October DealsAmazon USOctober deal check: compare before you payAmazon US: current deals, useful picks and tech finds.Check DealsPC HealthRecommendedCrashes, freezes, slowdowns? Check your PC nowSpot repairable issues before they interrupt work.Check PCOctober DealsAmazon USDeal season is back - check today's better picksAmazon US: current deals, useful picks and tech finds.See Picks×
Skip to content
Bettesworth Construction
Energy Efficiency

Best Window Heat Pumps: Midea and GE Models to Compare

Midea and GE offer window-mounted cooling and heating examples, but the available listings do not establish a tested winner or cold-weather performance. Compare the verified specifications and check exact-model heating data, fit, and current availability before buying.

By Bettesworth Construction Team 5 min read
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Looking for recommendations for window heat pumps? These window-mounted units combine air conditioning with heat-pump heating, so one appliance can cool a room in summer and provide heat in milder weather. The evidence available supports comparing Midea and GE Appliances models, but it does not establish a tested winner or confirm how well any of these units heat in very cold outdoor conditions.

The right choice depends first on whether you need cooling only, supplemental heat in spring and fall, or dependable heating through cold winters. Check heating capacity and the manufacturer’s minimum operating temperature before relying on a unit as a primary heat source.

How a window heat pump works

A heat pump moves heat rather than generating all of its heat through electrical resistance. ENERGY STAR explains that an air-source heat pump extracts heat from outdoors into a home in winter and removes heat from the home in summer (ENERGY STAR’s air-source heat pump overview). In a window unit, the cooling and heating functions are built into one appliance.

Heat-pump operation can use energy efficiently, but that does not guarantee lower bills for every home. Savings depend on the unit, how it is used, local weather, the existing heating system, and the room. No quantified savings comparison for the specific models below is established by the cited product listings.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
#1 Best Overall
Midea 12,000 BTU Window Air Conditioner with Heat, 550 Sq Ft
  • Multi-Season Comfort – This Midea 12000 BTU air conditioner is more versatile than standard AC units, offering powerful cooling and dehumidification in the summer and reliable supplemental heat in the fall. Best for large rooms up to 550 square feet. Note: Heat pump function will not operate if outside temperature is below 41°F.
  • Easy To Use – This air conditioner and heat unit is well-equipped with a digital LED display, 5 Modes, 3 speed settings, 24-hr Timer, and ECO energy saver. The Swing button adjusts the louvers up/down to direct the airflow. Wireless enabled, control your comfort from your smartphone and your smartwatch using the Midea SmartHome app or your voice via Alexa and Google Assistant. All functions can be set via the control panel, remote control, and app or voice assistant.
  • Save on Energy Without Sacrificing Comfort – This UL Listed, Energy Star certified air conditioner uses inverter technology to quickly cool your bedroom or apartment while providing up to 35% energy savings compared to the Energy Conservation Standard. With 12,000 BTUs, a CEER of 13.3, and 115V operation, this ac unit is loaded with features like auto shutoff, defrost control, and a washable front filter to maintain peak performance.
  • Ultra Low Noise Performance – This ac window unit operates at a noise level as low as 45 dBA. It’s such a quiet air conditioner that you will barely notice it, even when it’s on high. Enjoy your Zoom call, watch your favorite TV show, have a conversation. This ac unit for bedroom also creates just the right amount of white noise so you can get some rest.
  • Install Specs – This window air conditioner is designed to fit double hung windows with opening widths of 24 to 38.5 inches. Lower sash must open sufficiently to allow a clear vertical opening of 14.5 inches. AC window unit measures 19.41"W x 22.17"D x 13.9"H. Included components: 12000 btu window air conditioner, remote control, installation kit. This ac heater combo window unit is as a close as you can get to a mini split a/c. You may like it so much you just might buy two!

Window heat-pump models to compare

These are source-backed examples, not ranked recommendations based on comparative testing. ENERGY STAR and GE Appliances provide some product and cooling information, but the cited sources do not establish heating output, heating efficiency, or minimum outdoor operating temperatures for these models.

Model or variants Cooling and room-size information Published efficiency information Heating details established by cited source
Midea MAH09S1AGR, MAH09N1AGR, MAH09H1AGR, and MAH09W1AGR variants ENERGY STAR lists 9,500 Btu/h cooling capacity for the listed variants. Room-size guidance: not stated in the cited listing. ENERGY STAR listing figures: CEER 17.6 and annual energy use 404.8 kWh/year. These are room-air-conditioner listing metrics, not heating-efficiency ratings or a household savings estimate. Heating mode is listed. Heating capacity and minimum outdoor operating temperature are not stated in the cited listing.
GE Appliances AWGP08WWF GE Appliances identifies it as an 8,000 Btu smart heat/cool window air conditioner for rooms up to 350 sq. ft. This is the manufacturer’s guidance, not independent sizing advice. Not stated in the cited GE support page. Identified as a heat/cool model; heating capacity and minimum outdoor operating temperature are not stated in the cited support page.
GE Appliances AWGP12WWA GE Appliances identifies it as an 11,000 Btu smart heat/cool window air conditioner for rooms up to 550 sq. ft. This is the manufacturer’s guidance, not independent sizing advice. Not stated in the cited GE support page. Identified as a heat/cool model; heating capacity and minimum outdoor operating temperature are not stated in the cited support page.

Sources: ENERGY STAR Most Efficient room air-conditioner results, accessed October 8, 2026; GE Appliances AWGP08WWF support page; and GE Appliances AWGP12WWA support page.

Rank #2
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
  • Multi-Season Comfort - Midea 8000 BTU window air conditioner with heat is better than standard ac units. It will beat the heat in summer with powerful cooling and dehumidification and keep you warm through the fall with supplemental heat. Best for large rooms up to 350 square feet. NOTE: heat pump function works when outside temp> 41°F.
  • Easy To Use – This air conditioner and heat unit comes with an LED display, 5 Modes (Heat, Auto, Cool, Dry, Fan), 3 speed settings (Auto/H/M/L), 24-hr Timer, and ECO energy saver. The Swing button adjusts the louvers up/down to direct the airflow. Wireless control enabled window ac with heat unit from anywhere with the SmartHome App, or with your voice via Alexa and Google Assistant. All functions can be set via the control panel, remote control, and app or voice assistant.
  • Save Energy Being Cool – Save on energy costs and enjoy ultimate comfort with this energy star certified unit. This energy efficient air conditioner unit is engineered with variable-speed inverter technology that will quickly cool your bedroom or apartment space while using considerably less electricity; up to 35% energy savings compared to the Energy Conservation Standard. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance.
  • Ultra Low Noise Performance – This ac window unit operates at a noise level as low as 45 dBA. It’s such a quiet air conditioner that you will barely notice it, even when it’s on high. Enjoy your Zoom call, watch your favorite TV show, have a conversation. This ac unit for bedroom also creates just the right amount of white noise so you can get some rest.
  • Install Specs – This window air conditioner is designed to fit double hung windows with opening widths of 24 to 38.5 inches. Lower sash must open sufficiently to allow a clear vertical opening of 14.5 inches. AC window unit measures 19.41"W x 22.17"D x 13.9"H. Included components: 8000 btu window air conditioner, remote control, installation kit. This ac heater combo window unit is as a close as you can get to a mini split a/c. You may like it so much you just might buy two!

What the ratings can—and cannot—tell you

Cooling figures are not heating ratings

The Midea variants’ 9,500 Btu/h figure describes cooling capacity, while CEER is a cooling-efficiency metric. Neither tells you how much heat the unit supplies or how efficiently it supplies that heat. The cited ENERGY STAR results list heating mode for these models, but do not provide the heating performance figures needed to compare them as heaters.

Annual energy use is not a bill forecast

The 404.8 kWh/year figure is the annual energy-use value shown in ENERGY STAR’s room-air-conditioner listing. It is not a prediction of what a household will use under its own schedule, weather, or mix of heating and cooling, and it should not be used by itself to calculate savings.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #3
ROVSUN 8000 BTU Window Air Conditioner with Heat, AC Unit for Window, 115V
  • ✔ Fast Cooling & Heating: Dive into an all-season solution with our window AC and heater system, this 8000BTU unit featuring air conditioning, 4000BTU heating, dehumidifier & fan function for ideal climate control of room up to 350 square feet. Perfect choice for your room like home, office, or apartment
  • ✔ Considerate Designs: This air conditioner & heater unit comes with an LED display, 5 modes (Heat, Auto, Cool, Dry, Fan), 3 speeds (Auto/H/M/L), 24H Timer and ECO energy-saver. Washable filter is easily accessed from front panel for regular cleaning to maintain peak performance. The swing button adjusts the louvers to direct the airflow. Easily create the perfect environment for multi-seasons
  • ✔ WIFI-Enabled & Voice Control: Beside of the panel & remote control, seamlessly integrate with phone APP or voice control (works with Alexa/Google Assistant); Set routines for optimal temperature changes allows you to adjust your window air conditioner from anywhere so that you can enjoy endless comfort immediately once arriving home
  • ✔ Simple Installation: Included with side panels and other installation parts save you a lot of assembly time. A detailed instruction manual makes assembly easily done in a short period (windows width: 26" - 36"; window height: 16")
  • ✔ 100% Satisfaction: We do cover 1 year warranty on this ac unit, any questions about it, please don't hesitate to contact us at any time for getting a satisfied service. We are confident to stand behind our product and would like to guarantee you a best shopping experience with us

Room coverage is a starting point

GE’s “up to” room-size figures are manufacturer-stated coverage guidance. Actual sizing also depends on room layout, insulation, climate, sun exposure, and other conditions. Use the current product documentation and a qualified installer’s guidance where needed rather than treating the coverage number as a guarantee.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

How to choose the right unit for your use

If you mainly need cooling

Compare cooling capacity, efficiency metrics that apply to cooling, and whether the unit fits your window and electrical setup. ENERGY STAR’s results identify multiple window models and include fields such as cooling capacity, CEER, annual energy use, size, refrigerant, and heating-mode features. Confirm the exact Midea model suffix and specifications on the current listing before choosing a particular variant.

Rank #4
Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier, 230V, Window AC for Large Rooms up to 1,500 Sq.Ft. with Smart Remote Control
  • Reliable Window Conditioner: Our powerful 23,200 BTU cooling capacity / 16,000 BTU supplemental heating capacity window ac unit can efficiently provide comfort all year long for any large space up to 1,500 Sq.Ft.
  • All in One AC: Enjoy cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as primary heat source
  • Smart Remote: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your ac wall unit every 3 minutes for accurate cooling
  • Powerful Cooling on a Budget: Our High Efficiency window AC Unit will give your electric bill a break by using the 'Energy Saver' or 'Sleep' mode
  • Space Saving Design: Save your floor space with window air conditioners; Window installation kit included; Minimum window height: 19.5"

If you want supplemental heat in mild weather

Look for a unit explicitly described as having heating mode, then verify its heating capacity and operating limits in the current manual or product specification. The cited listings identify heat-pump or heat/cool functionality for the examples above, but do not establish how much heat they provide or the outdoor conditions in which they can operate.

If you need dependable heat in cold weather

Do not assume that a window unit will meet that need based only on its cooling capacity or the presence of a heat setting. Before buying, obtain the manufacturer’s heating-output data and minimum operating temperature for the exact model. If those specifications are unavailable, treat cold-weather performance as unverified and consider whether your existing heating system must remain available as backup.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Check fit, installation, and model status before purchase

Neither the cited ENERGY STAR listings nor the GE support pages establish every installation or ownership detail needed to make a final selection. Check the current manual and product documentation for:

  • Exact model suffix, dimensions, minimum window width and height, and any required mounting kit.
  • Electrical requirements, including outlet and circuit needs.
  • Installation instructions, support options, and how condensate is handled.
  • Heating capacity, efficiency, and minimum outdoor operating temperature if you plan to use heat.
  • Warranty terms, current price, retailer stock, and independently measured noise information if these matter to your decision.

Model availability can change. GE’s support pages list manufacturing date ranges ending in July 2026 for AWGP08WWF and March 2026 for AWGP12WWA. These dates do not establish whether a unit remains available for sale or what support applies now; confirm stock and lifecycle status for the exact model. ENERGY STAR’s Air-Source Heat Pump Specification Version 6 page says the specification was finalized in 2024 and updated February 2, 2026, and that the central air-conditioner portion was sunset on that date. That program update does not itself certify any specific room unit.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Leave a Reply

Your email address will not be published. Required fields are marked *

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

More from the Site Office

Recommended PC Tool
Recommended PC Tool
Outdated Drivers Are Slowing You DownFree scan - exact matches
Windows Errors? Fix Them Before They SpreadFree repair scan

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.