Best Window Ac Units With Heater for Home Comfort

Find efficient window air conditioners that include heating to keep rooms comfortable year-round. Below is a quick comparison of five top units chosen for cooling capacity, supplemental heat, smart features, and room size coverage.

Product	Type / Capacity	Best For
Midea 8,000 BTU Smart Inverter Window Unit With Heat	8000 BTU / Heat Pump	Medium Rooms Up To 350 Sq Ft
LG 23,000 BTU Window Air Conditioner With Heat	23,000 BTU / Supplemental Heat	Large Rooms Up To 1400 Sq Ft
Keystone 23,200 BTU Window-Wall AC With 16,000 BTU Heat	23,200 BTU / 16,000 BTU Supplemental Heat	Very Large Spaces Up To 1500 Sq Ft
Whirlpool 18,000 BTU Window AC With Supplemental Heat	18,000 BTU / Supplemental Heat	Large Rooms Up To 1000 Sq Ft
ROVSUN 8000 BTU Window Air Conditioner With Heat	8000 BTU / 4000 BTU Heat	Medium Rooms Up To 350 Sq Ft

Midea 8,000 BTU Smart Inverter Window Unit With Heat

Check Price on Amazon

Key Features: Multi-season comfort with cooling, dehumidification, and heat pump function; Energy Star rated inverter technology; SmartHome app and voice control compatibility; LED display, five modes, and washable filter. The unit is designed for rooms up to 350 square feet, and the heat pump operates effectively when outdoor temperatures are above roughly 41°F.

The inverter compressor targets energy savings and quieter operation, while smart controls let users schedule and adjust settings remotely. As a heat pump-based supplemental heater, it provides steady warmth for transitional seasons rather than primary winter heating in very cold climates.

LG 23,000 BTU Window Air Conditioner With Heat

Check Price on Amazon

Key Features: High-capacity cooling for spaces up to about 1400 sq ft; supplemental heat option; multiple fan and heat/cool speeds; low noise operation down to 50 dB in low mode. The unit is intended for large rooms or open-plan areas where a higher BTU rating is needed.

This model emphasizes large-area performance and quieter operation. Supplemental heat capability is useful for maintaining comfortable temperatures on cooler days, but manufacturers typically recommend supplemental heating only down to specific outdoor temperatures.

Keystone 23,200 BTU Window-Wall Air Conditioner With 16,000 BTU Heat

Check Price on Amazon

Key Features: Large cooling capacity with substantial supplemental heat (16,000 BTU) and dehumidification; designed as a through-the-wall/window-wall unit for spaces up to 1,500 sq ft; smart remote with room temperature sensing.

Keystone’s combination of high cooling and strong supplemental heat output suits very large rooms or combined living spaces. The supplemental heating mode is intended as backup or seasonal support rather than a primary heating source in very cold climates.

Whirlpool 18,000 BTU Window Air Conditioner With Supplemental Heat

Check Price on Amazon

Key Features: Powerful 18,000 BTU cooling paired with supplemental heating capacity; electronic controls with eco and sleep modes; 8-way directional louvers and a 24-hour programmable timer; designed for rooms up to 1000 sq ft.

Whirlpool’s model focuses on versatile operation modes and directional airflow to distribute conditioned air efficiently. The quick installation kit and window compatibility notes are useful when replacing existing units or installing in larger windows.

ROVSUN 8000 BTU Window Air Conditioner With Heat

Check Price on Amazon

Key Features: 8000 BTU cooling and 4000 BTU heating, five modes including heat and dry, app and voice control with Alexa/Google Assistant, washable front filter, 24-hour timer and ECO mode. Rated for rooms up to 350 sq ft.

The ROVSUN unit packages smart connectivity and multi-mode operation into a mid-capacity window AC with supplemental heat. The lower heating BTU indicates suitability for mild climate heating or transitional seasons rather than primary heating in very cold areas.

Buying Guide: How To Choose A Window AC Unit With Heater

Selecting the right window air conditioner with heater involves matching capacity, heating method, installation, and controls to your space and climate. Consider the following factors to make an informed choice.

1. Determine Proper BTU Capacity

Cooling BTU should match the room size. Undersized units will run constantly; oversized units cycle frequently and reduce dehumidification. Use manufacturer recommendations for square footage as a starting point.

2. Understand Heating Type And Limits

Many window ACs with heat use heat pumps or supplemental electric heat. Heat pumps are efficient in mild to moderate cold but have lower effectiveness below certain outdoor temperatures. Supplemental electric heaters provide immediate heat but are less efficient for sustained winter use.

3. Check Energy Efficiency And Certifications

Look for Energy Star certification or efficiency features such as inverter compressors or ECO modes to reduce operating costs. Higher-efficiency units often cost less to run over time.

4. Noise Levels

If the unit will be used in bedrooms or living areas, confirm dB ratings or “low mode” noise levels to avoid sleep disruption. Some manufacturers list noise levels in product specs.

5. Installation Type And Window Compatibility

Confirm window dimensions and whether the unit is window-mounted, through-the-wall, or window-wall compatible. Larger high-BTU models may require 230V or through-the-wall sleeves and different electrical circuits.

6. Smart Features And Controls

Wi‑Fi, app control, timers, and voice integration add convenience for scheduling and remote adjustments. Remote control and an accessible filter are practical for regular use and maintenance.

7. Supplemental Versus Primary Heating

Clarify whether the heater is meant as supplemental heat or a primary source. Most window units provide adequate supplemental warmth in milder conditions but are not replacements for central heating in colder climates.

8. Airflow Direction And Distribution

Adjustable louvers, multiple fan speeds, and directional airflow options help distribute conditioned air evenly. For large spaces, higher BTU plus directional louvers improves comfort.

9. Maintenance And Filter Access

Choose units with easily accessible, washable filters to maintain efficiency and indoor air quality. Regular filter cleaning extends unit life and performance.

10. Electrical Requirements

High-BTU models frequently require 208/230V circuits and may need professional electrical installation. Verify voltage compatibility before purchase and installation.

Comparison Perspectives

• Small/Medium Rooms: 5,000–8,000 BTU units balance efficiency and installation ease for bedrooms and small living rooms.
• Large Rooms/Open Areas: 18,000–23,000+ BTU units or through-the-wall models are appropriate for large or combined spaces.
• Climate Considerations: In mild climates, heat pump models work well year-round; in colder regions, plan for supplemental heating or a dedicated heating system.
• Smart/Home Integration: Wi‑Fi and voice control are helpful for remote management; consider network security and app reliability.