mr cool ac

Why Do You Need an Air Conditioner in the Attic?

As the weather heats up, many homeowners begin to think about ways to keep their homes cool and comfortable. Some may consider installing an air conditioner in the attic. But is this really a good idea?

There are a few things to consider before making this decision. First, attics can be very hot, often reaching temperatures of over 100 degrees Fahrenheit. This is due to the fact that heat rises. So, if you live in a hot climate, your attic is likely to be one of the hottest spots in your home.

Installing an air conditioner in the attic can help to cool down this space and make it more comfortable. However, there are a few things you need to keep in mind before doing so.

  • First, you need to make sure that your attic is properly insulated. If it isn’t, the cool air from your air conditioner will escape and will be wasted. This will not only make your home less comfortable, but it will also increase your energy bills.
  • Second, you need to make sure that there is enough ventilation in your attic. If there isn’t, the air conditioner will have to work harder to cool the space, and this will again use more energy.
  • Third, you need to be aware of the fact that an air conditioner in the attic can create condensation. This can lead to mold and mildew problems. So, this may not be the best option for you if you live in an area with high humidity.
  • Fourth, you need to make sure that the air conditioner you select is the right size for the space. If it’s too small, it won’t be able to cool the space properly. If it’s too large, it will use more energy than necessary.
  • Finally, you need to know that an air conditioner in the attic can be noisy. This is because the compressor is located in the attic. If noise is a concern for you, you may want to consider another option.

Overall, there are both pros and cons to installing an air conditioner in the attic. You need to weigh these factors carefully before making a decision.

What to Look For in an Attic Air Conditioner?

We all know that having a comfortable home is important, but during the hot summer months, it’s even more critical to have a cool and comfortable environment inside your home.

If you don’t have central air conditioning, or if your home doesn’t have enough cooling capacity to keep up with the heat, then an attic air conditioner can be a great solution. But what should you look for when choosing an attic air conditioner?

How Many BTUs?

If you’re in the market for an attic air conditioner, there are a few things you’ll want to keep in mind. The most important factor to consider is the unit’s BTU rating. BTU stands for British Thermal Unit, which measures the amount of heat a particular air conditioner can remove from your home. The higher the BTU rating, the more powerful the unit will be.

You’ll also want to consider the size of the unit. If you have a large attic, you’ll need a unit with a higher BTU rating to achieve the same level of cooling as a smaller unit. Conversely, if you have a small attic, you may be able to get away with a lower BTU unit.

Is It Energy Efficient?

Energy-efficient attic air conditioners use less electricity than traditional models and can save you money on your energy bill. There are a few things to look for when shopping for an energy-efficient attic air conditioner:

  1. Look for an ENERGY STAR® label. ENERGY STAR® is a government-backed program that helps consumers save money and protect the environment by promoting energy-efficient products. ENERGY STAR® attic air conditioners are at least 15% more efficient than traditional models.
  2. Look for an EER rating. The EER, or Energy Efficiency Ratio, is a measure of how much cooling a unit produces for the amount of energy it uses. The higher the EER rating, the more efficient the unit is.
  3. Look for a SEER rating. The SEER, or Seasonal Energy Efficiency Ratio, is a measure of how much cooling a unit produces over an entire season. Similar to EER, the higher the SEER rating, the more efficient the unit is.
  4. Compare models to find the most energy-efficient option. Once you have narrowed down your choices to a few energy-efficient models, compare the models to find the most energy-efficient option.

ac construction

Is It Difficult to Install?

One of the most important things to consider when looking for an attic air conditioner is the installation process, which can be difficult if you’re not familiar with it.

The first thing to know about installing an attic air conditioner is that it’s not a do-it-yourself project. You’ll need to hire a professional to do the job for you, as there are a lot of safety concerns involved. Attic air conditioners are heavy and require special tools and equipment to install properly. In addition, the job requires working in a confined space, which can be dangerous if you’re not experienced.

Once you’ve hired a professional to install your attic air conditioner, the next thing to consider is the location. The unit needs to be installed in a place where it will get enough airflow to function properly. This usually means putting it near a window or vent.

Finally, you’ll need to think about how you’re going to power the unit. Most attic air conditioners run on electricity, but there are also some that use natural gas or propane. Make sure you know what your options are before you make a purchase.

Installing an attic air conditioner can be a difficult process, but it’s important to do your research and hire a professional to help you. With proper planning, you can ensure that your unit is installed safely and properly and that it will work effectively to keep your home cool all summer long.

What Is the Expected Lifespan of the Unit?

When shopping for a new air conditioner, it’s important to consider the unit’s expected lifespan. A good rule of thumb is to expect an attic air conditioner to last about 15 years. However, there are a number of factors that can affect a unit’s lifespan, so it’s always best to consult with a qualified HVAC technician before making your purchase.

Age and wear and tear are the two most important factors to consider when determining how long your attic air conditioner will last. If you have an older home, your unit may not be as energy efficient as newer models on the market. Additionally, if your unit has been used frequently over the years, it may not last as long as one that has been used sparingly.

The type of air conditioner you purchase will also affect its lifespan. Central air units tend to last longer than window units, for example. The brand of air conditioner you buy is also important. Some brands are known for their durability and long lifespans, while others may not be as reliable.

Finally, the climate in which you live can impact your air conditioner’s lifespan. If you live in an area with harsh winters and hot summers, your unit will have to work harder to keep your home comfortable, which can shorten its lifespan. Conversely, if you live in a mild climate, your unit will last longer because it won’t have to work as hard.

What Is the Brand’s Reputation?

There are a lot of different brands on the market, and not all of them are created equal. Some brands have reputations for being more reliable and durable than others, and this is something you’ll want to keep in mind when making your decision.

Do some research online and see what other people say about the various attic air conditioners brands. See if there are any common themes or complaints that come up again and again. This can give you a good idea of which brands to avoid and which ones might be worth considering.

Another thing to look for is customer service support. If you run into any problems with your attic air conditioner, you’ll want to be able to reach out to the company for help. See what kind of support options they offer and how responsive they are to customer inquiries.

Finally, make sure to look at the warranty that comes with the attic air conditioner. This can give you peace of mind in knowing that you’ll be covered if anything goes wrong.

Take your time to make your decision, and don’t be afraid to ask for advice. With a little bit of research, you should be able to find an attic air conditioner that will meet your needs and provide you with years of reliable service.

Ductless Mini Split AC For Attic (Best Type of Attic AC)

Ductless mini-split AC units are different from traditional AC units in that they don’t require any ductwork. Instead, they have an outdoor compressor and one or more indoor air handlers.

There are several benefits of using a ductless mini split AC unit in an attic. First, they are much easier to install than traditional AC units since there is no need for ductwork. Second, they are much more energy efficient since there are no leaks in the ductwork for cool air to escape. Third, they provide better cooling since the air handlers can be placed directly in the attic where the heat is most concentrated.

If you are looking for a way to keep your attic cool, you can’t go wrong with a ductless mini-split AC unit is the best option. I’ve seen countless of them installed, and not only are they more energy efficient, but they will also provide better cooling than other options, and they are relatively easy to install.

Solution: If you are looking for a mini-split system for your attic, I really like this model from MRCOOL. It is relatively cheap, has everything you need in the kit to install, and the 12k BTU rating should be enough for most average-sized attics.


Window Air Conditioner for Attic (You Need the Right Window)

The most important thing, bar none, when considering a window air conditioner for your attic, is the type and size of windows that your attic has. Most attics do not have full-sized windows or windows that are along the angle of the roof of the house.

Window air conditioners will not work if they do not fit in the window (obviously), but they must also be level to work properly. Installing them in a window that is at an angle is a waste of time. The other big factor is the weight of the unit. Most window air conditioners for attics are going to be on the heavy side, so make sure that your chosen window can support the weight.

Another big factor to consider is the climate in your area. If you live in an area with a lot of humidity, you will want to make sure that your window air conditioner for attic has a built-in dehumidifier. Otherwise, you will be miserable when you turn on your unit, and it does nothing to combat the muggy air.

The last thing to consider is the noise level. Some window air conditioners are very loud, and if your attic window is right above a bedroom, it can make it difficult to sleep at night. Do some research and find a unit that is quiet enough for you to be comfortable with.

Solution: With all of these factors in mind, you should be able to choose the perfect window air conditioner for your attic and be comfortable all summer long. In my opinion, you can’t go wrong with something like this model from Amana. It has a remote, dehumidifier built-in, a timer, and three speeds for the fan, everything you need in your attic window AC!

amana ac

Portable Air Conditioner for Attic (Cheapest Option for Short Term)

A portable air conditioner for the attic is a great option for those who want to cool their home without spending a lot of money. This type of air conditioner is less expensive than most other options, and it can be used in any room that has an outlet. Portable air conditioners are also easy to install, and they can be moved from one room to another as needed.

If you are considering a portable air conditioner for your attic, there are a few things you should keep in mind.

  • First, you need to make sure that the unit will fit through the door of your attic.
  • Second, you need to decide how much power you need. The most important factor is the size of the room you want to cool. A small room will require a smaller unit, while a larger room will need a larger unit.
  • Third, you need to decide how long you plan on using the air conditioner. If you only need it for a short period of time, then a portable air conditioner is a great option. However, if you plan on using it for an extended period, you may want to consider another option.
  • Fourth, you must ensure that the portable air conditioner you purchase has all the features you need. Some units come with filters that remove allergens and dust from the air, while others have humidifiers to keep the air moist. Make sure that the unit you purchase has the features you want before you make your final decision.
  • Finally, you need to decide where you will place the unit. You need to ensure that it is in a location that is out of the way of foot traffic and that it will not be in the way of any furniture. Once you have decided on these factors, you are ready to purchase your portable air conditioner for the attic.

Solution: This portable AC from SereneLife has almost 17,000 reviews on Amazon with a 4.5 rating; you can’t really argue with that! I like it because it seems to carry all of the features that the more expensive brands and models have, but at a much cheaper price. It comes with a built-in dehumidifier like the window AC, and it also has a heat mode, just in case you need it for the cold winter months. It’s an all-rounder!

SereneLife SLACHT128 Portable Air Conditioner

Through-the-Wall or Through-the-Roof Air Conditioners for Attic

As the name suggests, through-the-wall or through-the-roof air conditioners for attic are installed through an exterior wall or roof. These units are usually used in homes where window air conditioners aren’t an option, such as in a home with no windows or in a historic home where changes to the exterior would be frowned upon.

If you’re considering a through-the-wall or through-the-roof air conditioner for attic, there are a few things to keep in mind.

  • First, these units are generally more expensive than window air conditioners.
  • Second, they require more work to install.
  • Third, they can be more difficult to repair if they break down.

With all of that said, though-the-wall or through-the-roof air conditioners for the attic can be a great option for those who want to cool their home without changing the exterior of their home. They’re also a good choice for those who live in historic homes where window air conditioners just aren’t an option.

Solution: LG have been establishing itself in the HVAC space for many years now, and this through-the-wall AC unit shows how far they’ve come. It has all of the features you would expect from a through-the-wall unit; however, it is very important to know that all through-the-wall units require a sleeve to either be bought or made before they can be installed. These can become very expensive, depending on the model. Do your research!

lg ac

Use a Smart AC Controller with Your Attic Air Conditioner

If you have an attic air conditioner, you know how important it is to keep the temperature in your attic regulated. But what if you could do more than just regulate the temperature? What if you could actually control the unit itself with a smart AC controller? Smart AC controllers are designed to optimize your air conditioner’s performance while reducing your energy consumption.

There are a number of different smart AC controllers on the market, so it’s important to do your research to find the right one for your needs. But in general, these devices work by monitoring and regulating the temperature in your home, as well as the humidity levels. This ensures that your air conditioner is only running when necessary, which can save you a significant amount of money on your energy bills.

In addition to saving you money, a smart AC controller can also help to extend the life of your air conditioner. By reducing the amount of time that your air conditioner is running, you’re helping to reduce wear and tear on the unit. This can ultimately lead to a longer lifespan for your air conditioner, which is a valuable investment in your home.

If you’re looking for a way to save money on your energy bills and prolong the life of your air conditioner, a smart AC controller is a great option to consider. There are a number of different models on the market, so be sure to do your research to find the one that’s right for you. But in general, these devices can provide you with significant savings on your energy costs, as well as peace of mind knowing that your air conditioner is running efficiently.

How To Deal with Attic Air Conditioner Problems

repairman fixing air conditioner on wall

When it comes to air conditioners, most people think of them as working perfectly fine until they all of a sudden don’t. However, there are some air conditioner problems that can be dealt with before they cause the unit to break down. These attic air conditioner problems are often caused by a lack of maintenance or poor installation.

Wrong AC Size

One of the most common problems that homeowners face with their air conditioners is that the unit is the wrong size. This can cause a number of problems, including decreased efficiency, increased energy costs, and even premature failure of the unit. If you’re having problems with your AC, here are a few tips on how to deal with them.

The first thing you need to do is determine whether or not your AC unit is actually too small. This can be done by measuring the square footage of your home and comparing it to the BTU rating of your air conditioner. If your unit is undersized, you’ll need to upgrade to a larger one.

However, if you have an AC unit that’s the right size for your home, you can still do a few things to improve its efficiency and prevent future problems. One of the most important things is to make sure that your unit is properly installed. If it’s not level or if it’s installed on an uneven surface, it could be causing your unit to work harder than it needs to.

Another thing you can do is to keep your AC unit clean. Dust and dirt can build up on the coils and cause the unit to work less efficiently. You should clean your air conditioner at least once a year, but more often if you live in an area with high levels of dust or pollen.

No Insulation

If you’re having problems with your air conditioner, it could be due to a lack of insulation in your attic. This is a common problem, especially in older homes. There are a few things you can do to deal with this issue.

First, you’ll want to make sure that you have the proper amount of insulation in your attic. This can be done by hiring a professional to come and take a look or by doing it yourself. If you’re not sure how much insulation you need, there are plenty of resources available online or at your local hardware store. Once you have the proper amount of insulation, you’ll need to make sure it’s installed correctly. This means sealing any gaps or cracks around the edges of the insulation and making sure it’s evenly distributed throughout the attic.

Once you have the proper amount of insulation and it’s installed correctly, you should start to see a difference in your air conditioner’s performance. If not, there are a few other things you can try. One is to make sure that your AC unit is properly sealed and insulated to avoid any gaps and cool air escaping.

Not Enough Air Circulation

If your attic isn’t properly ventilated, it can cause all sorts of problems with your air conditioning system. The hot air that builds up in the attic can cause your air conditioner to work harder than it needs to and can even cause it to break down completely. Here are a few tips on how to deal with air conditioning problems caused by not enough air circulation in the attic:

  • Make sure that there are no air conditioning vents blocked by debris.
  • Make sure that the vents in the attic are open and unobstructed.
  • Check for gaps or cracks in the attic floor and walls that could let hot air in.
  • Consider installing additional attic vents to increase air circulation.

Blocked Drain Pipe

If you have an air conditioner, you know that one of the most common problems that can occur is a blocked drain pipe. When this happens, it can cause all sorts of problems, including water leaks and unpleasant odors. Luckily, there are some things you can do to fix this problem yourself.

The first thing you need to do is locate the blockage. This can be done by tracing the path of the drainage pipe from the unit itself. Once you’ve found the blockage, there are a few different ways you can clear it. One way is to use a plumber’s snake.

This is a long, Flexible piece of metal that can be inserted into the pipe to clear the blockage. Another way is to use a garden hose. Simply insert the hose into the pipe and turn on the water full blast. The pressure from the water will usually be enough to clear the blockage.


Question: How does an attic air conditioner work?

Answer: Air conditioners work by circulating cool air throughout a room or space. Attic air conditioners are no different, except that they are designed to be installed in an attic space. The air conditioner draws in hot air from the room and circulates it through a system of coils. These coils are filled with a refrigerant, which cools the air as it passes through. The cooled air is then circulated back into the room, providing a comfortable environment.

Question: Can I install an attic air conditioner myself?

Answer: You might be wondering if you can save some money by installing your attic air conditioner yourself. The answer is, unfortunately, no. Attic air conditioners are complicated pieces of machinery that require professional installation. Not only do you need to have the proper tools and equipment to install an attic air conditioner, but you also need to have the knowledge and experience to do it safely and correctly.

Attempting to install an attic air conditioner without these qualifications can not only be dangerous, but it can also void the warranty on your AC unit. So, unless you’re a professional HVAC technician, we recommend leaving the installation of your attic air conditioner to the experts.

Question: How often should I have my attic air conditioner serviced?

Answer: HVAC systems in attics need to be serviced at least once a year to keep them running properly. This is especially important in hot, humid climates where the air conditioner is used frequently.
During the service appointment, the HVAC technician will inspect the unit and clean it as necessary. They will also check the Freon levels and make sure that all of the electrical connections are secure. If any repairs are needed, they will be made at this time.

It is best to schedule your attic air conditioner service appointment in the spring before the weather gets too hot. This will ensure that your unit is in good working order when you need it most.

Question: Are there any dangers associated with using an attic air conditioner?

Answer: Attic air conditioners are a great way to keep your home cool during the summer months. However, there are some dangers associated with using an attic air conditioner. One of the biggest dangers is that the unit can overheat and cause a fire. Another danger is that the unit can leak toxic chemicals into your home.
They can also cause water damage to your home if they are not installed and maintained properly. If you are considering using an attic air conditioner, make sure you understand the risks involved before you make a decision.

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