If you need a single air conditioner that both cools and provides supplemental heat, these heating-and-cooling AC units combine summer cooling, dehumidification, and winter heating in one appliance. The picks below include inverter window units for energy-conscious buyers, portable all‑season units for renters or rooms without compatible windows, and compact window combos for smaller spaces. Best-for notes: Midea for large rooms and smart control, Keystone for straightforward window heating/cooling, Uhome and Aoxun for portable all‑in‑one use, and ROVSUN for smaller rooms.
| Product | Type | Listed Coverage |
|---|---|---|
| Midea 12,000 BTU Inverter Window AC | Window (Inverter) | Up to 550 sq. ft. |
| Uhome 12,000 BTU Portable AC With Heater | Portable | About 400–450 sq. ft. |
| Aoxun 10,000 BTU 5‑in‑1 Portable AC | Portable | Up to 450 sq. ft. |
| Keystone 12,000 BTU Window AC With Heat | Window | Up to 550 sq. ft. |
| ROVSUN 8,000 BTU Window AC With Heat | Window | Up to 350 sq. ft. |
Midea 12,000 BTU Inverter Window AC With Heat
- Multi‑season comfort: cooling, dehumidifier, and heat pump for supplemental heating.
- Rated to cool up to 550 sq. ft.; Energy Star certified; inverter technology for energy savings.
- Controls: digital LED, 5 modes, 3 fan speeds, 24‑hr timer, app/wireless control, Alexa/Google support.
- Maintenance features include washable front filter, auto shutoff and defrost control.
Best for buyers who want high efficiency and smart controls in a window unit that handles large rooms. This unit was selected for its inverter technology, Energy Star rating, and integrated smart-home control options that reduce runtime and energy use.
Caution: The built‑in heat pump will not operate when outdoor temperature is below 41°F, so it is not a replacement for primary home heating in cold climates.
Uhome 12,000 BTU Portable AC With Heater
- 4‑in‑1: cooling, heating, dehumidifier and fan in a portable cabinet.
- Listed cooling/heating capacity 12,000 BTU; intended for medium rooms around 400–450 sq. ft.
- Features self‑evaporating system to reduce water tray emptying and runs at about 52 dB according to the listing.
- LED display, remote, 24‑hour programmable timer, 3 fan speeds, and swing for airflow direction.
Best for renters and rooms without window‑compatible installations because it offers both cooling and heating without permanent mounting. Chosen for its portability, multi‑function modes, and self‑evaporating design that lowers maintenance frequency.
Caution: Portable units require an exhaust hose and window kit; expect some heat and noise near the exhaust and less efficiency than fixed inverter window models.
Aoxun 10,000 BTU 5‑in‑1 Portable AC
- 5‑in‑1 functionality: cooling, heating, dehumidifier, fan, and sleep mode with timer.
- 10,000 BTU cooling and 8,000 BTU heating capacities; listed coverage up to 450 sq. ft. for cooling.
- Smart temperature control pauses operation when the set temperature is reached to save energy.
- Includes 24‑hour timer, remote control, and window kit for installation.
Best for buyers who want an energy‑aware portable unit with automatic temperature control and multiple operating modes. Selected for its temperature pause feature that reduces unnecessary run time and its versatile mode list for seasonal use.
Caution: Heating capacity is lower than cooling capacity (8,000 BTU listed for heat); it is intended for supplemental heating rather than replacing a primary furnace in cold climates.
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Keystone 12,000 BTU Window AC With Supplemental Heat
- 12,000 BTU cooling and 11,000 BTU supplemental heating; suitable for large rooms up to 550 sq. ft.
- All‑in‑one functions include dehumidification and fan circulation in addition to heating and cooling.
- Remote “I‑Sense” measures room temperature and updates the unit every few minutes per the listing.
Best for homeowners who want a straightforward, powerful window combo that handles both cooling and supplemental heat for large rooms. Selected for its balanced cooling and relatively high supplemental heating capacity in a window format.
Caution: The supplemental heating mode is not intended as a primary heat source; the product listing specifies operation for moderate outdoor temperatures.
ROVSUN 8,000 BTU Window AC With Heat
- 8,000 BTU cooling and 4,000 BTU heating capacity; designed for rooms up to 350 sq. ft.
- 4‑in‑1 operation: cooling, heating, dehumidifier and fan with LED display and remote control.
- Includes mounting kit and side panels for straightforward window installation according to the listing.
Best for small rooms, home offices, or apartments where a compact window unit is needed. Chosen for its simplicity, included installation kit, and appropriateness for smaller spaces where oversized units would be inefficient.
Caution: Lower heating capacity means this unit is primarily for supplemental warmth in cool seasons and not for heating large or poorly insulated spaces.
Buying Guide: How To Choose A Heating And Cooling AC
What room size and BTU capacity do I need?
Match BTU cooling capacity to room area. Window units listed for 12,000 BTU commonly cover up to about 550 sq. ft. Smaller rooms can use 8,000–10,000 BTU units. Portable and window product listings include recommended coverage—use those as baseline and account for high ceilings or strong sun exposure.
Should I choose a window inverter unit or a portable combo?
Window inverter units usually offer better efficiency and lower operating noise. Portable units are best for renters or rooms without compatible windows. Choose an inverter window unit if energy savings and quieter operation matter; choose portable if you require mobility or cannot install a window unit.
Is the heating mode enough for winter?
Many AC heat functions are supplemental; heat pump and electric‑heat modes warm moderately but often cannot replace a central furnace in cold climates. Check the listed operating temperature limits; some heat pumps stop working below specified outdoor temperatures.
How important is energy efficiency and inverter technology?
Inverter compressors adjust speed to meet demand, reducing runtime and energy consumption. Look for Energy Star or CEER/efficiency claims in the product details. Higher efficiency reduces operating cost and running noise over time.
What controls and features should I prioritize?
Consider digital timers, programmable thermostats, auto‑restart, washable filters, dehumidification capacity, and smart‑home connectivity if convenience and remote control matter. Also verify included installation hardware for window units and exhaust kits for portable units.
How to compare maintenance and operating costs?
Window inverters typically require filter cleaning and occasional servicing. Portable units may need periodic draining or rely on self‑evaporation features. Compare listed dehumidification rates, self‑evaporating claims, and filter accessibility to assess ongoing maintenance effort.
FAQ
Can one unit reliably both heat and cool year‑round? Many hybrid units provide both functions, but heating capacity is often supplemental. For cold climates, use a dedicated heating system as primary heat source.
Are portable ACs less efficient than window inverter units? Portable ACs are generally less efficient because they exhaust heat via a hose and often run at fixed compressor speeds. Window inverter units with variable compressors usually offer better energy use.
Do I need a special window for installation? Most window units fit standard double‑hung or sliding windows and include adjustable side panels. Check the product’s recommended window dimensions and included kits before buying.
How often should I clean filters? Clean accessible washable filters every 1–3 months depending on usage and indoor air quality. Follow manufacturer maintenance instructions for best performance.
Will smart controls save energy? Smart controls can reduce energy use by scheduling runtime, adjusting setpoints remotely, and integrating with thermostatic rules. Energy savings depend on usage patterns and unit efficiency.
How to Get the Best HVAC Prices
- Firstly, keep in mind that installation quality is always the most important thing for residential HVAC project. So never sacrifice contractor quality for a lower price.
- Secondly, remember to look up the latest rebates as we talked above.
- Thirdly, ask for at least 3 bids before you make the decision. You can click here to get 3 free estimates from your local contractors, and this estimate already takes rebates and tax credit into consideration and filter unqualified contractors automatically.
Lastly, once you chose the right contractor, remember to use the tactics from this guide: Homeowners Tactics When Negotiating with HVAC Dealer to get the final best price.
