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Picking the right window air conditioner with heat matters because these units handle both summer cooling and supplemental winter warmth in a single installation. The wrong size or feature set can leave you with poor temperature control, high energy use, or a system that struggles to heat a room on chilly days. This guide covers six shortlisted units we consider the best-fit options in the category, and explains the practical tradeoffs across efficiency, noise, capacity, and installation. Read on to see which features and specifications matter most for steady year-round comfort and straightforward upkeep.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | ROVSUN 12000 BTU Window AC |  |
| Best Quality Built to a higher standard if you want something more solid | Soleus Air 12,000 BTU Window AC |  |
| Best Value The sweet spot between price and what you get | TABU 12000 BTU Window Air Conditioner |  |
| Best Budget The cheapest option that still gets the job done reliably | Midea EasyCool 8000 BTU Window AC |  |
| Top Rated A top-rated pick with lots of positive feedback | Midea 12000 BTU Window AC with Heat |  |
| Most Popular A crowd favorite that many people choose with confidence | LG LW8016HR 7,500 BTU Window AC |  |
ROVSUN 12000 BTU Window AC
| Cooling Power | 12000 british thermal units |
|---|---|
| Floor Area | 550 square_feet |
| Control Method | App, Voice |
| Refrigerant | R-32 |
| Seasonal Energy Efficiency Ratio (SEER) | 12 |
The ROVSUN 12000 BTU window unit is a year-round window air conditioner and heater combo that cools, heats, dehumidifies, and circulates air for medium-to-large rooms. Typical use is simple: mount it in a standard single-hung window (26"–36" wide, 16" high), then control temperature and modes from the front panel, remote, or the smartphone app with optional voice commands. Notable features include five operating modes (Heat, Auto, Cool, Dry, Fan), three fan speeds, a washable front filter, a 24-hour timer and an ECO mode for energy-conscious runs. Practical benefits are flexible multi-season use and remote scheduling so you can arrive to a comfortable room, plus an included installation kit that speeds setup. Limitations include a non-inverter rotary compressor, which may run less efficiently and louder than inverter models, and a moderate SEER rating that reflects average energy performance. Also the unit is built to 230/208V power requirements, so confirm electrical compatibility before purchase.
Best for: Buyers who want a single window unit that handles both cooling and heating for a medium-to-large room and value smart controls and an included installation kit.
Less Ideal for: People seeking the quietest, most energy-efficient inverter-driven performance or those who need a 115V plug-and-play model should consider alternatives.
- Combined cooling and heating functions for year-round climate control
- WiFi and voice control plus remote and panel control for convenient operation
- Washable front filter and accessible panel for easy maintenance
- Includes installation window kit and remote for faster setup
- Non-inverter rotary compressor and average SEER mean lower efficiency compared with inverter units
- Specified for 230/208V models which may not match all household circuits
Verdict: Choose this unit if you want an affordable smart-controlled window AC that also provides heating and easy installation for medium-to-large rooms.
Soleus Air 12,000 BTU Window AC
| Cooling Power | 12000 BTU |
|---|---|
| Heating Capacity | 10,000 BTU |
| Refrigerant | R-32 |
| Power Source | Corded Electric |
| Control Method | App |
This Soleus Air window unit combines 12,000 BTU cooling with 10,000 BTU heating to work year-round in a single package. It uses an inverter compressor to vary speed for more efficient operation and quieter running, and the saddle mount design lets the cabinet straddle the wall for added stability in thicker walls. App control and Wi‑Fi let you change setpoints remotely and use sleep scheduling, while a washable activated carbon filter helps capture dust and odors. Practical benefits include lower runtime and smoother temperature control from the inverter, straightforward installation for up to very thick walls, and the convenience of remote control. Noise is listed at about 48 dB and the unit draws roughly 1220 watts, so it is not the quietest or lowest-power option available for very small rooms. Also the SEER of 13 is modest compared with premium models, and the unit may require a new outdoor unit per the product notes, which could complicate some installs.
Best for: Buyers who prioritize consistent temperature control and year-round performance and want a window unit that handles thicker walls and remote app control.
Less Ideal for: People seeking the highest seasonal efficiency or the quietest possible operation should consider higher-SEER or split-system alternatives.
- Combined cooling and heating for year-round use
- Inverter compressor provides variable-speed operation for more efficient and stable temperature control
- Saddle mount design fits extra-thick walls and improves stability without drilling
- Wi‑Fi app control for remote operation and scheduling
- Washable activated carbon filter for dust and odor capture
- SEER rating of 13 is average compared with higher-efficiency units
- Listed noise around 48 dB may be noticeable in very quiet rooms
- Product notes indicate requirement for a new outdoor unit which could add installation complexity
Verdict: A solid performance-focused window unit that delivers year-round heating and cooling with inverter efficiency and convenient Wi‑Fi control.
TABU 12000 BTU Window Air Conditioner
| Cooling Power | 12000 british thermal units |
|---|---|
| Floor Area | 550 square_feet |
| Voltage | 220 volts |
| Control Method | App, Remote, Voice |
The TABU 12,000 BTU window unit is a four-in-one climate appliance that cools, provides supplemental heat, removes humidity and circulates air in medium to large rooms. It installs in a standard double-hung window using the included kit and is controlled via the bundled remote, the TABU app or voice assistants for hands-off scheduling and adjustments. Notable features include multiple operating modes, a washable filter, adjustable louvers and a 24-hour timer and energy-saving mode to limit runtime. Practical benefits are straightforward installation without extra parts, smart controls for remote monitoring and combined season-round comfort so you do not need a separate heater for mild winters. Important limitations are that it is not an inverter design, so it uses steady compressor power, and the listed noise level around 51 dB and the unit power draw mean it is best suited as a primary cooling/secondary heating source rather than for very large open-plan homes or extremely cold climates.
Best for: Buyers who want a single window unit that covers cooling, basic heating and dehumidifying for a medium-to-large room and value easy installation and smart remote control.
Less Ideal for: People needing highly efficient variable-speed operation, very quiet performance for bedrooms under strict noise tolerance, or primary heating in very cold climates should consider other options.
- Four operating modes: cooling, heating, dehumidifier and fan provide year-round use
- Smart controls with app, remote and voice support for convenient remote operation and scheduling
- Includes full installation kit and remote for quick setup without extra purchases
- Washable filter and adjustable louvers make maintenance and airflow direction simple
- Non-inverter compressor design can be less efficient and noisier than inverter models
- Rated noise around 51 dB may be noticeable in very quiet rooms
Verdict: Choose this TABU unit if you want a single, easy-to-install window appliance that delivers year-round cooling, basic heating and smart remote control for rooms up to about 550 sq ft.
Midea EasyCool 8000 BTU Window AC
| Cooling Power | 8000 british thermal units |
|---|---|
| Floor Area | 350 square_feet |
| Refrigerant | R-32 |
| Noise | 45 db |
| Control Method | App, Remote, Voice |
The Midea EasyCool 8000 BTU window unit cools rooms up to about 350 sq ft while also offering dehumidification and a supplemental heat mode for shoulder seasons. It uses a variable-speed inverter compressor to reach target temperatures faster and reduce energy draw, and the included washable front filter is easy to access for maintenance. Controls are flexible: onboard buttons, a remote, app control and voice assistant support let you change temperature and modes from across the room or remotely. Noise is relatively low for a window unit, rated around 45 dBA, so it can run in bedrooms or offices without being disruptive. Practical limits include the heat pump only functioning above about 41°F outside and the requirement that your window meet the stated opening dimensions for installation. The unit comes with an installation kit and remote so setup is straightforward for most double-hung windows. For buyers who prioritize energy efficiency, smart control and multi-season comfort on a budget, this model covers the basics well.
Best for: Buyers looking to save on operating costs while getting a single window unit that cools, dehumidifies and provides occasional heat, and who value smart controls for convenient operation.
Less Ideal for: Homes that need heavy-duty heating in very cold climates, or rooms where the window opening does not meet the listed dimensions should consider other solutions.
- Smart controls with app and voice support for remote operation
- Inverter compressor for faster cooling and improved energy efficiency
- Provides both cooling and supplemental heat plus dehumidifier mode
- Washable front filter and included installation kit simplify upkeep and setup
- Heat pump mode stops working when outdoor temperature is 41°F or lower
- Requires a compatible double-hung window with specified opening dimensions
Verdict: A budget-friendly, energy-efficient window unit that combines inverter cooling, smart controls and supplemental heat for year-round comfort in medium-sized rooms.
Midea 12000 BTU Window AC with Heat
| Cooling Power | 12000 BTU |
|---|---|
| Floor Area | 550 square_feet |
| Noise | 45 db |
| Refrigerant | R-32 |
| Control Method | App, Remote, Touch, Voice |
The Midea 12,000 BTU window unit combines inverter cooling, dehumidification, and a supplemental heat pump into a single window-mounted appliance for large rooms. It installs in a standard double-hung window and is controlled via front-panel buttons, included remote, voice assistants, or the MSmartHome app for remote scheduling and adjustments. Notable features include variable-speed inverter technology for quicker temperature recovery and improved efficiency, Energy Star certification and a CEER of 13.3 for lower annual energy use, a washable front filter, and a quiet operating profile around 45 dBA. The heat pump extends use into cooler months, though it will not operate below about 41°F, so it is best as supplemental heat rather than a primary cold-weather furnace. Practical trade-offs include the need for a compatible window opening and roughly 115V power; installation hardware is included but proper mounting is required for a secure fit and optimal performance. For buyers wanting a single unit that covers cooling, dehumidifying, and light heating with app and voice control, this model is a solid, dependable pick.
Best for: A buyer who wants a reliable, year-round window unit that handles cooling, dehumidifying, and occasional heating with efficient inverter performance and remote control convenience.
Less Ideal for: Homes needing primary heating in cold climates or rooms without compatible double-hung windows should consider alternatives like a ductless mini split or central heat solutions.
- Inverter-driven compressor for faster, more efficient cooling
- Built-in heat pump adds supplemental heating for shoulder seasons
- Energy Star certified with a CEER of 13.3 for lower energy use
- Multiple control options: app, remote, touch panel and voice assistants
- Washable front filter and included installation kit for routine maintenance and setup
- Heat pump stops functioning below about 41°F, so not suitable as primary winter heating
- Requires a compatible double-hung window and sufficient vertical clearance for installation
Verdict: Choose this Midea 12,000 BTU window unit if you want an efficient, low-noise inverter air conditioner that also provides reliable supplemental heat and modern app/voice controls.
LG LW8016HR 7,500 BTU Window AC
| Cooling Power | 7500 BTU |
|---|---|
| Floor Area | 320 square_feet |
| Noise | 50 db |
| Refrigerant | R-410A |
| Control Method | Remote |
The LG LW8016HR is a compact window air conditioner that cools medium rooms and offers a supplemental heating option for shoulder seasons. It provides two cooling and fan speeds, a 24-hour timer, 4-way airflow deflection and an easy-install slide in-out chassis, with remote control and a digital display for simple day-to-day use. The washable filter and check-filter alert make maintenance straightforward, and auto-restart restores settings after power interruptions. Noise is relatively low at about 50 dB on low, so it is tolerable for bedrooms or living spaces. Efficiency is moderate with a SEER of 13 and R-410A refrigerant; the unit runs on standard 115V household power. Limitations are its basic speed options and modest heating performance—the supplemental heat is suitable for mildly cool days but not as a primary heater in cold climates. The unit is best when you want a reliable, easy-to-use window AC with occasional heat rather than a year-round heating solution.
Best for: Buyers who value straightforward, proven performance and want a unit that reliably cools a medium room with the option of occasional heat and easy maintenance.
Less Ideal for: People seeking a multi-speed, energy-optimized inverter model or those who need a primary heating solution for cold-weather regions should consider different options.
- Cools rooms up to about 320 sq ft with 7,500 BTU capacity
- Supplemental heat option adds usable warmth on cool days
- Washable filter and check-filter alert simplify maintenance
- Auto-restart restores operation and settings after power outages
- Remote control and digital display make operation convenient
- Only two fan/cooling speeds limits fine-grained airflow control
- Supplemental heat is not powerful enough for primary heating in cold climates
Verdict: Choose this LG unit if you want a dependable, easy-to-use window air conditioner that cools medium rooms and provides occasional supplemental heat.
Choosing the Right Window Air Conditioner with Heat: Key Factors to Consider
Correct Capacity for Room Size
Matching the unit s BTU rating to the room size is the single most important factor. A unit undersized for the space will struggle to reach setpoint in both heating and cooling modes, cycling constantly and wasting energy. An oversized unit will cycle on and off too quickly, causing temperature swings and reduced dehumidification during cooling.
For heating, consider that heat loss in winter can be greater than cooling load in summer, so plan for the worst-case room conditions like poor insulation, many windows, or high ceilings. Verify recommended room square footage ranges and prefer a slightly larger heating capacity if your space is drafty.
Seasonal Energy Efficiency
Energy efficiency affects operating costs across both modes. Look for units with clear efficiency ratings for cooling and for heat output at different outside temperatures. Seasonal ratings help estimate real-world energy use when the unit runs for long stretches. Features like variable-speed compressors or multiple fan speeds improve efficiency by matching output to demand.
Higher efficiency units often cost less to operate over a season, which can offset a higher upfront investment. Also consider programmable thermostats or smart controls that reduce runtime by avoiding unnecessary operation.
Heating Performance at Lower Temperatures
Not all window units provide the same heating effectiveness as outdoor temperatures drop. Heat strips or heat-pump-based designs perform differently when it s 30 F versus 50 F. Check manufacturer guidance on the lowest outdoor temperature at which the unit can maintain rated heating capacity.
If you plan to use the unit as primary supplemental heat in cold months, prioritize models with proven low-temperature performance. For occasional use, a unit that supplies moderate warmth at marginal outdoor temps may be acceptable.
Installation, Sealing, and Window Compatibility
Good installation ensures the unit performs as intended and prevents drafts and moisture intrusion. Confirm the unit s physical dimensions against your window opening and check whether additional trim, brackets, or support are required. A solid seal around the unit reduces heat loss and improves efficiency for both heating and cooling.
Consider how easy the unit will be to remove or store seasonally. Look for clear mounting instructions and included hardware to minimize the need for custom modifications.
Noise and User Comfort
Noise matters, especially in bedrooms or home offices. Evaluate reported decibel levels for both cooling and heating modes and whether there are quiet or low-power settings. Noise sources include the fan, compressor, and vibration against the window frame.
Features such as rubber mounting pads, multiple fan speeds, and adaptive fan control can reduce perceived noise. If you are noise-sensitive, prioritize units specifically rated for quieter operation.
Maintenance and Longevity
Accessible filters, easy coil cleaning, and availability of replaceable parts determine how long the unit will remain trouble-free. Units that allow simple filter removal without tools encourage regular maintenance, which preserves efficiency and indoor air quality.
Consider the expected lifespan and the ease of servicing the unit. Units with clear user service guides and commonly available parts are easier and cheaper to maintain over time.
Sizing Your Window Air Conditioner with Heat
Start by measuring the room s square footage and note special conditions such as high ceilings, many windows, or poor insulation. Use the manufacturer s recommended BTU ranges as a baseline, then adjust upward for heat loss factors when heating will be used frequently.
Remember that cooling and heating loads can differ. When in doubt, consult a simple sizing chart or an HVAC professional to avoid chronic under- or oversizing that undermines comfort and increases operating costs.
- Measure floor area and ceiling height
- Account for sun exposure and room insulation
- Adjust for occupants and heat-generating appliances
Understanding Heating Modes: Heat Pump Vs Electric Heat
Some units use a heat pump cycle to provide heat, which is more efficient at moderate outdoor temperatures, while others rely on electric resistance elements that produce steady heat regardless of outside conditions. Heat pumps may lose effectiveness as temperatures drop, whereas electric heat maintains output but at a higher energy cost.
Decide which tradeoff matters more for your climate and usage pattern. If you need reliable heat in consistently cold conditions, electric heat capability or a unit rated for low-temperature heat pump operation is preferable.
- Heat pump: higher efficiency in mild cold
- Electric heat: consistent output, higher energy draw
- Hybrid units: combine both strategies for flexibility
Controls, Thermostats, and Smart Features
A precise, responsive thermostat reduces temperature swings and limits unnecessary runtime. Look for units with easy-to-use digital controls, multi-stage settings, and timers. Some models include remote controls or Wi-Fi connectivity for scheduling and monitoring from a phone.
Smart controls can conserve energy by allowing temperature setbacks and runtime limits. However, reliable local controls are most important for everyday convenience and consistent comfort.
- Digital thermostat for tighter control
- Timers and sleep modes for energy savings
- Remote or smart control for convenience
Installation Tips to Maximize Efficiency
Take care to create a tight seal around the unit and use the recommended support brackets. An improperly supported or poorly sealed unit increases heat loss in winter and reduces cooling efficiency in summer. Weatherstripping and foam panels can fill gaps and reduce drafts.
Check that the unit s drainage path is clear and that airflow is unobstructed on the exterior. Proper tilt for drainage during cooling season and correct leveling for winter operation help prevent problems like water intrusion or ice buildup.
- Use mounting brackets and support as instructed
- Seal gaps with foam or weatherstripping
- Ensure clear exterior airflow and proper drainage
Troubleshooting Common Seasonal Issues
Condensation and frost can appear during heating operation if drainage or defrosting functions are inadequate. Regular filter cleaning and checking drain channels prevent moisture buildup and maintain airflow. If noise increases or airflow drops, inspect the filter and condenser coils for debris.
During cold snaps, closely monitor the unit for reduced heating output. Some units include automatic defrost or low-temperature operation modes; understand these features ahead of time so you can adjust expectations and controls when temperatures fall.
- Clean filters regularly to maintain airflow
- Inspect coils and drainage before seasonal use
- Know the unit s defrost features and low-temp limits
How We Chose the Best Window Air Conditioner with Heat
We focused on real-world performance metrics that matter for combined cooling and heating in a single-window appliance. Key evaluation criteria included heating capacity at low outside temperatures, cooling BTU relative to room size, seasonal energy efficiency ratings, and the quality of the thermostat and controls for stable comfort. We also considered installation complexity and mounting hardware, since a poorly mounted unit affects sealing, noise, and heat retention. Durability and ease of maintenance were factored in by looking at filter access, coil protection, and user-replaceable components. Finally, we assessed noise levels in both modes and the warranty or support terms typically offered for combined-function units. We excluded units designed only for cooling or those requiring ductwork, plus specialty commercial-grade models that are not practical for typical residential window installations. The resulting picks emphasize balanced performance across the listed dimensions and suitability for common home window sizes and seasonal needs.
Our full evaluation process is outlined in our review methodology.
FAQ
Can a window unit with heat be used as the primary heat source?
It depends. In mild climates or well-insulated rooms, a window unit with heat can serve as a primary supplemental heater. In colder climates or poorly insulated spaces, it may only be suitable for occasional use because heating capacity and efficiency decline as outdoor temperatures drop.
How do I size a unit for both cooling and heating?
Start with the room s square footage for the cooling BTU estimate, then review heating capacity notes and adjust for factors like insulation and window area. When heating demand is significant, choose a unit with higher rated heating capacity or verified low-temperature performance.
Will a unit with heat increase my energy bills a lot?
Running heat always increases energy use, but efficiency varies by technology. Heat-pump-based units use less electricity than pure electric resistance heat at moderate temperatures. Choose higher efficiency units and use programmable controls to limit runtime and manage costs.
Are there special installation steps for winter use?
Yes. Ensure the unit is well sealed to prevent drafts, verify proper support and drain setup, and confirm any defrost settings are functioning. Properly installed trim and weatherproofing around the unit improve winter performance and reduce heat loss.
How often should I clean or replace filters?
Filters should be checked monthly and cleaned or replaced as needed, especially during heavy use seasons. Regular filter maintenance preserves airflow, improves efficiency, and helps prevent strain on the unit s heating and cooling components.
Final Verdict
Choosing the right window air conditioner with heat means balancing room size, seasonal efficiency, and expected winter temperatures. Prioritize correct capacity and verified low-temperature heating if you plan to rely on the unit for regular winter warmth. Weigh noise, installation complexity, and maintenance needs against efficiency and heating performance to find the best fit for your space. With the right compromise among these factors, you can have an effective single-unit solution for year-round comfort.