Best Window Air Conditioners With Heat Pumps for All-Season Comfort
The right window air conditioner with built-in heating can keep your space comfortable year-round. This guide highlights five top options that pair cooling power with supplemental heating, smart features, and easy installation. Each product supports rooms ranging from compact offices to mid-size living areas, offering a mix of inverter tech, app control, and user-friendly remotes. Use the buying guide below to compare capacities, energy efficiency, and smart integrations before you decide.
| Product | Brand | BTU (Cooling) | Heating Output | Remote/Smart Features |
|---|---|---|---|---|
| Whirlpool 18,000 BTU Window A/C with Supplemental Heat | Whirlpool | 18,000 BTU | 10,600 BTU (supplemental) | Electronic controls, ECO, sleep, 24h timer |
| LG 12,200 BTU Window A/C with Supplemental Heat | LG | 12,200 BTU | Not specified in variant title | Remote, multiple speeds, quiet operation |
| ROVSUN 8,000 BTU Window A/C with Heat | ROVSUN | 8,000 BTU | 4,000 BTU | LED display, timer, ECO mode |
| ROVSUN 12,000 BTU Window A/C with Heat | ROVSUN | 12,000 BTU | 4,000 BTU | LED display, timer, ECO mode, remote |
| Keystone 12,000 BTU Window Mounted Inverter A/C with Supplemental Heat | Keystone | 12,000 BTU | 10,000 BTU (supplemental) | Inverter tech, remote, dehumidify |
Whirlpool 18,000 BTU Window A/C With Supplemental Heat
The Whirlpool window unit delivers strong cooling power for larger spaces and adds supplemental heat for milder winter days. It supports up to 1000 square feet and includes eco-friendly modes, a programmable 24-hour on/off timer, and an adjustable airflow pattern with 8-way louvers. While designed primarily for cooling, the integrated heat function provides a practical year-round climate solution in apartments, small homes, or office suites. Installation uses a standard window mounting kit for straightforward setup, though window height and wall clearance should be verified before purchase.
LG 12,200 BTU Window A/C With Supplemental Heat
The LG model emphasizes quiet operation with a low-noise profile, making it suitable for bedrooms and living areas. The supplemental heat option adds warmth during cooler days, while multiple fan and cooling/heating speeds let users tailor comfort. A remote control and electronic panel provide convenient access to settings, and the unit is designed for simple installation in standard window openings. It’s ideal where a reliable all-season climate solution is needed without a separate heater.
Keystone 12,000 BTU Window Mounted Inverter A/C With Supplemental Heat
This Keystone unit uses inverter technology to reduce energy waste and operate more quietly at lower speeds, improving efficiency in day-to-day cooling. The integrated supplemental heating capability helps maintain comfortable temperatures in transitional seasons. Its remote control provides easy operation from across a room, and the unit supports dehumidification and fan-only modes for versatile climate control. It is suitable for medium-to-large rooms up to about 550 square feet.
ROVSUN 8,000 BTU Window A/C With Heat (Smart Version)
The ROVSUN 8,000 BTU unit combines cooling and heating in a compact package, suitable for smaller rooms like bedrooms or home offices. It features an LED display, a timer function, and a 24-hour programmable option for automatic temperature control. While not the most powerful option, it offers steady performance with simple installation and remote-enabled convenience, making it a practical choice for apartments or rooms under 350 square feet.
Buying Guide: Key Considerations For Window AC Units With Heat
- Room size and BTU pairing: Choose a unit whose cooling capacity matches the space. A unit that’s too small will struggle in heat, while an oversized model can lead to short cycling and humidity issues. Supplemental heat output should be considered for climate needs—look for a model with clearly stated heating BTU or equivalent heat function.
- Energy efficiency and inverter tech: Inverter-based models adjust output to maintain temperature more efficiently and quietly. This can reduce energy use over time and improve comfort, especially in larger rooms or all-day operation scenarios.
- Noise levels: For bedrooms and study areas, seek models with low decibel ratings in cooling and heating modes. Inverter compressors often operate more quietly than standard compressors.
- Smart and app control: Some units offer WiFi connectivity, voice control, and mobile apps for remote temperature adjustments, scheduling, and routine settings. Consider convenience, compatibility with smart home ecosystems, and the stability of app features.
- Installation requirements and window compatibility: Verify window height, width, and sill depth, plus the unit’s installation kit suitability for your window type. Some models support window or wall installation in limited configurations, and voltage requirements (115V vs 208/230V) should align with available power outlets.
- Dehumidification and air distribution: Look for units that provide effective dehumidification along with adjustable louvers or multi-direction airflow so you can direct air where needed. This improves comfort and reduces humidity-related concerns in damp spaces.
- Controls and ease of use: Digital displays, remote controls, 24-hour timers, and ECO modes help optimize comfort and energy savings. A simple setup can reduce the time required to reach desired temperatures.
When comparing options, consider how often you need year-round climate control, the size of the room, and whether you value smart-automation features or a straightforward, plug-and-play installation. The selected models above provide a balance of cooling power, supplemental heating, and user-friendly operation to cover common residential scenarios across the United States.