The 6 Best Window Air Conditioner With Heat (Reviews & Guide)

window air conditioner with heat
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The best window air conditioner with heat can help you stay comfortable in your home all year round without cranking up the Central AC. 

These air conditioner heater combos are efficient and easy to install. 

The multi-functional window units will provide supplemental heating and cooling to your desired room to keep your space cozy.

Even in the absence of a central unit, these window ACs still deliver effective indoor cooling and heating.

If you have decided that using a window AC unit with heat is the perfect option for your home, we have reviewed some of the best models.

My Overall #1 Rated Pick

Amana AMAP182BW
The Air Conditioner is best befitted for commercial office use. It can help business owners create a nice and comfortable environment for customers. With 17,600 BTU cooling and 11,000 BTU heating, the unit can heat and cool a room up to 1000 sq ft comfortably. To top it up, it has an EER rating of 10.8 that helps save your money.

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

We have included a comprehensive buying guide for online shoppers to help you choose the best window air conditioner with heat for your room.

6 Best Window Air Conditioners With Heat

  1. Koldfront WAC8001W 8,000 BTUBest Energy Saving Option
  2. Koldfront WAC12001W 12,000 BTUMost Powerful Option
  3. Frigidaire FFRH0822R1 8000 BTUBest In-Built Option
  4. LG 12,000 BTUs 230V Window-Mounted Best for Large Spaces
  5. Friedrich Chill Series EP08G11B RoomBest Versatile Option
  6. Amana AH183G35AX Window Best Overall Option 

6 Best Window Air Conditioners with Heat Reviews

1. Koldfront WAC8001W 8,000 BTU Window Air Conditioner With Heat

Sale
Koldfront WAC8001W 8,000 BTU Window Air...
  • 8,000 BTU 750W/6.3A cooling, 3,500 BTU 1320W/11.6A supplemental heating functionality (Not intended to be a primary heat source)
  • PLEASE NOTE: Heat function is only intended to provide supplemental heating in addition to an existing heat source; for a cool only version of this unit please see model# WAC8002WCO
  • Window width: 26 7/8"- 36" Minimum window height: 16 1/2"; Input voltage: 115 V / 60 Hz; 2 year warranty
  • Installation hardware and weather seals included; Coverage area: 350 sq. ft. (cool)
  • This Koldfront unit offers several energy-saving features, including a Check Filter light, thermostat-controlled operation, sleep mode, and Energy Saver mode; PLEASE NOTE: This window air conditioner does not require a wall sleeve

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

Koldfront WAC8001W is one of the popular and best-selling window air conditioners with heat, not only because it’s relatively cheap and because of its cooling and heating capabilities.

This 8,000 BTU unit can effectively cool rooms up to 350 square feet and warm 100 square feet. In addition, the 3500 BTU heating capacity is intended to provide supplemental heating.

That means the heat mode cannot warm the same square footage, so it cannot serve as the primary heater. Apart from the dual function, the Koldfront WAC8001W is easy to use and comes with a 24-hour timer.

You can easily adjust the fan speed, temperature, and control other convenient features by just hitting a few buttons using the wireless remote control.

The digital display is very much user-friendly. It will show you the fan speed as well as other functions you’ve selected.

If you’re environmentally conscious, you’ll be pleased to know that Koldfront WAC8001W contains R-410A – an Eco-friendly refrigerant that has no bromine or chlorine.

Unlike other refrigerants that have been used in the past, the R-410A will not damage the ozone layer. In addition, this small window unit comes with an energy saver mode that turns the unit on and off for 2 minutes in 10-minute intervals.

And if the temperature exceeds the desired temperature, the compressor will kick on and cool the room back down to the preselected temperature.

Next is the sleep mode that periodically adjusts the temperature for about 6 hours until it returns to your set temperature. 

Pros

  • 4-way louvers
  • Value for money
  • 24-hour timer
  • Wireless remote control
  • 2-year warranty

2. Koldfront WAC12001W 12,000 BTU Heat/Cool Window Air Conditioner

Sale
Koldfront WAC12001W 12,000 BTU 208/230V Heat/Cool...
  • 12,000 BTU 1100W/5.0A cooling; 11,000 BTU 3500W/16.0A heating functionality
  • 450- 550 sq. ft. coverage area; Remote control included; 4 operation modes; Installation hardware and weather seals included; 4-way air directional louvers
  • Please note: Special 230V electrical outlet required (unit will not work with a standard 115V outlet)
  • For a cool only version of this unit see model # WAC12002WCO; energy saver mode; EER 10.9;
  • Window Width: 26 7/8" to 36"; Window Minimum Height: 16"; Input voltage: 208/230 V/60 Hz; PLEASE NOTE: This window air conditioner does not require a wall sleeve

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

The Koldfront WAC12001W is more like the Koldfront WAC8001W. The difference is the cooling capacity – it can cool rooms up to 550 square feet and warm up 400 sq ft thanks to its 12,000 BTU.

Because of its cooling and heating capacity, it is ideal for people looking to cool an entire apartment rather than a small space.

Like its counterpart, this window air conditioner with heat has several features that make it easy to use. The thermostat allows you to set your desired temperature.

The digital display will show you all the adjustments you’ve made, whether it’s selecting the modes or airflow. Then, with the help of the wireless remote, control you can adjust the settings from the comfort of your sofa.

This window AC unit is energy-efficient and environmentally friendly. You can take advantage of the sleep mode to maximize your energy saving.

Also, the saver mode enables the fan to cycle on and off for 2 minutes in 10-minute intervals. The feature is important because the compressor will kick on and off to cool the room at your desired temperature.

This window AC unit is designed to use R-410A for reliable and more energy-efficient operation. In addition, air conditioners that use R-410A can absorb and release more warmth than those with R-22.

Pros

  • Great for large room
  • Remote control
  • 12,000 BTU

Cons

  • No slide-out chassis

Click to Check Price


3. Frigidaire FFRH0822R1 8000 BTU Compact Slide-Out Chasis Air Conditioner/Heat Pump

FRIGIDAIRE FFRH2522R2 Air Conditioner, 25,000 BTU,...
  • Dimensions: 26-1/2" W x 26-1/2" D x 18-5/8" H | Window Width: 31" - 42" | Cabinet Depth (w/ Front): 23-5/16" | Cut-Out Height: 18" | Cut-Out Width: 26-3/4"
  • With the coverage area of up to 1672 Sq. ft. keep your home comfortably cool throughout the year
  • Enjoy a fresh breeze at your home anytime with 7326.78 W cooling power
  • Window mounting kit included (Pleated Quick Mount adjusts the unit to fit your window)
  • Special 230V electrical outlet required (Unit will not work with a standard 115V outlet)

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

This window AC unit offers 8,000 BTUs of cooling and 7,000 BTUs of supplemental heating for up to 350 sq ft. It also has a dehumidification mode that can remove up to 1.5 pints per hour.

You can install it in windows measuring 26.725 to 36 inches wide. It’s easy to install, thanks to the slide-out chassis.

The chassis allows you to put the window kit and AC frame first before sliding the unit into it. You can also install it through the wall for more permanent cooling and heating.

The Frigidaire’s FFRH08L2R1 has 8-way directional control: energy saver, auto cool, fan only, and sleep mode. The power saver cycles the fan every 10 minutes after your desired temperature is reached. 

The auto-cool mode restores it to your selected temperature in case of a power shutdown. Finally, finally, the fan-only mode is used when your room isn’t that hot, particularly if you need to circulate the air across the room to avoid stuffiness.

The sleep mode allows you to sleep peacefully without worrying about wastage or waking up in the middle of the night to turn off the unit. That said, the air conditioner is also perfect for a minivan or a small RV

It comes with a full-function remote control that allows you to change the temperature, airflow and even operate other modes without moving.

A programmable timer is included so you can set the unit to heat or cool at your specified time.

A filter check light on the control panel reminds you when it’s time to clean the anti-microbial mesh air filter, which is easily accessible from the front tilt-out panel.

The Frigidaire FFRH0822R1 is one of the best window AC units with heat for its size, affordable price, and great features. 

Pros

  • 8-way directional control
  • Full-featured remote control
  • Check light reminders
  • Quiet operation
  • 3 cooling speeds, 3 fan speeds, and 3 heating speeds.

Con

  • The fan speed is set to “low” and turns off when the desired temperature is hit on heating mode.

 

Click to Check Price


4. LG 12,000 BTUs 230V Window-Mounted AIR Conditioner with 11,200 BTU Heat Function

LG LW1216HR 11,500/12,000 230V Window-Mounted Air...
  • Energy efficiency Ratio (EER): 11.3 (cooling)
  • Special 230V electrical outlet required (unit will not work with a standard 115V outlet)
  • 12,000 BTU cooling for rooms up to 550 sq. Ft
  • 11,200 BTU heating for Approx. 450 sq. Ft
  • 2 cooling speeds/2 heating speeds/2 fan speeds

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

The LG LW1816HR is an excellent window AC unit for large living rooms. It is one of the powerful ACs that can cool a room up to 550 sq ft and warm up to 450 sq ft.

That said, you can use it to supplement a central system in vital areas of your home. Even better, it can dehumidify up to 5.5 pints per hour, creating a comfortable environment for allergy sufferers.

This window AC unit has an energy efficiency ratio (EER) of 11.3, meaning it saves a lot of electricity than other models. However, it would help if you had a special 230V electrical outlet as it will not operate with a standard 115V.

The LG LW1816HR comes with a full-function remote control allowing you to select any functions from pretty much anywhere. You can direct air thanks to the comfort control 4-way air direction.

This 12,000 BTUs system comes with a slinger fan.  Although you can’t install it on walls, it’s perfect for double-hung windows.

With 11.3 EER, the LG LW1816HR is the best window air conditioner with a heat function for supplemental cooling. 

Pros: 

  • Dry air flow 265 CFM.
  • Filter reminder
  • Easy to install
  • 2 cooling speeds/2 heating speeds/two fan speeds

Cons

  • No slide-out chassis
  • Only two speeds for cooing heating and fan.

 

Click to Check Price


5. Friedrich Chill Series EP08G11B Room Air Conditioner with Electric Heat

Friedrich Chill Series EP08G11B Room Air...
  • POWERFUL - 7,500 BTUs of cooling power will cool a 350 sq. ft. room
  • REMOTE CONTROL - Lets you make comfort adjustments from anywhere in the room
  • VERSATILITY - 4 Modes of Operation (Fan, Cool, Money Saver, Dehumidify)
  • CONTINUOUS AUTO AIR SWEEP LOUVERS - Automatically oscillate louvers left and right during cooling
  • SPECIFICATIONS - 20.9 x 18.4 x 13.9 inches

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

The EP08G11B is part of the Chill Plus series, including an air conditioner and electric heat. It has a cooling capacity of 7,500 BTUs that can serve rooms up to 350 square feet.

Despite the low BTU, it helps so much in cooling, thanks to its three fan speeds. Moreover, with an energy efficiency ratio of 11.2, it’s more efficient than Friedrich UE08D11C.

One of the features you’ll love about this window AC unit is the auto air sweep. The louvers provide consistent distribution of air, ensuring the room is cooled or warmed evenly.

Chill Plus features the new refrigerant R32, with low Global Warming Potential (GWP), zero Ozone Depleting Potential (ODP), and relatively low flammability. Even better, it comes with a washable, antimicrobial air filter.

Moreover, it has a money-saving cooling mode, 4-way air-flow control, 24-hour timer; to reduce power usage and operating costs. You can access all these functions with the remote control.

This window air conditioner with heat can be installed in standard vertical sash windows or through a wall. It comes with all installation hardware, including the slide-out chassis, for hassle-free maintenance. 

Pros

  • 24-hour timer lets you program on/off times
  • Quiet operation
  • Easy to install
  • 4-way air-flow control
  • Auto-restart saves settings if power is interrupted

Con

  • Control panel door sticks

Click to Check Price


6. Amana AH183G35AX Window Air Conditioner with Heat Pump

Amana AMAP182BW 18,000 BTU 230V Window-Mounted Air...
  • 18, 000 btu air conditioner for window-mounted installation
  • Product Dimensions: 23.60" D x 25.40" W x 17.90" H | Window opening maximum width (in.): 41 | Weight: 116.80 lbs
  • 3 cooling speeds plus auto option for cooling flexibility, on board electronic control panel with digital display
  • Special 230V electrical outlet required (unit will not work with a standard 115V outlet)
  • Cools a room up to 1, 000 sq. Ft. With up to 4.75 pints per hour dehumidification, high efficiency 11.9 eer

Last update on 2021-06-08 / Affiliate links / Images from Amazon Product Advertising API

Every product by Amana is designed to meet customers’ needs and last longer than other units. The Amana AE183G35AX window unit is not an exception.

The AE183G35AX is best suited for commercial apartments. It can help business owners create a nice and comfortable environment for customers.

However, the AC unit can also be used in homes up to 1000 square feet in size. With 17,600 BTU cooling and 11,000 BTU heating capacity, this is one of the best window air conditioners with heat that provides effective comfort all year round.

It offers up to 3 fan speeds that you can select for any situation. In addition, the 4-way adjustable grille allows you to direct the air wherever it’s needed.

Furthermore, the evaporator and condenser coils’ hydrophilic coatings give better moisture removal, increased airflow, higher efficiencies, and longer compressor life.

Amana’s AE183G35AX air conditioner comes with programmable controls for convenient operation and easy installation.

The remote allows you to adjust temperature and fan speed from anywhere in the room. In addition, the slide-out polypropylene filter gives easy cleaning and replacement.

If you’re concerned about power usage, this unit has an EER rating of 10.8 which means it will significantly save you money.

Pros

  • Three cooling speeds, eco mode, and sleep mode.
  • Programmable timer
  • Great for the price

Click to Check Price


Best Window Air Conditioners with Heat Buyer Guide

Picking the right window AC unit with heat is totally different from buying the traditional window-mounted models that drive cool air only.

Therefore, we have created this guide to simplify your search for the best window air conditioner with heat that will suit your needs. 

So let’s start with the Why? 

Why a Window AC Unit with Heat Pump is a Good Investment

Typical window air conditioners cool the room. They are only used when the temperatures get unbearable in summer.

However, during the cold season, you’ll need an electric space heater to supplement your central unit or warm up a small room that you occupy. And that is an extra investment.

With window air conditioners with heat, you have control over your indoor environment all year round. But that’s not all you benefit from these types of units.

Here are the reasons why AC with heater makes a good investment

– Perfect for Small Spaces

If you rely on your central unit during the months with extreme temperatures, you’re aware that some rooms always require a little more time to reach the set temperature.

As a result, you end up closing them or spending a lot of electricity to cater for the extra time it takes for you to feel comfortable in these rooms.

Installing a window AC unit with heat is perfect for these small spaces, such as the upstairs rooms, converted garages, or attached guest house. This is because the unit cools/warms within a short period. 

– Quiet and Easy to Install

Some homeowners don’t prefer installing window air conditioners because of the loud noise they produce. However, things have changed, and window ACs are no longer noisy.

The quietest window air conditioner will make less white noise than the hum of an average refrigerator.

Also, installing a window air conditioning system is easy and costs less.. If you have a little homeowner’s DIY experience, it would be easy to follow the installation kit.

Just make sure they rest on a window sill and have a standard electrical wall outlet where you can plug the cord.

– Packed with Energy- and Money-Saving Features

Like many other types of air conditioners, window AC units have various energy and money-saving features.

One essential feature that makes new units more energy efficient to run than older models is the programmable thermostat.

It allows for easy temperature settings.

Before choosing an energy-efficient window air conditioner, you need to know the size that will perform well in your space.

A window air conditioner with heat should be powerful enough to remove the hot/cold air easily. However, if you select a small undersized unit, it will have to work twice as hard to cool/heat.

Therefore, it will take more time to reach your desired temperature settings, thus wasting energy. On the other hand, a large oversized window AC will cycle on and off more frequently than heating and cooling.

– Reduce Hazards

Unlike portable space heaters, a window AC unit with heat is safe to use. Why? Because there is less risk when using a window AC than a portable space heater.

Some of the things you need not do with a space heater are; leaving them unattended, running them in rooms with small children or pets, or spaces with potential dampness like bathrooms or kitchens.

Also, trailing cords can create tripping hazards. Moreover, you can use your window unit all year round. 

How to Choose the Best Window Air Conditioner with Heat 

Check the filterNow that you have decided that a window air conditioner with heat is a perfect unit for your home, how should you go about choosing one?

Well, many factors determine the unit you select. Here are the main factors to keep in mind before choosing the best window air conditioners with heat.

– Cost

What’s important is to find the right balance between what you can afford to pay and what you need.

Typical window air conditioner prices range between $100 to over $2,000, which is a huge difference. However, most low-end units have basic features and ideal for cooling/heating small spaces.

High-end window AC units cool large rooms and tend to have numerous features and functions. However, if you are looking for cheap and reliable options, you can check our review on cheap window air conditioners for under $100.

Apart from the initial purchase price, it would help if you considered how much it would cost to use the window unit. For example, what would be your electricity bills and maintenance costs over time?

Air conditioners have been found to use a lot of electricity. Most homeowners spend half of their total energy bills on heating and cooling. For that reason, investing in an Energy Star Certified model is paramount.

– Cooling Capacity

The cooling capacity of heating and air conditioner window units should be given at least as much weight in your consideration as the cost. To determine how powerful your AC should be, you need to measure the size of your space.

The amount of power a window air conditioner offers to remove hot air from your room is measured in British Thermal Units, or BTUs, per hour.

A unit with a high BTU rating is more powerful and performs effectively in large rooms. Conversely, low BTU ratings mean the air conditioner is less powerful and best suited for small areas.

The chart below will help you determine your ideal cooling capacity. Then, all you need to do is measure your space and choose the right amount of BTUs.

Look for the best window air conditioners for large rooms for slightly large areas that don’t need central air conditioning.

– BTU CHART BASED ON ROOM SIZE

Keep in mind that some factors will affect the distribution of cold air across the room. So, you need to take them into account as well. Some of them include:

  • Ceiling height: the estimates recommended above are ideal for rooms that have an 8-feet ceiling height. If your room’s ceiling height is more than 8 feet, you may want to increase the BTU level.
  • Sunlight: you need to increase your BTU power by 10 percent if your room is hot or receives direct sunlight.
  • The number of people occupying the room: it’s recommended that you add 600 BTUs for every person that occupies the room.
  • Kitchen: Add 4000 BTUs if you’ll be installing the system in the kitchen.

– Window Type

Window air conditioner with heat

Just from the name, you should install window air conditioners in a window. And before choosing one, you need to check the type of window you have.

Some can fit vertically or horizontally, while you can install others on sliding or casement windows.

We have reviewed some of the best casement window air conditioners on the market for these types of windows.

Avoid is installing a window air conditioner through the walls unless it has both window and wall installation options.

Window measurement is also important because most window AC unit manufacturers provide the maximum and minimum window sizes in the instruction manual. 

Last, consider window position. How far will it be from a power outlet?. Different models have different electrical requirements.

Powerful units will require a higher-voltage outlet, while a less powerful unit will operate off the standard household outlet.

Additionally, make sure the window you prefer to install your AC is in the shade to avoid energy waste.

– Energy Efficiency

It’s common for homeowners to experience an increase in their electricity bills when they decide to use an air conditioner.

This is because air conditioners use a lot of electricity, no matter what type you buy.

Amongst the different air conditioning options, windows ACs are not the most energy-efficient.

However, since they are designed to supplement your central air conditioning unit or cool small rooms, they may turn out to be more energy-efficient than a central cooling unit.

If you’re concerned about your window air conditioner’s potential energy usage, look for energy star-certified models.

These window Ac units have been proven to energy-efficient, using approximately 20 to 50 percent less power than others.

Another feature to check is the Energy Efficiency Ratio. It will help you determine how much electricity an air conditioner will require to cool a specific room capacity in an hour. The higher the EER rating, the more energy-efficient the air conditioner.

– Electrical Requirements

Unlike other common household appliances, window AC units are more powerful.

Therefore, you need to make sure your electrical system is designed to provide the proper voltage, or you risk blowing a fuse or the unit not working to its cooling or heating potential.

After choosing a specific model, check its specifications to determine its electrical requirements, including voltage, amps, and watts.

Many manufacturers list or picture the correct plug face type, and you can find it in its NEMA (National Electrical Manufacturers Association) classification.

Overall, 115-, 125- or 220-volt circuits will serve most room air conditioners perfectly. If the AC cooling capacity is below 15,000 BTUs, it can operate on standard residential (115- to 125-volt) circuits.

If more than 15,000 BTUs, it’s ideal to use 220-volt circuits. 

– Ease of Use and Maintenance

Somebody will have to control the window unit, whether it’s adjusting the thermostat, timer, or changing the fan speeds. 

For the most part, window air conditioners are easy to operate. However, if you are worried that a particular model’s controls may be complicated, it’s wise to choose another product.

Another vital factor to keep in mind is window ac maintenance and the cost involved. Find out how often you’ll need to clean the filter. 

Choose window air conditioners with a slide-out chassis because it makes the AC unit more accessible, allowing you to clean the window air conditioner without removing it.

If you’re looking for a connected device, some products come with Wi-Fi connectivity. The advantage of this unique feature is that you can connect the device to Google Assistant or Alexa.

– Durability

Window air conditioners don’t cost less. Therefore,  you must ensure you get the most out of the system in the long run.

Most window air conditioners have similar service lives, but their longevity depends on use, maintenance, and proper storage.

You can know a model is durable and reliable by checking the warranty offers. You want to make sure the warranty is extended enough, and the manufacturers offer to help you out with any fixes if need be.

Features of a Good Window AC with Heat

Some window air conditioners have extra features making them easy to use and maintain.

Most contemporary units have these features, but not all of them. So, check if your window AC has these features to improve your cooling and heating mode experience.

Window AC unit

  • Programmable Thermostat

A programmable thermostat allows you to set the unit for the precise temperature you want. This is important, especially if you like your room temperature at a specific level but don’t want your AC running all day long.

Once the temperature is reached, a shut-off feature will automatically cycle the unit on and off to maintain the selected temperature.

Most new units feature a digital display that shows you the preselected temperature and the actual temperature. This readout is convenient and maintains a more consistent temperature in the room.

If you decide to purchase a basic model, you’ll control the cooling output using a mechanical thermostat. This involves adjusting the temperature using a dial found on the control system.

  • Programmable Timer

A programmable timer gives you control over the amount of time you want the window AC to run. That means you can set a delayed start or stop time depending on what you want to achieve.

If you’re going to come to an already cool home, you can set the AC to run a few hours before you reach home. Also, you can set it to turn off when you leave for work.

Therefore, the unit only runs when you need to cool the room, helping you manage your energy consumption. An example is the Friedrich Chill that comes with a 24-hour timer. 

Programmable Thermostat in use

  • Remote

Air conditioners are fitted with control functions that make them easy to operate.  The remote control is one of these functions that offer you a more convenient operation.

The remote allows you to adjust the temperature, set the timer, select the operating mode without having to stir a step.

Some air conditioners have an inbuilt magnetic hold that ensures the remote is secure and neatly displayed where you want it.

  • Adjustable Fan Speed

You can take advantage of the fan mode to help blow the cold air from the air conditioner or circulate room air when cooling isn’t needed.

Whichever option you choose, the fan offers a variety of speeds that eventually affect the rate at which your rooms cool down.

Most window air conditioners will either have two fan speeds or three fan speeds. Keep in mind the fan speed you choose determines the level of noise produced.

On a hot summer day, you can use high fan speeds to cool the room quickly. However, when you’re sleeping, selecting low speed ensures your sleep is peaceful.

  • Energy Star Rating

Aside from the programmable thermostat and timer, another feature that can help you save power is the energy star rating. An energy-star-rated system can save up to 10-30 percent of your total cooling and heating usage.

  • Air Direction Control

You want to make sure the cold or hot air is blown in the right direction. A good AC should have adjustable louvers so you can manipulate the direction of the cool air from the system.

If your window air conditioner is installed in the living, make sure it is positioned strategically so that it cools or warms the room evenly. You should also optimize the airflow, especially in those spaces where you utilize a room or ceiling fan.

  • Filter Alert

Depending on the type of filter your AC uses, you need to be up-to-date with when you need to clean the filter. So, first find, find out if your system has a standard filter or washable filter.

Standard filters need to be replaced from time to time while washable can be cleaned and reused.

How To Install Window Air Conditioner Unit 

Window ac units must be installed properly for them to heat or cool properly.

This guide is a step-by-step guide on how to install a window AC through a window.

1. Choose the Right Location.

First, the right location is somewhere close to the room’s center and on the house’s shady side. Also, the system must be close to an outlet to avoid using an extension cord.

If you want to use an extension, make sure it is rated for window air conditioner use. Prepare and inspect the window and surrounding area.

Inspect if the window is in excellent condition. Damaged or rotting window sills and slashes need to be repaired before installing the unit. If not, the window may present a safety hazard should the unit fall.

The surrounding area should be free of obstacles, and anything that interferes with the installation process must be removed. In some cases, you may need to remove storm window frames and window screens entirely.

2. Install Brackets if Required

Depending on the windows you have and the unit you purchase, you may need to install a bracket that attaches to the outside of the house.

Use metal screws when installing these into metal frames or wood screws when installing into vinyl or wood.

3. Position and Secure the AC Unit in the Window Opening

Installing an AC

The window should be ready at this time, and you can place the system into the window opening. Before positioning the AC, read the owner’s manual to get an idea of the correct angle.

Most installation manuals will tell you to open the window to provide enough space for the placement. Next, the accordion panels must collapse inward to avoid interfering with the initial position.

After placing the system in the opening, lower the top sash to hold it in place. Once the unit is in the right position, the next step is to screw the accordion panels into the bottom slash.

But before that, make sure you expand the accordion panels outward into place to reach the edges of the window. Then then, drill pilot holes in the bottom of the slash to prevent the wood from splitting.

Next, if your system comes with angle brackets, you need to fasten them to prevent the window sash from moving upward after installing the air conditioner.

If there are no angle brackets, you can use stock to wedge between the window sash and frame.  Measure the length from the bottom of the window sash to the top frame of the window.

4. Weatherproofing and Insulation

When all is done, and the window is left open, you’ll see a gap between the two panes of glass.

Most window AC kit includes foam weather stripping that you can use to seal the opening. You can also purchase it from your local hardware store.

If you install the system on the side of the house that receives a lot of rain or wind, make sure you add caulk to the outside of the window.

This will improve the installation’s airtightness and keep any water, wind, and pests from getting through.

5. Ready to Plug it in

Your window air conditioner is ready for use. You must ensure that the power supply you intend to use is appropriately rated for the unit. Also, if you must use an extension cord, make sure that it’s appropriately rated.

Wrap Up

A lot of factors play a significant role when purchasing a window air conditioner with heat.

However, when you finally make a move to acquire window AC with heat, you’ll appreciate you made the right decision during a hot summer or cold winter day.

We hope this guide has enlightened you, and instead of going for the Central AC or regular window unit that only cools, you can shift to one with a heater so you can stay comfortable all year round.