If you need a window air conditioner that also provides supplemental heat, you’re looking for a compact, all-season solution. This guide highlights five top window HVAC units with built‑in heat functions, ideal for apartments, bedrooms, or home offices up to roughly 350–550 square feet. Each option supports cooling and heating, with smart controls and energy efficiency features. This selection targets buyers seeking reliable climate control without a full home HVAC upgrade. The list compares who each unit is best for, plus cautions to consider before you buy.
Summary Table
| Product | BTU (Cool) | Supplemental Heat | Best For |
|---|---|---|---|
| Midea 8,000 BTU Smart Inverter Window Unit | 8,000 | Yes | Medium rooms up to 350 sq ft; energy‑savvy renters |
| ROVSUN 8,000 BTU Window Unit with Heat | 8,000 | Yes | All‑season comfort; app & voice control |
| Midea Inverter Window AC With Heat (12,000 BTU) | 12,000 | Yes | Larger spaces up to 550 sq ft; smart control |
| Whirlpool 8,000 BTU Window AC with Supplemental Heat | 8,000 | Yes | Balanced cooling and heat for apartments |
| Garvee 8,000 BTU Window AC with Heat | 8,000 | Yes | Budget‑friendly all‑season unit; app control |
Midea 8,000 BTU Smart Inverter Window Unit With Heat
Best for medium rooms up to 350 sq ft; the unit combines cooling, dehumidification, and supplemental heat. It uses inverter technology for energy efficiency, with 5 modes (Heat, Auto, Cool, Dry, Fan) and 3 speed settings. It supports remote and app control through a smart home system (Alexa/Google Assistant). Heat operation is best when outdoor temperatures exceed 41°F. The unit is Energy Star certified and includes a washable front filter for easy maintenance.
- Best for: renters or apartments needing a compact all‑season climate solution.
- Why chosen: strong energy efficiency and smart control in a single package for up to 350 sq ft.
- Caution: heat function is limited below 41°F outside temperatures.
ROVSUN 8000 BTU Window AC With Heat
This all‑season window unit provides 8,000 BTU cooling and 4,000 BTU heating, suitable for rooms up to 350 sq ft. It includes a 5‑mode interface (Heat, Auto, Cool, Dry, Fan), three fan speeds, a 24‑hour timer, and energy‑saving ECO mode. It supports Wi‑Fi/app control and voice integration with Alexa/Google Assistant for convenient remote management. The unit ships with an installation kit and straightforward front‑panel maintenance.
- Best for: users wanting smart, app‑based control for a compact space.
- Why chosen: balanced heating and cooling with voice control in a single unit.
- Caution: heating works best above typical cold outdoor temperatures; plan for supplementary heat if needed in freezing weather.
Midea Inverter Window AC With Heat – 12,000 BTU
Best for larger rooms up to 550 sq ft; this inverter‑based unit offers robust cooling and reliable supplemental heat. It features a digital LED display, 5 modes, 3 speeds, 24‑hour timer, and ECO energy saver. It supports wireless control via the Midea SmartHome app and voice control with Alexa/Google Assistant. A washable front filter helps maintain efficiency, and the unit carries Energy Star certification for improved energy performance.
- Best for: bigger spaces needing strong cooling and even heat distribution.
- Why chosen: higher BTU with energy-efficient inverter technology.
- Caution: larger footprint means it fits only certain window sizes; check installation space.
Garvee 8,000 BTU Window AC With Heat
All‑season comfort in a compact 8,000 BTU window unit, suitable for spaces up to 350 sq ft. It combines cooling, heating, dehumidification, and a fan function, with 5 modes and 3 fan speeds. The unit includes an app and voice control (works with Alexa) for remote operation and scheduling. A 24‑hour timer and ECO mode help manage energy usage. The built‑in 4‑way swing directs airflow efficiently.
- Best for: budget‑conscious buyers who want a feature‑rich all‑in‑one unit.
- Why chosen: strong feature set at a competitive price point with smart control.
- Caution: ensure your window size matches mounting requirements; installation can vary by window type.
Buying Guide: Key Purchase Considerations
What room size should you target?
For window units with heat, match BTU to room size. Up to 350 sq ft typically requires 8,000 BTU. Larger spaces up to 550 sq ft may perform better with 12,000 BTU units. Consider ceiling height, sunlight, and insulation when choosing BTU capacity.
How reliable is the heat function?
Most window units provide supplemental heating rather than primary heat. Heat functions work best when outdoor temperatures are mild (often above 41°F). In very cold climates, plan for a dedicated heat source and use the window unit primarily for cooling and dehumidification.
What about energy efficiency?
Look for Energy Star certification and inverter technology. Inverter models adjust compressor speed to maintain set temperatures with less energy use, delivering noticeable savings over traditional fixed‑speed units.
What smart features are worth it?
Smart control via smartphone apps, voice assistants, or remote operation can greatly improve convenience, especially for multi‑room living or pre‑cooling before arrivals. Check compatibility with your existing smart home ecosystem.
How easy is installation?
Most units include an installation kit and standard window mounting hardware. Verify window dimensions and sill depth before purchase. Some models mention easier installation with side panels or adjustable brackets; this can save time and reduce the risk of air leaks.
What maintenance matters?
Regularly clean or replace washable filters to maintain efficiency. Front‑panel accessible filters simplify upkeep. Energy savings and cooling performance benefit from clean filters and unobstructed airflow.
What are potential limitations to expect?
Heat performance can be temperature‑dependent, and some units have reduced heating capability at lower outdoor temperatures. Always confirm the rated operating temperature range in product specs before relying on the unit as a primary heat source.
FAQ
- Can window units with heat replace central heating? No. They provide supplemental heating and are best used in conjunction with a primary heat source in colder climates.
- Do all these units require professional installation? Most are designed for DIY window installation with included kits; follow the manual for proper mounting and sealing.
- Will the heat function work in very cold weather? The efficiency of the heat function decreases in cold outdoor temperatures; some models specify a minimum outside temperature for heat operation.
- Are these units energy efficient? Many are Energy Star certified and use inverter technology to save energy during both cooling and heating modes.
- Can I control these units from my phone? Several listed models support smartphone control and voice assistants for remote adjusting and scheduling.
- What room size is ideal for an 8,000 BTU unit? Typically best for spaces up to 350 sq ft, depending on insulation, sunlight exposure, and ceiling height.