Looking for a window air conditioner that also provides heating? This guide highlights five window-mounted units that combine cooling, heating, and dehumidification to cover year‑round needs. Each pick targets a common scenario: compact apartments, large living areas, energy efficiency, smart control, and easy installation. Best for buyers who want all-season climate control in a single, space‑saving unit.
| Product | Best For | Room Size | |
|---|---|---|---|
| Midea 8,000 BTU Smart Inverter Window Unit | Medium rooms, energy efficiency | Up to 350 sq ft | Smart app and voice control |
| Midea 12,000 BTU Inverter Window Unit | Large rooms, versatile climate control | Up to 550 sq ft | High BTU, Energy Star, inverter tech |
| ROVSUN 8,000 BTU Window Air Conditioner With Heat | All‑season basics, smart control | Up to 350 sq ft | WiFi/voice control, timer, 4‑in‑1 |
| Keystone 23,200 BTU Window AC With Supplemental Heat | Very large spaces, powerful cooling | Up to 1,500 sq ft | High cooling capacity, large area coverage |
| Bonnlo 12,000 BTU Window AC With Heat | Smart control, mid‑to‑large rooms | Up to 550 sq ft | Wi‑Fi and voice control, installation kit |
Midea 8,000 BTU Smart Inverter Window Unit
Best for medium rooms up to 350 sq ft. This 8,000 BTU unit combines cooling, dehumidification, and supplemental heat for shoulder seasons. It uses inverter technology to save energy and operates quietly. It includes an LED display, multiple modes (Heat, Auto, Cool, Dry, Fan), and a 24‑hour timer. Control is possible via control panel, remote, app, or voice assistants. Heat function works when outside temperatures exceed 41°F.
- Best for: apartments or small homes seeking energy efficiency and smart control
- Why selected: Balanced capacity and heat when needed, plus app/voice compatibility
- Caution: Heat operation limited by outdoor temperature; plan heating needs accordingly
Midea Inverter Window AC With Heat, 12,000 BTU
Best for large rooms up to 550 sq ft. This 12,000 BTU unit provides strong cooling and reliable supplemental heating. It features inverter technology for energy efficiency, a digital LED display, 5 modes, and app/voice control. Heat function is not designed for operation when outside temperatures fall below about 41°F.
- Best for: larger living spaces or open‑concept rooms
- Why selected: Higher cooling capacity with energy savings and smart controls
- Caution: Heat mode may be limited in very cold weather
ROVSUN 8,000 BTU Window Air Conditioner With Heat
Best for budget‑conscious buyers seeking all‑season comfort for rooms up to 350 sq ft. This 8,000 BTU unit offers air conditioning, 4,000 BTU heating, a dehumidifier, and a fan. It includes a timer, remote, and installation kit. Control is via LED panel, remote, or app with voice compatibility for smart homes. Note the heater is supplemental and suited for moderate cooling needs.
- Best for: compact rooms where all‑season use is a priority
- Why selected: Combines cooling and heating in a single unit with smart features
- Caution: Heating capacity is supplemental, not primary heat
Keystone 23,200 BTU Window AC With Supplemental Heat
Best for very large spaces up to 1,500 sq ft with heavy cooling needs. This high‑capacity window unit delivers 23,200 BTU of cooling and 16,000 BTU of supplemental heating, plus dehumidification and fan modes. It’s designed for bigger rooms or open floor plans, making it a fit for living rooms or shared spaces. It uses a smart remote that reads room temperature and sends signals to the wall unit every few minutes. Caution: Supplemental heat should not replace primary heating in extreme cold.
- Best for: huge rooms or multi‑zone spaces
- Why selected: Maximum cooling in a window unit with added heat capabilities
- Caution: Higher energy use; plan for appropriate electrical setup
Bonnlo 12,000 BTU Window AC With Heat
Best for smart home enthusiasts and mid‑to‑large rooms up to 550 sq ft. Bonnlo’s 12,000 BTU unit includes 9,000–11,000 BTU heating, Wi‑Fi connectivity, and compatibility with Alexa and Google Assistant. It emphasizes simple installation with an included kit and allows quick switching between cooling and heating. Note: The installation kit eases mounting but verify window dimensions before purchase.
- Best for: tech‑savvy buyers who want voice control
- Why selected: Strong cooling/heating range with smart home integration
- Caution: Requires appropriate window size and electrical setup
Buying Guide: Key Considerations For Window Unit With Heater
- Room size and BTU: Match BTU to the room; too small reduces efficiency, too large wastes energy.
- Heat capacity and climate: Check if heating is primary or supplemental; cold climates need stronger heating features.
- Energy efficiency: Look for Energy Star certification and inverter technology for ongoing savings.
- Smart features: App control, Wi‑Fi, and voice assistants add convenience and scheduling options.
- Installation and compatibility: Verify window size, electrical requirements, and included installation kit.
FAQ
- Do window units with heat work well in winter? Some units offer supplemental heat but are not primary heat sources in very cold weather.
- Is inverter technology better for energy savings? Yes, inverter units typically use less energy and adjust cooling/heating more efficiently.
- Can these units be controlled with a phone app? Many models offer app control and voice assistant compatibility.
- What room size is best for 8,000 BTU vs 12,000 BTU? 8,000 BTU is suitable for up to ~350 sq ft; 12,000 BTU works well up to ~550 sq ft.
- Are installation kits included? Many listings include installation kits; confirm before purchase.
- Is supplemental heat sufficient for winter? In milder climates it can be helpful, but in harsher winters you’ll likely need additional heat sources.