Choose an air conditioner with built-in heat when you need one unit for seasonal cooling, supplemental winter warmth, and dehumidification. This guide highlights five options for different buyers: a high-efficiency inverter window unit for large rooms, two portable AC/heater combos for renters or rooms without suitable windows, a smart 12000 BTU window combo for app control, and a high-capacity window model for large living areas.
| Product | Type | Best For |
|---|---|---|
| Midea 12,000 BTU | Window (Inverter) | Large rooms up to 550 sq. ft.; energy-conscious buyers |
| Uhome 12,000 BTU | Portable | Renters or rooms without compatible windows |
| Aoxun 10,000 BTU | Portable | Medium-to-large rooms needing flexible placement |
| ROVSUN 12,000 BTU | Window | Smart home users who want app and voice control |
| Keystone 12,000 BTU | Window | Large living rooms needing strong cooling and supplemental heat |
Midea 12,000 BTU Window AC With Heat
Features referenced from the product listing:
- Multi-season comfort with cooling, dehumidifier, and heat pump mode; rated for rooms up to 550 sq. ft.
- Inverter technology for quicker cooling and up to 35% energy savings compared to the Energy Conservation Standard; CEER 13.3.
- Digital LED display, 5 modes, 3 fan speeds, 24-hour timer, ECO mode, washable front filter.
- Wireless smart control via Midea SmartHome app; works with Alexa and Google Assistant; remote and control panel included.
Best for large rooms and energy-conscious buyers who want an efficient window unit with smart controls. Choose this if you need high cooling capacity plus inverter energy savings and app control. Avoid this if you require heat operation in very cold climates because the listed heat pump function will not operate if outside temperature is below 41°F.
Uhome 12,000 BTU Portable AC With Heat
Features referenced from the product listing:
- 4‑in‑1 functionality: air conditioner, heater, dehumidifier, and fan.
- 12,000 BTU cooling and heating capacity for rooms up to about 400–450 sq. ft.; self-evaporating system reduces condensate tray emptying.
- Noise level listed down to 52 dB; LED display, remote control, 24‑hour timer, 3 fan speeds, automatic swing.
- Window kit included for venting; moisture removal listed at 91 pints/day.
Best for renters or rooms where a window installation is impractical because the unit is portable and includes a window kit. Choose this if you need flexible placement and multiple modes in one device. Avoid this if you need the highest possible efficiency or lower noise than 52 dB, as portable units generally trade efficiency and noise for mobility.
Aoxun 10,000 BTU Portable AC With Heat
Features referenced from the product listing:
- 5‑in‑1 modes: cooling, heating, dehumidifier, fan, and sleep mode; 10,000 BTU cooling and 8,000 BTU heating.
- Coverage listed up to 450 sq. ft. for cooling and up to 400 sq. ft. for heating; 24‑hour timer and automatic temperature pause when setpoint reached.
- Dehumidifier capacity listed up to 110 pints per day; remote control and window kit included.
- Sleep mode with lights-off operation and 400 CFM airflow noted in the features.
Best for medium-to-large rooms that require a portable solution with strong dehumidification capacity. Choose this if you need higher moisture removal and an automatic pause feature to save energy. Avoid this if you require maximum BTU cooling beyond the listed 10,000 BTU or permanent installation options like a window or through-wall unit.
Don’t Overpay for HVAC Services – Call 888-894-0154 Now to Compare Local Quotes!
ROVSUN 12,000 BTU Window AC With Heat
Features referenced from the product listing:
- 12000 BTU with modes for heating, cooling, dehumidifying and fan; listed for rooms up to 550 sq. ft.
- LED display, 5 modes, 3 speeds, 24‑hour timer, ECO energy-saver, and washable front filter.
- Wi‑Fi enabled and compatible with Alexa and Google Assistant for app and voice control; routines can be set via the app.
- Swing louvers to direct airflow and an easy installation kit referenced in the listing; model noted as 208/230V.
Best for buyers who prioritize smart home integration and want a high-capacity window unit with app and voice control. Choose this if you want remote scheduling, voice commands, and a large room capacity. Avoid this if you need a 115V residential plug because the listing specifies 208/230V operation, which requires compatible electrical supply.
Keystone 12,000 BTU Window AC With Heat
Features referenced from the product listing:
- 12,000 BTU cooling capacity and 11,000 BTU supplemental heating capacity; stated coverage up to 550 sq. ft.
- All‑in‑one functions: cooling, supplemental heating, dehumidification, and fan circulation with a remote-controlled “I Sense” feature.
- Supplemental heating mode described as intended for operation when outside temperatures are between 23 and 76 degrees (as listed by the manufacturer).
- Remote control includes a temperature reading for the room and periodic signal updates to the unit as described in the listing.
Best for large living rooms or apartments needing strong cooling and a supplemental heat option integrated into the window unit. Choose this if you need both high cooling capacity and a built-in supplemental heater. Avoid this if you expect the unit to serve as a primary heat source in very cold climates, since the listing describes the heating mode as supplemental and limited by outdoor temperature guidance.
Buying Guide: How To Choose An Air Conditioner With Heat
What BTU Do I Need?
Match BTU capacity to room size for reliable temperature control. Higher BTU cools or heats larger spaces faster. For example, 8,000–12,000 BTU units commonly suit bedrooms, living rooms, and small apartments. Choose a higher BTU for open floor plans or rooms with high ceilings.
Window, Portable, Or Through‑Wall—Which Is Better?
- Window units: Best for permanent or semi-permanent installation in a compatible window. They typically offer higher efficiency and BTU for the price.
- Portable units: Best for renters or where window installation is restricted. They require venting via a window kit and can be moved room to room.
- Through‑wall units: Best when a dedicated wall sleeve exists or can be installed; they avoid obstructing windows and can be more secure.
Will The Heat Mode Work In Cold Weather?
Many heat-capable ACs use heat pump technology and provide supplemental heat down to a manufacturer-specified outdoor temperature. Check the product listing for minimum outside-temperature guidance. Do not rely on heat-mode ACs as a primary heating source in very cold climates unless the listing states otherwise.
How Important Is Energy Efficiency?
Energy efficiency affects operating cost. Look for CEER, Energy Star certification, inverter technology, and ECO modes to reduce runtime and power draw. Window inverter units usually deliver better efficiency than portable models at similar BTUs.
What Smart Features Matter?
- Wi‑Fi and app control for remote scheduling and temperature routines.
- Voice assistant compatibility for hands‑free control.
- Programmable timers and sleep modes to limit runtime overnight or when away.
Considerations For Installation And Electrical Supply
Confirm window dimensions and mounting hardware needs for window units. Verify voltage requirements—some high-BTU window units require 208/230V circuits. Portable units need a nearby standard outlet but must be vented through a window kit.
FAQ
Can an air conditioner with heat replace my furnace?
Most ACs with heat provide supplemental heating and are not designed to replace a central furnace, especially in cold climates. Check manufacturer guidance about the intended use of the heating mode.
Do portable AC/heater combos require permanent installation?
No. Portable units are designed for temporary placement and use a window kit for exhaust ventilation. They do not require permanent alterations to the property.
How do I maintain the heat and cooling performance?
Clean or wash filters as recommended, keep intake/exhaust areas clear, and follow the manufacturer’s defrost or maintenance guidance. Regular filter cleaning maintains airflow and efficiency.
Are smart features secure and necessary?
Smart features add convenience through remote scheduling and voice control. Evaluate app permissions and use strong passwords on devices. Choose smart connectivity if remote control or home automation integration matters to you.
Will the heating function raise utility bills significantly?
Heating with a heat pump or electric resistance in an AC unit will increase energy use. Energy-efficient models, inverter technology, and ECO modes can reduce runtime and operating cost compared with older units, but heating typically costs more than passive measures or high-efficiency dedicated heating systems.
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.
