Finding the best heater air conditioner combo wall unit is essential for maintaining a comfortable indoor environment throughout the year. These units combine cooling and heating features, often with added benefits like dehumidification and smart controls, making them versatile solutions for various room sizes. Below is a comparison table summarizing five top-rated models designed for wall or window installation, highlighting their key specifications to help you choose the right unit for your space.
| Product | Cooling Capacity (BTU) | Heating Capacity (BTU) | Room Size (Sq.Ft.) | Smart Features |
|---|---|---|---|---|
| Keystone 18,800 BTU Window-Wall Air Conditioner | 18,000 | 16,000 Supplemental | Up to 1,000 | Smart Remote with Temperature Sensing |
| Whirlpool 12,000 BTU Window AC with Supplemental Heat | 12,000 | 11,000 Supplemental | Up to 550 | Programmable Timer and Eco Mode |
| TCL H14T9XH 14,000 BTU Smart Through-The-Wall AC | 14,000 | 8,600 | Up to 700 | Alexa and Google Assistant Compatible |
| Midea 12,000 BTU Smart Inverter AC with Heat | 12,000 | Supplemental Heat (Heat Pump) | Up to 550 | App and Voice Control (Alexa, Google Assistant) |
| LG 9,800 BTU Through The Wall AC with Supplemental Heat | 9,800 | Included Supplemental | Up to 440 | Digital Control and Remote |
Content Navigation
- Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating
- Whirlpool 12,000 BTU Window Air Conditioner with Supplemental Heat
- TCL H14T9XH Heat 14,000 Smart Through-The-Wall Air Conditioner & Heater
- Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
- LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat
- Buying Guide for Heater Air Conditioner Combo Wall Units
Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating
The Keystone 18,800 BTU Window-Wall Unit offers powerful cooling and supplemental heating for large rooms up to 1,000 square feet. Its cooling capacity stands at 18,000 BTU, combined with 16,000 BTU supplemental heat, suitable for mild heating conditions. This is an all-in-one system supporting cooling, heating, dehumidification, and fan circulation modes. The supplemental heating mode operates efficiently when outside temperatures range from 23 to 76 degrees Fahrenheit and is intended as additional warmth rather than a primary heat source.
Equipped with a smart remote featuring a temperature sensor, the unit adjusts settings every three minutes to maintain precise room comfort. It runs on 230V and offers a reliable solution for living rooms or apartments where year-round temperature regulation is required.
Whirlpool 12,000 BTU Window Air Conditioner with Supplemental Heat
This Whirlpool 12,000 BTU Window AC unit provides efficient cooling paired with 11,000 BTU supplemental heating, ideal for spaces up to 550 square feet. Designed for easy installation with a window mounting kit, it’s suitable for apartments, bedrooms, or living rooms. The electronic control panel supports three cooling speeds, supplemental heating, an eco mode, sleep mode, and a 24-hour programmable timer.
The unit’s 8-way directional air louvers offer customizable airflow. The supplemental heat mode is best for milder climates and should not replace primary heating during extremely cold months. This model balances straightforward controls and multiple comfort options in a compact design.
TCL H14T9XH Heat 14,000 Smart Through-The-Wall Air Conditioner & Heater
The TCL H14T9XH features 14,000 BTU cooling and an 8,600 BTU heating capacity for rooms up to 700 square feet. This through-the-wall unit extends comfort with a built-in dehumidifier to reduce moisture, improving air quality and preventing odors. The dry mode helps maintain ideal humidity levels during humid months.
Smart home compatibility allows control through Alexa and Google Assistant via voice commands or mobile apps. Operating on 230V, this model brings technology-driven convenience and efficient year-round performance to medium-sized rooms.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
The Midea 12,000 BTU Smart Inverter AC offers efficient cooling and supplemental heat, perfect for rooms up to 550 square feet. This energy-star rated unit features inverter technology to reduce power consumption by up to 35%, providing quiet operation and electronic controls. It supports five operating modes: heat, auto, cool, dry, and fan, with three fan speeds to customize airflow.
Wi-Fi connectivity and compatibility with Alexa and Google Assistant enable remote control and voice commands. The washable front filter simplifies maintenance, and the unit responds to temperature conditions, though its heat pump function is limited below 41°F outdoors.
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat
The LG 9,800 BTU Through the Wall AC is designed for smaller spaces up to 440 square feet, offering both cooling and supplemental heating options. This model provides two speeds for cooling, heating, and fan modes, allowing flexible airflow management. The digital control panel and remote facilitate ease of use, alongside a 4-way air deflection for versatile temperature regulation.
Included features like a filter light reminder, removable washable filter, and trim kit enhance usability and maintenance. Its compact design is well-suited for bedrooms or offices requiring consistent temperature control in limited spaces.
Buying Guide for Heater Air Conditioner Combo Wall Units
Choosing the right heater air conditioner combo wall unit depends on various factors to maximize comfort and efficiency. Here are key considerations:
Cooling and Heating Capacity
Assess the size of the room where the unit will be installed. Cooling capacity, measured in BTUs, should match room size for efficient performance. Heating capacity, often supplemental, varies; ensure it aligns with your climate needs. Larger spaces require higher BTU ratings for both cooling and heating.
Installation Type
Window and through-the-wall units are common. Window units typically offer easier installation but may affect window use, while wall units require a dedicated sleeve or cut-out. Verify the unit voltage compatibility (115V or 230V) and electrical requirements before purchase.
Energy Efficiency
Look for Energy Star-rated models or those with inverter technology to reduce energy consumption. Efficient units offer substantial savings on electricity bills and less environmental impact. Check for features like eco modes and programmable timers to optimize operation times.
Smart Features and Controls
Remote controls, digital displays, and smart home compatibility enhance usability. Voice control through Alexa or Google Assistant provides convenient operation. Some units include temperature-sensing remotes for precise climate maintenance.
Additional Functionalities
Consider integrated features such as dehumidification to improve air quality and prevent mold or odors, especially in humid environments. Fan-only modes allow airflow without temperature adjustments, increasing versatility. Washable filters make maintenance easier.
Heating Limitations
Many heater functions serve as supplemental heat, effective only in moderate cold. If expecting very low temperatures, consider if the unit’s heating capacity meets your primary heating needs or if supplemental heat is sufficient.
By evaluating room size, installation needs, energy efficiency, and added functionalities, you can select a heater air conditioner combo unit that delivers year-round comfort with convenience and cost savings.