Best 6 Window Air Conditioner with Heat 2025

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Humans have been coming up with ways to keep themselves cool or warm for thousands of years. While we no longer have to harvest ice or start fires in a cave, there are still dozens of systems and devices geared to keep you comfortable throughout the year. That includes portable systems, which have been around since the 1930s.

Window air conditioning systems aren’t as portable as a fan, but they are more powerful and actually cool the air, instead of simply recirculating it. They are also more affordable than a central air conditioning system, although the best window air conditioners with heat tend to bring a premium for the additional functionality.

Buying a window AC unit with heat isn’t as simple as choosing a traditional model as well. The goal of our guide is to simplify this process, which will help you find the best system to suit your household’s needs.

Best Window Air Conditioners with Heat

We’ve carefully evaluated and selected the top window air conditioners with heat functionality. These dual-purpose units offer efficient cooling during summer months and provide supplemental warmth when temperatures drop, making them versatile choices for year-round comfort. Our list includes models with various features and capacities to suit different room sizes and preferences.

ROVSUN 4-in-1 Window AC

We recommend this versatile window unit for its year-round comfort in small to medium rooms.

Pros

  • Cooling and heating functions
  • Multiple operating modes
  • Easy installation

Cons

  • Limited coverage area
  • Potentially noisy operation
  • May struggle in extreme temperatures

The ROVSUN 4-in-1 Window AC offers 8000 BTU of cooling power and 4000 BTU of heating capacity. It’s designed for spaces up to 350 square feet, making it suitable for bedrooms, small apartments, or offices.

This unit stands out with its versatility. Beyond cooling and heating, it includes dehumidifying and fan modes. The ECO and sleep settings help conserve energy during extended use.

Installation is straightforward with the included window kit. The digital display and remote control allow for easy temperature adjustments between 61°F and 88°F. While it’s a solid choice for year-round comfort, larger spaces may require a more powerful unit.

Whirlpool Window AC with Heat

We recommend this versatile Whirlpool unit for its efficient cooling and supplemental heating capabilities in spaces up to 350 square feet.

Pros

  • Powerful 8,000 BTU cooling with 4,000 BTU heat
  • Multiple modes for customized comfort
  • Easy-to-use remote control

Cons

  • Not suitable as primary heat source
  • May be loud for light sleepers
  • Installation can be challenging

This Whirlpool model offers impressive versatility with its cooling and heating functions. The 8,000 BTU capacity effectively cools rooms up to 350 square feet, while the 4,000 BTU supplemental heat takes the chill off during milder cold spells.

We appreciate the range of comfort options, including three cooling speeds, Eco mode, and Sleep mode. The 24-hour programmable timer adds convenience, letting users set their preferred cooling schedule. The included remote control makes adjustments a breeze from anywhere in the room.

The unit’s washable filter helps maintain air quality by trapping dust and debris. While it excels at cooling, the heating function is best suited for occasional use rather than as a primary heat source. Some users may find the noise level noticeable, especially in quieter environments.

LG Smart Window AC with Heat

We recommend this LG window unit for its versatile cooling and heating capabilities, smart features, and convenient remote control.

Pros

  • WiFi-enabled with voice control
  • Cooling and supplemental heating
  • Easy installation and maintenance

Cons

  • May be noisy at higher settings
  • Relatively heavy unit
  • No Energy Star certification

The LG LW8023HRSM offers a comprehensive solution for year-round comfort. Its 7,600 BTU cooling capacity efficiently cools rooms up to 330 square feet, making it ideal for bedrooms or small living spaces.

We appreciate the smart features, including LG ThinQ technology and compatibility with Amazon Alexa and Google Assistant. This allows us to control the unit remotely via smartphone or voice commands, adding a layer of convenience to temperature management.

The inclusion of a supplemental heating function sets this model apart from standard window ACs. It’s particularly useful during transitional seasons when full heating isn’t necessary but a bit of warmth is welcome.

Keystone Window AC with Heat

We recommend this versatile Keystone unit for its powerful cooling and supplemental heating capabilities in large spaces.

Pros

  • Cools and heats rooms up to 1000 sq ft
  • Smart remote with built-in thermostat
  • Energy-saving modes

Cons

  • Heating not suitable as primary source
  • Relatively noisy at 55 dB
  • May require separate wall sleeve

This Keystone model offers impressive 18,000 BTU cooling and 16,000 BTU heating for year-round comfort. Its ability to cool large areas makes it ideal for spacious living rooms or apartments.

We appreciate the intelligent remote, which senses room temperature and adjusts the unit accordingly. This feature enhances comfort and efficiency. The energy-saver and sleep modes can help reduce electricity costs.

While the supplemental heating is useful, it’s not designed as a primary heat source. The unit operates at 55 dB, which some users may find noisy. Installation flexibility is a plus, but wall mounting may require an additional sleeve purchase.

ROVSUN 8000 BTU Window AC/Heater Combo

We recommend this versatile unit for those seeking year-round comfort in small to medium-sized spaces.

Pros

  • Cooling and heating capabilities
  • WiFi and voice control options
  • Energy-saving features

Cons

  • Limited cooling capacity for larger rooms
  • Some users report inconsistent performance
  • Higher price point compared to cooling-only units

The ROVSUN 8000 BTU Window AC/Heater Combo offers a comprehensive climate control solution. Its dual functionality provides cooling in summer and warmth in winter, making it a practical choice for varying seasons.

We appreciate the smart features integrated into this unit. WiFi connectivity and compatibility with voice assistants like Alexa and Google Assistant add convenience to temperature management. The included app allows for remote adjustments, ensuring comfort upon arrival home.

Energy efficiency is a key focus, with an ECO mode and programmable timer helping to reduce electricity consumption. The washable filter is a practical touch, promoting easy maintenance and optimal performance over time.

Midea U-Shaped AC

We recommend this innovative window air conditioner for its unique design, energy efficiency, and smart features.

Pros

  • Ultra-quiet operation
  • Energy-efficient inverter technology
  • Flexible window opening

Cons

  • Higher initial cost
  • May require specific window types
  • Complex setup for smart features

The Midea U-Shaped AC stands out with its innovative design. Its U-shape allows for a partially open window, maintaining ventilation and views. This 10,000 BTU unit cools up to 450 square feet effectively.

We’re impressed by its whisper-quiet operation, as low as 42 dB. The inverter technology not only reduces noise but also saves over 35% on energy costs compared to traditional units. It’s ENERGY STAR certified, reflecting its efficiency.

Smart features add convenience. Wi-Fi connectivity enables control via smartphone or voice commands through Alexa or Google Assistant. Installation is straightforward with the included quick-snap bracket, though the unit is on the heavier side.

Frigidaire Compact Window AC

We recommend this Frigidaire 5,000 BTU window air conditioner for its efficient cooling in small spaces and user-friendly features.

Pros

  • Easy installation with adjustable side panels
  • Washable filter for improved air quality
  • Effortless temperature control

Cons

  • Limited to cooling smaller areas
  • No heat function
  • Mechanical controls may feel outdated

This compact Frigidaire unit offers reliable cooling for rooms up to 150 square feet. Its 5,000 BTU capacity is ideal for bedrooms or small living spaces. The adjustable side panels make installation a breeze, fitting windows between 24 to 36 inches wide.

We appreciate the washable filter, which helps maintain air quality and extends the unit’s lifespan. The effortless temperature control maintains a consistent comfort level, while the automatic restart feature ensures the AC resumes operation after power outages.

Despite its strengths, this model lacks a heating function and is limited to smaller spaces. The mechanical controls might feel dated to some users accustomed to digital interfaces. Nevertheless, for those seeking a straightforward, efficient cooling solution for compact areas, this Frigidaire window AC delivers commendable performance.

Buying Guide

When selecting a window air conditioner with heat, we recommend considering several key factors:

Cooling and Heating Capacity

Choose a unit with adequate BTU ratings for both cooling and heating. Match the capacity to your room size for optimal performance.

Energy Efficiency

Look for models with high SEER and HSPF ratings to ensure energy-efficient operation in both cooling and heating modes.

Noise Level

Check the decibel ratings to find a quieter unit, especially for bedrooms or living areas.

Installation and Fit

Measure your window carefully and select a unit that fits properly. Consider ease of installation and any required accessories.

Additional Features

FeatureBenefit
Remote controlConvenient temperature adjustments
Programmable timerAutomated operation
Multiple fan speedsCustomizable airflow

We also suggest examining the warranty terms and reading user reviews for real-world performance insights before making your final decision.

Frequently Asked Questions

Window air conditioners with built-in heat offer convenient climate control. We’ll address key considerations for selecting and using these versatile units.

What are the most efficient window air conditioners with built-in heaters for large rooms?

Efficient models for large spaces include the Friedrich Chill Premier 15,000 BTU and the LG 14,000 BTU Dual Inverter. These units feature high energy efficiency ratings and can effectively cool and heat rooms up to 800 square feet.

How well do window AC units with integrated heat function compare to separate heating and cooling systems?

Integrated units are generally more compact and cost-effective for single-room use. They’re ideal for supplemental heating and cooling but may be less efficient than dedicated systems for whole-home climate control.

What should be considered when choosing a 110-volt window air conditioner with heat?

Consider room size, BTU rating, energy efficiency, and noise levels. Ensure the unit fits your window and provides adequate heating and cooling capacity for the space.

Are there any advantages to using a 220V window air conditioner with heat over a 115V unit?

220V units typically offer higher cooling and heating capacities, making them suitable for larger spaces. They can also be more energy-efficient, though installation may require professional electrical work.

What is the typical energy consumption of a window heater and air conditioner in one unit?

Energy consumption varies by model and usage. On average, a 12,000 BTU unit may use 900-1,200 watts when cooling and 1,200-1,500 watts when heating.

Which brands and models of air conditioner and heater combos are highly recommended by consumer reports?

Consistently well-rated models include the Frigidaire Gallery Cool Connect, GE Profile Series, and Haier Serenity Series. These units balance performance, efficiency, and user-friendly features.

Written by

Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. He holds an HVAC associate degree and EPA & R-410A Certifications.

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