Find window air conditioners with built-in heat for year-round comfort. Below are five well-matched AC/heater combo window units selected for varying room sizes, energy efficiency, and smart control features. The summary table helps you compare key specs at a glance.
| Product | BTU (Cool/Heat) | Recommended Room Size | Smart Features |
|---|---|---|---|
| LG Window Air Conditioner With Heat | 23,000 BTU (cool) | Up To 1400 Sq. Ft. | No app; remote control |
| Midea 8,000 BTU Smart Inverter | 8,000 BTU (cool) | Up To 350 Sq. Ft. | Smart app, Alexa/Google |
| Midea 12,000 BTU Smart Inverter | 12,000 BTU (cool) | Up To 550 Sq. Ft. | Smart app, Alexa/Google |
| ROVSUN 8,000 BTU Window AC With Heat | 8,000 BTU (cool) / 4,000 BTU (heat) | Up To 350 Sq. Ft. | App & voice control |
| Whirlpool 12,000 BTU Window AC With Heat | 12,000 BTU (cool) / 11,000 BTU (heat) supplemental | Up To 550 Sq. Ft. | No app; electronic controls |
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LG 23,000 BTU Window AC With Heat
Capacity And Coverage: Rated at 23,000 BTU, this LG window unit is designed for large open areas up to 1400 sq. ft. It combines high cooling capacity with a supplemental heat option to maintain comfort on cooler days.
Performance And Noise: The unit advertises low noise performance with sound levels as low as 50 dB on low mode, intended to minimize disturbance in living rooms, dens, or offices.
Controls And Features: Offers multiple fan speeds (2 cooling, heating, and fan speeds) and a remote control for basic operation. Installation is window-mounted, and the supplemental heat mode provides targeted warmth; it is not described as a primary furnace replacement for very cold climates.
Use Cases: Suitable where one large cooling/heating unit is needed for a single open-plan space. Ideal for users prioritizing raw capacity and quieter low-mode operation.
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Midea 8,000 BTU Smart Inverter
Capacity And Coverage: This 8,000 BTU inverter window unit is sized for rooms up to 350 sq. ft. and includes a heat pump function for supplemental heating when outdoor temperatures are above approximately 41°F.
Energy And Efficiency: ENERGY STAR certified and uses variable-speed inverter technology to reduce electric consumption. The manufacturer cites up to about 35% energy savings compared to standard units, thanks to the inverter compressor.
Controls And Smart Features: Offers 5 modes (Heat, Auto, Cool, Dry, Fan), multiple fan speeds, and a 24-hour timer. Smart control is available via the Midea app and supports voice control through Alexa and Google Assistant, enabling remote operation and scheduling.
Maintenance: Front-access washable filter simplifies cleaning to maintain airflow and efficiency. The unit emphasizes quiet operation and automated features for regular use in bedrooms or apartments.
Midea 12,000 BTU Smart Inverter
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Capacity And Coverage: The 12,000 BTU Midea inverter is recommended for spaces up to 550 sq. ft. It uses inverter technology to modulate compressor speed for consistent temperature control.
Heating Limitations: The built-in heat pump provides supplemental heat, with the caveat that it does not operate below roughly 41°F outdoors; users in colder climates should account for that limitation.
Smart Controls And Modes: Includes 5 modes, ECO energy saver, adjustable louvers, and a 24-hour timer. Full smart connectivity allows control via the SmartHome app and voice assistants for scheduling and remote adjustments.
Efficiency: Presents a CEER rating indicated by the manufacturer and emphasizes energy savings compared to conventional fixed-speed units. Front-access washable filter supports routine maintenance.
ROVSUN 8,000 BTU Window AC With Heat
Capacity And Multi-Function: Offers 8,000 BTU cooling and 4,000 BTU heating capacity. The product positions itself as a 4-in-1 unit (cooler, heater, dehumidifier, and fan) suitable for rooms up to 350 sq. ft.
Smart Integration: Equipped with Wi-Fi connectivity and voice control compatibility with Alexa and Google Assistant. The app-based control supports routines and remote access for convenience.
Controls And Modes: Features an LED display, five operating modes, three fan speeds, 24-hour timer and ECO mode. The unit includes an easy-access washable filter and louvers with adjustable swing to direct airflow.
Installation And Use: Designed for window mounting and includes an installation kit. The manufacturer highlights straightforward setup and multi-season use for smaller living spaces or offices.
Whirlpool 12,000 BTU Window AC With Heat
Capacity And Heating: The Whirlpool unit lists 12,000/11,600 BTU cooling11,000/9,000 BTU supplemental heat550 sq. ft. with supplemental heat intended for milder cold conditions rather than primary heating in very cold climates.
Controls And Modes: Electronic control panel with digital display, three cooling speeds, eco and sleep modes, and an 8-way directional louvers configuration. Programmable 24-hour timer adds scheduling flexibility.
Installation And Practicality: The unit ships with a quick-install window mounting kit and requires a minimum window height specified by the manufacturer. Intended for users who want strong cooling performance plus supplemental heating without smart app requirements.
Buying Guide: How To Choose An AC Heater Combo Window Unit
Selecting the right AC/heater window unit requires evaluating capacity, efficiency, heating capabilities, installation needs, and smart features. Below are key considerations to compare models effectively.
Room Size And BTU Capacity
Match BTU To Room Size: Choose a unit with adequate cooling BTUs for the square footage. Undersized units struggle to reach set temperatures; oversized units cycle frequently and waste energy. Use manufacturer room size guidance as a starting point (e.g., 8,000 BTU ≈ 250–350 sq. ft., 12,000 BTU ≈ 350–550 sq. ft., larger units for open-plan or wide living areas).
Heating Type And Limitations
Supplemental Heat Vs. Primary Heating: Most window AC heater combos offer supplemental heat
Energy Efficiency And Inverter Technology
Inverter Compressors: Inverter technology modulates compressor speed to maintain steady temperatures and use less energy. Units advertising ENERGY STAR certification or inverter tech tend to reduce operating costs, especially with variable speed fans and eco modes.
Noise Levels
Decibel Ratings: Compare advertised noise levels if bedroom or den use is intended. Lower dB in low modes reduces disturbance. Manufacturers often list dB for low, medium, and high fan settings.
Smart Controls And Connectivity
App And Voice Control: Smart units offer remote control, scheduling, and voice assistant compatibility. Evaluate whether integration with Alexa/Google or a proprietary app is important for daily convenience or energy scheduling.
Installation Requirements
Window Size And Mounting: Confirm the minimum window height and the included mounting kit. Heavier or larger units may need two-person installation or additional brackets. Some models specify 230V power requirements for higher BTU units—ensure compatible outlet and circuit capacity.
Maintenance And Filter Access
Washable Filters And Accessibility: Easy-access washable filters simplify upkeep and improve longevity. Consider whether filter replacement or cleaning is straightforward and whether the unit includes indicator lights for cleaning reminders.
Defrost And Cold-Weather Performance
Automatic Defrost: Heat pump units may need automatic defrost cycles to operate in cool, damp conditions. Check for automatic defrost control and whether the manufacturer provides performance guidance at varying outdoor temperatures.
Control Options And Modes
Available Modes: Look for useful modes like Auto, Dry/Dehumidify, Sleep, and ECO. Dry mode can reduce humidity without aggressive cooling, while sleep modes adjust temperatures gradually to save energy overnight.
Warranty And Support
Manufacturer Warranty: Review warranty terms covering sealed systems and components. Check local support or service centers for more convenient repairs or part replacements.
Comparison Perspectives
- Large Spaces: Favor higher BTU window units (e.g., 23,000 BTU LG) with robust cooling and basic heating for open-plan rooms.
- Energy Savings: Choose inverter and ENERGY STAR models (e.g., Midea inverter units) for lower running costs in frequent-use scenarios.
- Smart Home Integration: Select Wi‑Fi enabled units (Midea, ROVSUN) if remote control, voice commands, and scheduling are priorities.
- Cold-Climate Considerations: If you need heating below 41°F, prefer units with electric resistance supplemental heat or plan on using a primary home heating source; heat pump-only units can lose heating capacity in very cold weather.
- Ease Of Installation: Units with included window kits and clear instructions reduce installation time; large 230V units may require electrical adjustments.
Assess your room size, heating needs, and desired features before selecting a window AC/heater combo. Matching BTU to space, confirming heating limitations, and weighing energy efficiency and smart controls will help identify the model best suited to your home.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
Always research current rebates and incentives — they can significantly reduce your overall cost. - Compare Multiple Quotes
Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
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