Imagine this: It’s a crisp autumn morning, perfect for a cozy sweater, but your living room is still a bit chilly. You love the convenience of your window air conditioner, but you dread switching to that clunky, inefficient space heater. Does having one unit that can both cool you down in summer and warm you up when the temperature drops sound like a dream?
Choosing a window air conditioner with a built-in heat pump is becoming incredibly popular, but the market is flooded with confusing ratings and features. You worry about high energy bills, whether the heat will actually be effective, and how difficult installation will be. Finding the right balance between powerful cooling and efficient heating can feel like solving a complicated puzzle.
This guide cuts through the noise. We will break down exactly what to look for, from BTUs to energy efficiency ratings. By the end of this post, you will know exactly which features matter most for your home and budget. Get ready to discover the perfect year-round climate solution for your window space!
Top Window Air Conditioner With Heat Recommendations
- AC Heater Combo Window Unit: For cooler days, use the supplemental heat option to add warmth to your space; Install the ac heater unit at the window to maintain a steady temperature in your bedroom or office
- Multiple Fan Speeds: The window air conditioner with heat has 2 cooling, heating and fan speeds that allow you to customize your cooling or heating and adjust the air flow to suit your needs
- AC Heater Window Unit with Low Noise Performance: The LG heat and air window unit operates at sound levels as low as 52dB (in low mode) eliminating unnecessary noise; Get a good night's sleep and work without distraction with this ac and heat window unit
- Auto Restart: After a power failure, the Auto Restart feature will automatically turn the ac and heating unit back on when power is restored
- Cools Rooms up to 330 Square Feet: This heat and air window unit is ideal for cooling medium rooms (16' X 20''); With 330 square feet cooling coverage, keep your bedroom or office comfortably cool with this ac
- 【Quick Cooling & Heating】The 8,000 BTU window air conditioner & 4,000 BTU heater is ideal for cooling compact rooms up to 350 square feet. Quickly cool your room such as home, office or apartment
- 【Easy to Operate】Operating this air conditioner & heater combo is an easy-to-understand and enjoyable cooling experience (61°F - 88°F). We can set all functions (fan speed selection, 24-hour timer, ECO mode, automatic mode and fan mode) on the LED digital display or remote control
- 【Easy to Assemble】The included side panels and other mounting parts can save you a lot of assembly time. Detailed instruction manual makes assembly easy in a short time (please confirm window size before purchasing)
- 【Energy Saving】This 115V/60Hz energy-saving air conditioner uses a high-quality compressor for more efficient cooling and longer working life; environmentally friendly design, allowing you to save money
- 【Quiet Operation】With noise levels as low as 52 dB, this window air conditioner lets the fan cool your space at a gentle volume without disturbing your surroundings. Whether you're watching your favorite TV series, reading a good book, or sleeping, this air conditioner will help you relax better!
- Low Noise Performance: Operates at sound levels as low as 50dB (in low mode) eliminating unnecessary noise
- Supplemental Heat: For cooler days use the supplemental heat option to add warmth to your space
- Multiple Fan Speeds: 2 cooling, heating and fan speeds allow you to customize your cooling or heating
- Auto Restart: After a power failure, Auto Restart will automatically turn the unit back on when power is restored
- Cools Rooms up to 570 Square Feet: LW1223HR is ideal for cooling medium rooms (19' X 30')
- Multi-Season Comfort - This Midea 12000 BTU air conditioner is better than standard ac units. It will beat the heat in summer with powerful cooling and dehumidification and keep you warm through the fall with supplemental heat. Best for large rooms up to 550 square feet. NOTE: heat pump function will not work if outside temp is 41°F or below..Control Type : Electronic.
- Easy To Use – This air conditioner and heat unit comes with an LED display, 5 Modes (Heat, Auto, Cool, Dry, Fan), 3 speed settings (Auto/H/M/L), 24-hr Timer, and ECO energy saver. The Swing button adjusts the louvers up/down to direct the airflow. Wireless control enabled window ac with heat unit from anywhere with the SmartHome App, or with your voice via Alexa and Google Assistant. All functions can be set via the control panel, remote control, and app or voice assistant.
- Save Energy Being Cool – Save on energy costs and enjoy ultimate comfort with this energy star certified unit. This energy efficient air conditioner unit is engineered with variable-speed inverter technology that will quickly cool your bedroom or apartment space while using considerably less electricity; up to 35% energy savings compared to the Energy Conservation Standard. Cooling 12,000 BTUs, CEER 13.3, 115V, UL listed, Automatic Shutoff and Defrost Control. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance.
- Ultra Low Noise Performance – This ac window unit operates at a noise level as low as 45 dBA. It’s such a quiet air conditioner that you will barely notice it, even when it’s on high. Enjoy your Zoom call, watch your favorite TV show, have a conversation. This ac unit for bedroom also creates just the right amount of white noise so you can get some rest.
- Install Specs – This window air conditioner is designed to fit double hung windows with opening widths of 24 to 38.5 inches. Lower sash must open sufficiently to allow a clear vertical opening of 14.5 inches. AC window unit measures 19.41"W x 22.17"D x 13.9"H. Included components: 12000 btu window air conditioner, remote control, installation kit. This ac heater combo window unit is as a close as you can get to a mini split a/c. You may like it so much you just might buy two!
- ✔ Fast Cooling & Heating: Dive into an all-season solution with our window AC and heater system, this 8000BTU unit featuring air conditioning, 4000BTU heating, dehumidifier & fan function for ideal climate control of room up to 350 square feet. Perfect choice for your room like home, office, or apartment
- ✔ Considerate Designs: This air conditioner & heater unit comes with an LED display, 5 modes (Heat, Auto, Cool, Dry, Fan), 3 speeds (Auto/H/M/L), 24H Timer and ECO energy-saver. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance. The swing button adjusts the louvers to direct the airflow. Easily create the perfect environment for multi-seasons
- ✔ WIFI-Enabled & Voice Control: Beside of the panel & remote control, seamlessly integrate with phone APP or voice control (works with Alexa/Google Assistant); Set routines for optimal temperature changes allows you to adjust your window air conditioner from anywhere so that you can enjoy endless comfort immediately once arriving home
- ✔ Simple Installation: Included with side panels and other installation parts save you a lot of assembly time. A detailed instruction manual makes assembly easily done in a short period (windows width: 26" - 36"; window height: 16")
- ✔ 100% Satisfaction: We do cover 1 year warranty on this ac unit, any questions about it, please don't hesitate to contact us at any time for getting a satisfied service. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us
- EFFICIENT COOLING: 5000 BTU cooling capacity ideal for rooms up to 150 sq. ft. - perfect for bedrooms, home offices, or small living spaces. Two-in-one functionality with cooling and fan-only modes
- SMART MAINTENANCE: Equipped with an easy-access, washable filter that captures dust and allergens.
- CUSTOMIZABLE COMFORT: Features 7 precise temperature settings, 2-speed cooling and fan modes, and 2-way air direction control for personalized comfort
- QUIET OPERATION: Low noise level up to 56 dB creates a peaceful environment suitable for sleeping and working
- QUICK INSTALLATION: Fits standard windows 23"-36" wide and minimum 13" high. Comes with expandable side panels and complete mounting kit. Basic tools required for installation (screwdriver not included)
- Low Noise Performance: Operates at sound levels as low as 50dB (in low mode) eliminating unnecessary noise; Work without distraction and get a good night's sleep with this ac heater combo window unit
- Window Air Conditioner with Heat: For cooler days, use the supplemental heat option to add warmth to your space; Install the ac and heating unit in the window to maintain a steady temperature in your living room, den, bedroom, or office
- AC and Heat Window Unit with Auto Restart: After a power failure, the Auto Restart function will automatically turn the heat and air window unit back on when power is restored
- Multiple Fan Speeds: This ac heater window unit has 2 cooling, heating and fan speeds that allow you to customize your cooling or heating and adjust the air flow to suit your needs
- Cools Rooms up to 1400 Square Feet: LW2423HR is ideal for cooling medium rooms (22' X 25'); With 1400 square feet cooling coverage, keep your living room, den, bedroom, or office comfortably cool year-round
- 8,000 BTU cooling, 3,500 BTU 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.
- Installation hardware and weather seals included; Coverage area: 350 sq. ft. (cool)
Your Smart Guide to Buying a Window Air Conditioner with Heat
A window air conditioner with heat is a fantastic appliance. It keeps you cool in the summer and warm in the chilly months. This guide helps you pick the best one for your home. It covers what to look for and what makes a unit last longer.
Key Features to Look For
Cooling and Heating Power (BTUs)
You must match the unit’s power to your room size. This power is measured in BTUs (British Thermal Units). More BTUs mean more cooling or heating power. Small rooms need fewer BTUs. Large rooms need more. Check the manufacturer’s chart to find the right size for your space.
Energy Efficiency Ratings
Look for high Energy Efficiency Ratios (EER) for cooling and Heating Seasonal Performance Factors (HSPF) for heating. Higher numbers mean the unit uses less electricity. This saves you money on your power bills. Energy Star certification is a good sign of efficiency.
Noise Level (Decibels – dB)
Window units can sometimes be loud. Check the decibel (dB) rating. Lower numbers mean quieter operation. If you plan to use it in a bedroom or office, aim for a unit under 55 dB.
Thermostat and Controls
Digital controls offer more precise temperature settings than older dial types. Programmable timers let you set the unit to turn on or off automatically. Remote controls add convenience, so you do not have to get up to change the settings.
Important Materials and Build Quality
- Coils: Look for copper coils instead of aluminum. Copper lasts longer and handles temperature changes better.
- Casing: The outer casing should be made of durable, weather-resistant plastic or metal. This protects the inner parts from rain and sun.
- Filters: Washable and reusable air filters improve air quality and reduce replacement costs.
Factors That Improve or Reduce Quality
What Makes a Unit Better?
Units with inverter technology run more smoothly. Inverter compressors adjust their speed instead of turning fully on and off. This saves energy and keeps the temperature steady. Good sound insulation also boosts the overall quality.
What Lowers the Quality?
Cheap plastic parts break easily. Units without proper insulation vibrate more, making them loud. If the installation kit feels flimsy, the unit might not seal well against the window, leading to air leaks and wasted energy.
User Experience and Use Cases
Installation Ease
Most window units come with an installation kit. Read reviews to see how easy it is to mount the unit securely in a standard window. A difficult installation can be frustrating.
Heating Performance in Cold Climates
Remember that the heating function is often a heat pump. Heat pumps work best when the outside temperature is above freezing (around 40°F or 5°C). If you live where it gets very cold, the unit might switch to a less efficient electric resistance heater, or it might not heat effectively at all.
Year-Round Comfort
This appliance is perfect for apartments, dorm rooms, or additions where installing central HVAC is too expensive. You get both cooling and supplemental heating from one compact machine.
10 Frequently Asked Questions (FAQ)
Q: How much more electricity does the heat setting use than the cool setting?
A: The heat setting (heat pump) generally uses more electricity than the cooling setting when the outside temperature is mild. However, it is usually much more efficient than using a standalone electric space heater.
Q: Can I use this unit if my window doesn’t open vertically?
A: Most standard window AC units are designed for double-hung (vertical sliding) windows. You might need a special mounting kit or a different type of unit (like a portable AC) for horizontal sliding windows.
Q: Do I need to remove the unit in the winter?
A: No, most modern window AC/heat units are built to withstand winter weather. You only need to ensure the exterior cover is secure to prevent moisture buildup.
Q: What is the minimum outside temperature for effective heat pump operation?
A: Most standard models work well down to about 40°F (5°C). Below that, efficiency drops significantly, and some units stop using the heat pump altogether.
Q: How often should I clean the air filters?
A: You should clean the reusable filters at least once a month during heavy use seasons (both summer and winter).
Q: Will this unit heat my entire house?
A: No. Window units are designed to heat or cool the room they are in. They provide supplemental heat, not whole-house heating.
Q: Is installation difficult for a beginner?
A: Installation involves securing the unit in the window frame and attaching side panels. While manageable, it requires basic tools and care to ensure a tight seal against weather.
Q: What is the warranty usually like for these combination units?
A: Most manufacturers offer a one-year warranty covering parts and labor. The sealed system (compressor and coils) often has a longer warranty, sometimes five years.
Q: Do I need special electrical wiring for the heat function?
A: Most standard 10,000 to 14,000 BTU units plug into a regular 115V outlet. Larger, more powerful units might require a dedicated 230V circuit, so always check the amperage requirement.
Q: How does the dehumidifier function work?
A: The cooling process naturally removes moisture from the air. Many units have a dedicated “Dry” mode that runs the compressor intermittently to focus only on removing humidity without drastically lowering the room temperature.