5 Best Window ACs with Heat (2026): Top All-in-One Units

If youβre looking for a window air conditioner that can also provide heat, you need a true all-in-one heat pump unit, not just a model with a basic electric heater strip. The best window ACs with heat in 2026 combine efficient cooling, reliable heat-pump heating, quiet operation, and smart features in a single easy-to-install package.
These units are perfect for apartments, bedrooms, home offices, or supplemental zones where you want year-round comfort without installing a full HVAC system. This guide compares the top models based on BTU capacity, energy efficiency (CEER/EER), heating performance down to moderate outdoor temperatures, noise level, smart connectivity, and overall value.
π Quick Pick: The Best Window AC with Heat β GE 11,000 BTU Smart Heat/Cool β
Top 5 Best Window ACs with Heat in 2026 β Quick Comparison
Below is a quick summary of the top picks with their key specifications:
| Rank | Model | BTU (Cool/Heat) | CEER | Noise Level | Smart Features | Price | Best for | Buy Link |
|---|---|---|---|---|---|---|---|---|
| π 1 | GE AWGP12WWA | 11,000 / 11,000 | 13.2 | 40 dB | β WiFi, Alexa, Google | $$$ | Best Overall | View |
| β‘ 2 | Midea MAW08HV1CWT | 8,000 / 7,000 | 14.5 | 32 dB | β WiFi, Voice Control | $$ | Best Efficiency & Quiet | View |
| π° 3 | Keystone KSTHW12B | 12,000 / 10,000 | 10.8 | 55 dB | Basic Remote | $$ | Best Value | View |
| π§ 4 | LG LW1221HRSM | 11,500 / 9,200 | 11.2 | 50 dB | β WiFi, ThinQ App | $$$ | Best Smart Features | View |
| π 5 | Frigidaire FHWW184WB2 | 18,800 / 16,000 | 10.7 | 54 dB | β WiFi | $$$$ | Best for Larger Rooms | View |
1οΈβ£ Best Overall: GE AWGP12WWA 11,000 BTU Smart Heat/Cool

π Why Pick It:
The GE 11,000 BTU Smart Heat/Cool is the best all-in-one window unit in 2026. It delivers strong 11,000 BTU cooling and 11,100 BTU heat pump heating for rooms up to 550 sq ft, with excellent smart features and solid efficiency. Installation is simple with GEβs EZ Mount.
| Pros | Cons |
|---|---|
| β
High efficiency (13.2 CEER) β WiFi + voice control (Alexa & Google) β Good heating down to 47Β°F β Easy installation with βEZ Mountβ | β Bulkier than U-shaped designs β Premium price point β Heating best as supplemental heat |
π Check GE 11,000 BTU Smart Heat/Cool on Amazon β
2οΈβ£ Best Efficiency & Quiet Operation: Midea MAW08HV1CWT

π Why Pick It:
The Midea 8,000 BTU U Shaped (MAW08HV1CWT) stands out for its high efficiency and ultra-quiet operation. With inverter technology and a U-shaped design, this window AC with heat is ideal for bedrooms and small rooms up to 350 sq ft.
| Pros | Cons |
|---|---|
| β
Very quiet (as low as 32 dB) β Superb efficiency rating (14.5 CEER) β Compact U-shaped design | β Lower BTU (best for smaller spaces only) β Installation takes more time |
π Check Midea MAW08HV1CWT on Amazon β
3οΈβ£ Best Value: Keystone KSTHW12B 12,000 BTU

π Why Pick It:
The Keystone KSTHW12B is currently one of the strongest budget options window AC with heat. It delivers powerful 12,000 BTU cooling and 10,000 BTU supplemental electric heating at a very accessible price, making it ideal for larger rooms up to 550 sq ft.
| Pros | Cons |
|---|---|
| β
Excellent price-to-performance ratio β Simple controls and straightforward installation β Good durability for the price | β Uses electric resistance heat (higher running cost) β Louder operation (~55 dB) β No WiFi or smart features β Average efficiency |
π Check Keystone KSTHW12B on Amazon β
4οΈβ£ Best Smart Features: LG LW1221HRSM

π Why Pick It:
The LG LW1221HRSM is a premium 12,000 BTU smart window AC unit with excellent ThinQ app integration, voice control, and reliable supplemental heating. It offers strong performance for rooms up to 550 sq ft with modern smart convenience.
| Pros | Cons |
|---|---|
| β
Full WiFi + ThinQ app with scheduling & energy monitoring β Voice control (Alexa & Google Assistant) β Good balance of power and smart features | β Heating is supplemental electric (higher running cost) β Higher price than non-smart units β App may have a small learning curve |
π Check LG LW1221HRSM on Amazon β
5οΈβ£ Best for Larger Rooms: Frigidaire FHWW184WB2 18,000 BTU

π Why Pick It:
The Frigidaire FHWW184WB2 is a powerful 18,000 BTU unit designed for large spaces. It delivers strong cooling and high-capacity supplemental electric heating, making it ideal for big living rooms, open-concept areas, or master suites up to 700β800 sq ft.
| Pros | Cons |
|---|---|
| β
High 18,800 BTU cooling + 16,000 BTU heating for large rooms β WiFi connectivity for remote operation β Robust build quality from Frigidaire β Good performance in bigger or harder-to-cool spaces | β Heavier unit (may require two people to install) β Heating is supplemental electric (higher running cost) β Louder on high settings |
π Check Frigidaire FHWW184WB2 on Amazon β
Final Verdict β Which Window AC with Heat is Best?
Hereβs the top pick based on your needs:

π Best Overall Window AC with Heat: GE AWGP12WWA β High efficiency, smart control, easy to install.
β‘ Best Efficiency & Quiet: Midea MAW08HV1CWT β Lowest power use, whisper quiet.
π° Best Value: Keystone KSTHW12B β Affordable, basic and simple.
π§ Best Smart Features: LG LW1221HRSM β Integrated smart home, great performance.
π Best for Larger Rooms: Frigidaire FHWW184WB2 β Powerful unit, robust quality and remote operation.
π Compare Prices & Check Best Deals Here β
If youβre a light sleeper looking for a quiet window AC, check out my list of 6 Quietest Window ACs to choose one that best suits your needs.
Frequently Asked Questions (FAQs)
1. What is the difference between a window AC with heat pump vs electric heat?
A true heat pump window AC (like the Midea MAW08HV1CWT and GE models) is more energy-efficient and cheaper to run in mild to moderate cold weather. Electric resistance heat (used in most budget models like Keystone and Frigidaire) provides stronger and faster heating but costs significantly more to operate.
2. Can window ACs with heat work in cold winters?
Most window ACs with heat work well as supplemental heating down to around 40β50Β°F. True heat pump models perform better in mild winters, while electric heat models can work in colder temperatures but will increase your electricity bill.
3. What size window AC with heat do I need?
8,000 BTU β Small rooms up to 350 sq ft
12,000 BTU β Medium rooms up to 550 sq ft
14,000β18,000 BTU β Large rooms or open spaces up to 700β800 sq ft
4. Are window ACs with heat hard to install?
No. All the models in this list are DIY-friendly. Most people can install them in 30β60 minutes using the included window mounting kit. Heavier units (14,000+ BTU) may need two people for safety.
5. How much does it cost to run a window AC with heat?
It depends on usage and electricity rates. Efficient inverter models (Midea, LG) typically cost $0.15β$0.35 per hour on cooling and $0.40β$0.70 per hour on heat. Electric heat models cost more to run when heating.
6. Are smart window ACs with heat worth buying?
Yes, if you value convenience. Models with WiFi and app control (GE, LG) allow scheduling, remote control, and energy monitoring, very useful for saving electricity and improving comfort.
7. Which is quieter β heat pump or electric heat window AC?
Inverter heat pump models (especially Midea) are the quietest, often below 45 dB. Traditional compressor models with electric heat tend to be louder (48β55 dB).
8. Can I use a window AC with heat all year round?
Yes. These units are designed for year-round use; cooling in summer and heating in winter. They are especially popular in apartments, condos, and rooms without central heating.
π See My Full Window AC Guides Here β
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