Finding a window unit that both cools and heats efficiently can simplify seasonal comfort. Below is a comparison of five popular AC heater window units that cover small bedrooms to large living spaces, with features like smart controls, inverter efficiency, and high BTU capacity.
| Model | Cooling/Heating Range | Smart Features |
|---|---|---|
| LG 23,000 BTU Window Air Conditioner With Heat | Large Rooms Up To 1400 Sq. Ft. | Remote Control |
| Midea 8,000 BTU Smart Inverter Window Unit With Heat | Rooms Up To 350 Sq. Ft. | Wi‑Fi, App, Alexa/Google |
| ROVSUN 8,000 BTU Window Air Conditioner With Heat | Rooms Up To 350 Sq. Ft. | App & Voice Control |
| GE AWGP08WWA 8,000 BTU Smart Heat/Cool | Rooms Up To 350 Sq. Ft. | Wi‑Fi Enabled |
| Keystone 23,200 BTU Window‑Wall Air Conditioner | Large Spaces Up To 1,500 Sq. Ft. | Smart Remote |
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LG 23,000 BTU Window AC With Heat
The LG 23,000 BTU unit is designed for large rooms up to 1400 sq. ft. Its core strengths are high capacity and straightforward controls. The unit offers a supplemental heat option for cooler days and multiple fan speeds to adjust airflow. Noise performance is addressed with operation levels as low as 50 dB in low mode, which is useful in living rooms or bedrooms where lower sound levels matter.
Installation is typical for a window-mounted model and this unit runs on 230V. The product includes a remote for convenient control. Its feature set focuses on reliable heating/cooling and quieter operation rather than advanced smart integrations.
Midea 8,000 BTU Smart Inverter Unit
The Midea 8,000 BTU model combines inverter technology with Wi‑Fi connectivity, suitable for rooms up to 350 sq. ft. It supports five operating modes (Heat, Auto, Cool, Dry, Fan) and three fan speeds. The heat pump function allows heating when outdoor temps are above about 41°F, making it a multi‑season option.
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This unit is Energy Star rated and offers up to around 35% energy savings compared to baseline standards. Controls include an LED display, remote, and app/voice control via Alexa or Google Assistant. The washable front filter is easy to access for routine maintenance.
ROVSUN 8,000 BTU Window AC With Heat
The ROVSUN 8000 BTU model provides an all-season solution with cooling, a 4000 BTU heating capacity, dehumidification, and a fan function. It’s sized for rooms up to 350 sq. ft. and offers five operation modes and four-speed selection including Auto and ECO settings.
Smart features include Wi‑Fi connectivity with an app and compatibility with Alexa/Google Assistant for remote operation. The design emphasizes easy installation, accessible washable filters, and louvers with swing control. This unit targets users wanting a smart, compact multi-function window unit.
GE AWGP08WWA 8,000 BTU Smart Heat/Cool
The GE AWGP08WWA uses advanced heat pump technology to provide heating that claims improved efficiency over traditional resistance heaters. With 8,000 BTU cooling and heating, it targets medium rooms up to 350 sq. ft. This model is Wi‑Fi enabled and works with the SmartHQ app for remote monitoring and control.
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Features include electronic controls, remote control, and an easy install kit. The heat pump design can deliver faster, more efficient warmth than simple electric supplemental heat, making it a choice for users who need reliable year‑round climate control with smart connectivity.
Keystone 23,200 BTU Window‑Wall Air Conditioner
The Keystone 23,200 BTU unit is intended for very large spaces up to 1,500 sq. ft. It pairs powerful cooling with 16,000 BTU supplemental heat, dehumidification, and multi‑mode fan circulation. This unit is presented as a window‑wall option, often installed in larger openings or through-the-wall applications.
Supplemental heating is designed for moderate outdoor temps (not as a primary heat source in very cold climates). The included smart remote reads room temperature and updates commands periodically, helping maintain consistent comfort in large rooms.
Buying Guide: How To Choose The Right AC Heater Window Unit
Selecting the right window AC heater requires comparing capacity, efficiency, controls, installation, and long‑term operating characteristics. Below are the principal factors to evaluate from multiple perspectives.
Room Size And BTU Capacity
Match unit BTU to room square footage. General guidance:
- Up to 150 sq. ft.: ~5,000 BTU
- ~350 sq. ft.: ~8,000 BTU
- ~1,000+ sq. ft.: 18,000–23,000+ BTU
Undersized units run continuously and struggle to maintain target temperature. Oversized units cycle frequently, reducing dehumidification effectiveness and comfort.
Heating Type: Heat Pump vs. Resistance
Heat pump models provide reversible refrigeration for heating and are generally more energy efficient above certain outdoor temperatures (often above ~40°F). Electric resistance supplemental heaters are simpler but less efficient for sustained heating. Check manufacturer notes on operating temperature ranges for heat pump performance.
Energy Efficiency And Operating Cost
Look for Energy Star ratings and inverter technology. Inverter units adjust compressor speed for steady temperatures and often save energy. Compare estimated efficiencies or manufacturer claims to understand potential operating cost differences.
Smart Features & Controls
Smart connectivity (Wi‑Fi, app control, voice assistant support) adds convenience for scheduling and remote monitoring. Consider if app reliability, required subscriptions, and ecosystem compatibility (Alexa/Google) match your preferences.
Noise Levels
Decibel levels matter for bedrooms and offices. Units that advertise 50 dB or lower in low mode are generally quieter. Look for noise specifications or user feedback when quiet operation is a priority.
Installation Considerations
Confirm window dimensions, voltage (115V vs 230V), and minimum window height for mounting kits. For through‑the‑wall or window‑wall units, ensure proper sleeve or wall opening compatibility. Some high‑BTU units require 230V circuits and professional installation.
Maintenance And Filter Access
Easy access to washable filters simplifies routine cleaning and helps maintain performance. Check for front‑panel washable filters and clear instructions for seasonal maintenance.
Dehumidification And Multi‑Mode Functions
Units with a dry/dehumidify mode improve comfort in humid climates without overcooling. Multi‑mode options (auto, fan, dry) provide flexibility for changing conditions and energy savings.
Durability, Warranty, And Brand Support
Consider manufacturer reputation, warranty length, and available customer support. Brands with clear installation guidance and accessible replacement parts can reduce long‑term service hassles.
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
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.
Comparison Perspectives
- Budget vs. Feature Set: Smaller, manual units may cost less up front, while inverter and smart models save energy and add convenience.
- Quiet Operation vs. Capacity: Higher capacity units tend to be louder; prioritize quieter designs for bedrooms.
- Year‑Round Use vs. Supplemental Heat: If you need significant winter heating, a heat pump model is typically more efficient than supplemental resistance heat.
- Installation Complexity vs. Power: Larger 230V units often require electrical upgrades or professional install, while 115V models are simpler to install.