Best Heat and Cool Window Units for All Seasons
Looking for a window air conditioner that also provides reliable heating? This guide highlights top 5 options that deliver both cooling and heating, with smart controls and energy-saving features. Best for apartments, small homes, and rooms up to about 550 square feet, these units balance comfort and efficiency. Each product is evaluated for who benefits most, plus a practical caution to consider before you buy.
| Product | Brand | Best For | BTU/Capacity | Key Feature |
|---|---|---|---|---|
| Midea Inverter Window AC With Heat | Midea | Large rooms up to 550 sq ft | 12,000 BTU | Energy Star inverter for savings; smart control via app |
| Garvee 8000 BTU Window AC With Heat | Garvee | Medium rooms up to 350 sq ft | 8,000 BTU | 4-in-1: heat, cool, dehumidify, fan |
| LG 12,200 BTU Window AC With Supplemental Heat | LG | Medium-to-large rooms | 12,200 BTU | Low-noise operation; remote and electronic controls |
| ROVSUN 12,000 BTU Window AC With Heat | ROVSUN | Rooms up to 550 sq ft | 12,000 BTU | Smart control via app; multiple modes including heat |
| ZAFRO U Shaped 12,000 BTU Window AC With Heat | ZAFRO | Medium-to-large rooms | 12,000 BTU cooling / 8,100 DOE heating | Ultra-quiet inverter operation; outside compressor design |
Important note: compatibility with your window dimensions, climate, and electrical system matters. The following sections compare each option in a straightforward way to help you choose quickly.
Midea Inverter Window AC With Heat
Best for large rooms up to 550 sq ft with energy savings. This 12,000 BTU unit combines cooling, dehumidification, and supplemental heating. Inverter technology supports up to 35% energy savings versus standard models. Features include digital LED display, 5 modes, 3 speeds, 24-hour timer, ECO mode, and a mobile/voice control option via Midea SmartHome, Alexa, or Google Assistant. The built-in heat function is not operational when outside temperatures drop below 41°F. Choose this if you want strong cooling with reliable heat when you need it and smart control at your fingertips.
Caution: Heat pump performance reduces when temperatures are very cold; plan for supplemental heat in colder climates.
Garvee 8000 BTU Window AC With Heat
Better for smaller living spaces up to 350 sq ft. This 4-in-1 unit provides cooling, heating, dehumidification, and fan options. It includes a digital LED display, 5 modes, 3 fan speeds, a 24-hour timer, ECO energy saver, and sleep mode. Uses a smart app and voice control for convenient scheduling. Best for renters or rooms where you want flexible, all-season climate control without separate heating equipment. Limitations include potential sensitivity to very cold outdoor temperatures for heating performance.
LG 12,200 BTU Window AC With Supplemental Heat
Best for medium-to-large spaces that require quiet operation. The LG unit offers low-noise performance and supplemental heat for cooler days. It provides multiple fan and cooling/heating speeds to adapt to changing conditions. The electronic controls and remote enable easy adjustments, making it a solid pick for bedrooms or living rooms where quiet comfort matters. A potential limitation is that the supplemental heat is not a primary heat source in very cold climates.
Whirlpool 8,000 BTU Window AC With Supplemental Heat
Best for compact spaces up to 350 sq ft. This unit combines 8,000 BTU cooling with 4,000 BTU supplemental heat, plus programmable 24-hour timer and multiple modes. It includes an easy window mounting kit for straightforward installation. The setup is suitable for apartments and smaller living rooms. Caution: the supplemental heat is not intended as a primary heat source in very cold conditions; plan for additional heating if needed.
ROVSUN 12,000 BTU Window AC With Heat
Best for rooms up to 550 sq ft with smart control. This 12,000 BTU unit supports cooling, heating, dehumidification, and fan modes, with app and voice control compatibility (Alexa/Google Assistant). It features a 5-mode LED display, 3 fan speeds, 24-hour timer, and ECO saver mode. The front-accessible filter aids maintenance. Consider this option if you want robust all-season climate control with remote operation. Caution: ensure your window and electrical system match the unit’s high BTU demand in large spaces.
ZAFRO U Shaped 12,000 BTU Window AC With Heat
Best for quiet operation and clear outdoor view thanks to the U-shaped compressor arrangement. The unit provides 12,000 BTU cooling and 8,100 DOE heating, with inverter technology for stable temperatures and energy efficiency. It also offers 4-way airflow and app/voice/remote control. Choose this if you want a low-noise, visually unobtrusive window unit that still delivers strong climate control. Limitation: performance guidance notes should be followed for extreme outdoor temperatures to maintain efficiency.
Buying Guide
What should you consider when choosing a heat-and-cool window unit?
- Room size and BTU: Match the unit’s BTU to your room size for effective cooling and heating without excessive energy use.
- Climate and heating needs: In very cold climates, plan for a separate primary heater and view the unit’s supplemental/heating capacity accordingly.
- Energy efficiency: Look for Energy Star labels and inverter-style compressors to reduce operating costs over time.
- Control options: Apps, remotes, and voice assistant compatibility add convenience for daily use.
- Installation and window compatibility: Check window dimensions, mounting kits, and required electrical outlet specs.
- Noise level: For bedrooms and home offices, consider units noted for low dB operation.
FAQ
- Do these units require professional installation? Most are designed for DIY installation, but window dimensions and wiring must be correct for safe operation.
- Can I rely on the heat function as a primary heat source? No. Most units are suitable for supplemental heating, not as the main heat in very cold weather.
- Are all units compatible with smart home assistants? Many models support Alexa or Google Assistant through an app or built-in integration.
- What rooms are best suited for 12,000 BTU units? Larger rooms up to about 550 sq ft benefit most, especially with open layouts or sun exposure.
- Is inverter technology worth it for window units? Yes, it generally provides steadier temperatures and lower energy use over time.
- What should I check before buying? Confirm window size compatibility, electrical requirements, noise tolerance, and whether supplemental heating meets your climate needs.