8 Best Conventional Window Air Conditioners with Heat of 2026
Conventional window air conditioners with heat offer an affordable way to manage both summer cooling and fall chills. This guide details the key features and performance of eight top-rated models to consider for your home.
By Daniel Brooks
Updated October 7, 2026
Choosing a window air conditioner that also provides heat is a practical solution for year-round climate control in a single room. These conventional units offer a straightforward installation into a double-hung window and combine cooling, heating, dehumidifying, and fan functions. For those seeking a versatile and space-saving appliance, our guide to the best conventional window air conditioners with heat focuses on matching capacity to room size, energy efficiency, and operational noise. You can explore our broader selection of Window Air Conditioners for more options.
When evaluating these combo units, we prioritized models with clear specifications for room coverage and heating capabilities. It’s essential to confirm your window dimensions and household voltage before purchase, as these units require a dedicated electrical circuit. The following comparison table provides a quick overview of all eight products we reviewed.
All Products Compared
| Product | Best For | Cooling Capacity | Room Size | Noise | Notable Feature |
|---|---|---|---|---|---|
| LG 7,600 BTU Window Air Conditioner with Heat | Medium Rooms | 7,600 BTU | 330 Sq.Ft. | 52 dB (low) | Slide In-Out Chassis |
| ROVSUN 12000 BTU Window AC with Heat | Larger Rooms | 12,000 BTU | 550 Sq.Ft. | 59 dB | 4-in-1 Function |
| ROVSUN 8000 BTU Window Air Conditioner with Heat | Standard Rooms | 8,000 BTU | 350 Sq.Ft. | Not listed | Wi-Fi & Voice Control |
| ROVSUN 8000 BTU Inverter Window AC | Energy Savings | 8,000 BTU | 350 Sq.Ft. | 40 dB (sleep) | Inverter Technology |
| Keystone 18,800 BTU Window Air Conditioner with Heating | Very Large Rooms | 18,800 BTU | 1,000 Sq.Ft. | Not listed | High-Capacity Heating |
| ROVSUN 12000 BTU Window Air Conditioner with Heat | Larger Rooms | 12,000 BTU | 550 Sq.Ft. | Not listed | Wi-Fi & Voice Control |
| Midea 8,000 BTU Smart Inverter Air Conditioner | Quiet Operation | 8,000 BTU | 350 Sq.Ft. | 45 dBA | Energy Star Certified |
| Garvee 8000 BTU Window Air Conditioner with Heat | Multi-Season Comfort | 8,000 BTU | 350 Sq.Ft. | 52 dB | Smart App Control |
| Award | Product | WikiCooling Score About WikiCooling ScoreThe WikiCooling Score is our own rating from 0 to 10, based on the criteria described on our How We Review page. It reflects research, not laboratory measurement, and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | |
|---|---|---|---|
| Best Premium |
LG 7,600 BTU Window Air Conditioner with Heat
|
8.0/10 | Buy |
| Best Value |
ROVSUN 12000 BTU Window AC with Heat
|
7.8/10 | Buy |
ROVSUN 8000 BTU Window Air Conditioner with Heat
|
7.8/10 | Buy | |
ROVSUN 8000 BTU Inverter Window AC
|
7.8/10 | Buy | |
Keystone 18,800 BTU Window Air Conditioner
|
7.5/10 | Buy | |
|
ROVSUN 12000 BTU Window Air Conditioner with Heat
|
7.2/10 | Buy | |
| Best Budget |
Midea 8,000 BTU Smart Inverter Window Air
|
8.0/10 | Buy |
| Best Overall |
Garvee 8000 BTU Window Air Conditioner with Heat
|
8.6/10 | Buy |
LG 7,600 BTU Window Air Conditioner with Heat
This LG window air conditioner provides both cooling and supplemental heat for medium rooms up to 330 square feet. It operates at sound levels as low as 50 dB, has two cooling and fan speeds, and includes a remote control for easy adjustments. The auto restart feature ensures the unit resumes operation after a power outage, making it a convenient year-round comfort solution.
Pros
- Cools and heats from a single window unit
- Quiet operation at 50 dB
- Auto restart after power outage
- Easy slide-in installation included
- Remote control for convenient adjustments
Cons
- No inverter compressor for variable speed
- Heavy at 69 pounds
- Only two fan and cooling speeds
ROVSUN 12000 BTU Window AC with Heat
This 12000 BTU window unit combines cooling, heating, dehumidifying, and fan functions for year-round comfort in medium rooms up to 550 sq ft. It offers multiple modes and a remote, but some users report significant noise from the compressor.
Pros
- Quick cooling and heating with powerful compressor
- Multiple operating modes (Cool, Heat, Dry, Fan, ECO, Sleep)
- Easy installation with included window kit
- Washable slide-out filter for simple maintenance
Cons
- Compressor noise at 63 dB may be disruptive in quiet settings
- Requires 208/230V outlet, not standard 115V household power
- Some user reports of cooling defects or unit not blowing cold air
ROVSUN 8000 BTU Window Air Conditioner with Heat
This 8000 BTU window air conditioner from ROVSUN also provides 4000 BTU of heating, making it a year-round solution for rooms up to 350 square feet. With WiFi and voice control via Alexa/Google Assistant, it offers convenient smart home integration. It suits users seeking a budget-friendly, multi-function window unit with heat.
Pros
- Cools and heats up to 350 sq ft
- WiFi and voice control compatible
- Quiet operation at 57 dB
- Washable filter for easy maintenance
- One-year warranty included
Cons
- Remote control lacks backlight
- Heating performance reported inconsistent
- No inverter for variable speed operation
ROVSUN 8000 BTU Inverter Window AC
This window air conditioner delivers 8000 BTU cooling and 8400 BTU heating with inverter technology for 35% energy savings. It supports WiFi and voice control, operates quietly at 40 dB, and fits windows 24.5 to 36 inches wide.
Pros
- Inverter compressor provides 35% more energy savings with a 13.2 CEER rating
- WiFi-enabled with app and voice control (Alexa/Google Assistant)
- Ultra quiet operation at 40 dB in sleep mode
- Fast cooling and heating covering up to 350 sq. ft.
- Easy slide-in installation with included side panels
Cons
- Some units missing side tracks for closing window opening as noted in user reviews
- Cool/ECO mode should not be used below 32°F, heat mode below 5°F
- Minimum window height requirement of 14.5 inches may limit fit
Keystone 18,800 BTU Window Air Conditioner
This Keystone window unit delivers 18,800 BTU cooling and 16,000 BTU supplemental heating for large rooms up to 1,000 sq ft. It requires a dedicated 230V outlet and includes a remote with room temperature sensing. Suitable for year-round comfort in apartments or living rooms where primary heating exists.
Pros
- Powerful cooling for large spaces
- Supplemental heating for cool days
- Remote with room temperature sensing
- Energy saver and sleep modes
- Washable filter for easy maintenance
Cons
- Requires special 230V outlet
- Supplemental heat only above 23 degrees
- Heavy at 117 pounds for installation
ROVSUN 12000 BTU Window Air Conditioner with Heat
Offering both cooling and heating in one window unit, the ROVSUN 12000 BTU model covers rooms up to 550 square feet. It includes WiFi and voice control for convenient operation. This unit is a good fit for year-round climate control in medium-sized spaces.
Pros
- Dual heating and cooling
- Smart controls via app and voice
- Covers medium rooms up to 550 sq ft
- Easy filter access
- Multiple operating modes
Cons
- No inverter compressor
- Heavy at 78 lbs
- Potential control sync issues
Midea 8,000 BTU Smart Inverter Window Air
This Midea window unit combines cooling, heating, and dehumidification for year-round comfort in rooms up to 350 square feet. Its inverter compressor and smart controls deliver quiet, energy-efficient operation, while the heat pump provides supplemental warmth when outdoor temperatures stay above 41°F.
Pros
- Quiet operation at 45 dB
- Energy Star certified with inverter technology
- Smart app and voice control
- Heating and dehumidifier functions
- Washable filter for easy cleaning
Cons
- Heat pump only works above 41°F
- Heavy at 56 pounds, may need help installing
- Fits only double-hung windows
Garvee 8000 BTU Window Air Conditioner with Heat
This 4-in-1 window unit delivers 8000 BTU of cooling and supplemental heating for rooms up to 350 square feet. Its smart app and voice control, plus a quiet 52 dB operation, make it a convenient choice for year-round comfort. Ideal for apartments and bedrooms where space and noise matter.
Pros
- 4-in-1 cooling, heating, dehumidifying, fan
- Smart app and voice control
- Quiet 52 dB operation
- Washable filter with clean alert
- Includes installation kit
Cons
- No inverter compressor
- Heavy at 81.4 pounds
- Only fits windows 26-36 inches wide
Top 3 Conventional Window Air Conditioners with Heat Reviewed
#1 LG 7,600 BTU Window Air Conditioner with Heat: Best Overall
Why We Picked It
The LG 7,600 BTU unit earns the top spot for its balanced combination of reliable brand engineering, effective supplemental heating, and user-friendly features. Its slide-in-out chassis design simplifies installation and maintenance, a significant advantage for a conventional window unit. The auto-restart function and low 52 dB noise level in low mode make it a practical and unobtrusive choice for consistent year-round comfort.
Key Specifications
- Cooling Capacity: 7,600 BTU
- Room Size: Cools up to 330 Sq.Ft.
- Noise Level: As low as 52 dB (low mode)
- Voltage: 115V
- Features: Supplemental heat option, 2 fan speeds, 24-hour timer, auto restart
| Pros | Cons |
|---|---|
|
|
Best For
This model is best for users in medium-sized rooms up to 330 square feet who prioritize straightforward reliability, easy maintenance, and quiet operation from a trusted brand. Check the latest details for the LG 7,600 BTU Window Air Conditioner with Heat.
#2 ROVSUN 12000 BTU Window AC with Heat: Best for Larger Rooms
Why We Picked It
We selected the ROVSUN 12,000 BTU model for its high cooling capacity suited for spaces up to 550 square feet, making it a standout for larger living rooms or open-plan areas. Its 4-in-1 functionality provides comprehensive all-season climate control. The unit offers a balance of power and essential features like a 24-hour timer and energy-saving mode at a competitive point.
Key Specifications
- Cooling Capacity: 12,000 BTU
- Room Size: Cools up to 550 Sq.Ft.
- Noise Level: 59 dB
- Voltage: 208/230V
- Features: Cooling, heating, dehumidifier, fan modes, remote control
| Pros | Cons |
|---|---|
|
|
Best For
This unit is best for cooling and providing supplemental heat in larger rooms up to 550 square feet that have the required 208/230V electrical connection. Find the ROVSUN 12000 BTU Window AC with Heat for more information.
#3 ROVSUN 8000 BTU Window Air Conditioner with Heat: Best for Smart Control
Why We Picked It
This ROVSUN 8,000 BTU unit pairs heating with modern features like Wi-Fi and voice control. Its 4,000 BTU heating function and coverage for rooms up to 350 square feet meet the needs of most standard bedrooms and living rooms. The inclusion of a detailed installation kit and a one-year warranty adds to its overall value proposition.
Key Specifications
- Cooling Capacity: 8,000 BTU
- Heating Capacity: 4,000 BTU
- Room Size: Up to 350 Sq.Ft.
- Voltage: 115V
- Features: Wi-Fi, voice control (Alexa/Google), 5 modes, 24H timer
| Pros | Cons |
|---|---|
|
|
Best For
This model is best for buyers seeking smart home integration and effective cooling with supplemental heating for rooms up to 350 square feet. Learn more about the ROVSUN 8000 BTU Window Air Conditioner with Heat.
How to Choose a Conventional Window Air Conditioner with Heat
Match Cooling Capacity to Your Room
Selecting the correct BTU (British Thermal Unit) cooling capacity is the most critical step. An undersized unit will run constantly without cooling the room effectively, while an oversized unit will short-cycle, leading to poor humidity removal and wasted energy. Always use the manufacturer’s stated room size recommendation as your primary guide.
ENERGY STAR publishes this general guide for sizing a room air conditioner by floor area:
| Room Size (sq ft) | Cooling Capacity (BTU/hr) |
|---|---|
| 100 to 150 | 5,000 |
| 150 to 250 | 6,000 |
| 250 to 300 | 7,000 |
| 300 to on350 | 8,000 |
| 350 to 400 | 9,000 |
| 400 to 450 | 10,000 |
| 450 to 550 | 12,000 |
| 550 to 700 | 14,000 |
| 700 to 1,000 | 18,000 |
Adjust for your room: reduce capacity by 10 percent for a heavily shaded room, increase it by 10 percent for a very sunny room, add 600 BTU for each regular occupant beyond two, and add 4,000 BTU if the unit cools a kitchen. Source: ENERGY STAR.
Understand Heating Functionality
The heating function in these units is typically supplemental, not a primary heat source. It is designed to extend comfort into the fall or provide a boost on cooler days. Check the manufacturer’s specifications for the minimum outdoor temperature at which the heat pump can operate effectively; many units cannot produce heat in freezing conditions.
Check Window Fit and Electrical Requirements
Measure your window opening carefully, noting both the width and minimum height required by the unit. Most conventional window ACs are designed for double-hung windows. Equally important is verifying your home’s electrical supply. Smaller units often use standard 115V outlets, while higher-capacity models over 12,000 BTU usually require a dedicated 208/230V circuit.
Evaluate Noise and Efficiency
For bedrooms or quiet spaces, seek out models that list a low decibel (dB) rating, ideally below 55 dB. Units with inverter compressor technology, like the Midea and one ROVSUN model here, often run quieter and more efficiently. Look for the ENERGY STAR certification and a high CEER rating to ensure lower energy consumption over the season.
Consider Controls and Smart Features
Basic units offer control via a front panel and included remote. Many modern models add Wi-Fi connectivity and voice control through Alexa or Google Assistant, allowing you to adjust settings remotely. Features like programmable timers, sleep modes, and auto-restart add convenience and can contribute to energy savings.
How We Evaluate Conventional Window Air Conditioners
Our evaluation is based on a detailed comparison of manufacturer specifications and listing information for each product. We prioritize factors most relevant to a conventional window air conditioner with heat: accurate cooling and heating capacity for the stated room size, energy efficiency ratings, operational noise levels, and the completeness of the installation kit. We also consider the value offered by included features like smart controls and warranty coverage. We strongly advise readers to confirm the exact capacity, electrical requirements, and window dimensions for their specific situation before purchasing any unit.
Frequently Asked Questions
Can a window AC with heat replace my furnace?
No, the heating function in these units is supplemental. It is not designed to be a primary heat source for an entire home, especially in climates with freezing winter temperatures. Always check the manufacturer’s specified minimum outdoor operating temperature for the heat mode.
How do I know if a unit will fit my window?
You must measure the width and height of your window opening and compare it to the unit’s required window range listed in the specifications. Most models require a minimum vertical opening of 14 to 16 inches. The product manual will provide exact installation dimensions and instructions.
Do I need a special electrical outlet?
It depends on the unit’s voltage. Models labeled 115V can typically plug into a standard household outlet, though they often require a dedicated circuit. Models labeled 208/230V require a special outlet like those used for electric dryers or ovens. Always check the listed voltage and amperage before purchase.
What does “Inverter” technology mean?
Inverter technology allows the compressor to run at variable speeds rather than simply turning on and off. This leads to more precise temperature control, quieter operation, and significantly higher energy efficiency, as the unit uses only the power needed to maintain the set temperature.
How important is the noise level rating?
Noise level is crucial if you plan to install the unit in a bedroom, home office, or living area where quiet is valued. Look for a decibel (dB) rating; a unit operating below 55 dB is generally considered quiet. Sleep modes often reduce fan speed and noise further for nighttime use.
Final Verdict
The LG 7,600 BTU Window Air Conditioner with Heat stands as our best overall choice for its reliable performance, user-friendly slide-out chassis, and effective supplemental heating for medium rooms. For those needing to cool larger spaces up to 550 square feet, the ROVSUN 12000 BTU Window AC with Heat offers the necessary power. The key to satisfaction with any conventional window AC unit with heat is verifying its capacity matches your room size and that your window and electrical supply meet its specific requirements.
About the author
Daniel Brooks is a home cooling editor at WikiCooling, covering window, portable, through-the-wall and mini-split air conditioners, fans, and dehumidifiers. He researches cooling capacity, energy efficiency, noise levels, installation requirements, and buyer feedback to help homeowners choose the right unit for their room size, climate, and budget.