For maintaining a comfortable indoor environment throughout the year, electric heater and air conditioner wall units offer an all-in-one solution. These systems provide reliable heating during colder months and efficient cooling in the summer, making them ideal for bedrooms, apartments, offices, and other living spaces. Below is a summary table of the best units available on Amazon, chosen for their features, capacity, and user convenience.
| Product | Brand | BTU (Cooling / Heating) | Room Coverage | Key Features |
|---|---|---|---|---|
| LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat | LG | 9,800 / Supplemental Heat | Up to 440 sq.ft. | Multiple fan speeds, remote control, 4-way air deflection, washable filter |
| Keystone 18,800 BTU Window-Wall Air Conditioner with Supplemental Heating | Keystone | 18,800 / 16,000 | Up to 1,000 sq.ft. | Cooling, heating, dehumidification, smart remote with temperature sensing |
| Midea 12,000 BTU Smart Inverter Window AC with Heat | Midea | 12,000 / Supplemental Heat | Up to 550 sq.ft. | Inverter technology, energy star rated, smart app & voice control, quiet operation |
| Cooper & Hunter 15,000 BTU PTAC Packaged Terminal AC & Heater | Cooper & Hunter | 14,700 / 13,500 + 3.5kW Electric Heater | Residential and commercial use | Heat pump, electric heater backup, wireless smart kit, R-32 refrigerant |
| Aire Acondicionado De Pared 2 In 1 Smart Wall Air Conditioner Cooler & Heater | Generic | — | Bedroom, office, nursery | Wall-mounted, quiet, adjustable cool & warm, remote control, timer |
LG 9,800 BTU Through The Wall Air Conditioner With Supplemental Heat
The LG 9,800 BTU through-the-wall air conditioner combines effective cooling with supplemental heating, ideal for rooms sized up to 440 square feet. It features multiple fan speeds for cooling, heating, and air circulation, allowing precise temperature control. The unit offers easy installation through the wall, stabilizing the room temperature without taking up floor space.
Equipped with a digital control panel and remote, users can conveniently adjust settings. The 4-way air deflection expands flexibility in directing airflow. Features such as a removable, washable filter and a filter light reminder promote easy maintenance. This unit suits bedrooms or offices needing consistent climate control year-round.
Keystone 18,800 BTU Window-Wall Air Conditioner With Supplemental Heating
The Keystone 18,800 BTU window-wall air conditioner is built for large spaces up to 1,000 square feet, offering powerful cooling and 16,000 BTU supplemental heating capacity. In addition to cooling and heating, it delivers dehumidification and fan circulation for year-round comfort.
The innovative smart remote includes a built-in temperature sensor, providing accurate room temperature readings every 3 minutes and adjusting operation accordingly. The supplemental heating mode is intended to boost warmth during mild cold conditions rather than acting as a primary heat source, ensuring efficient energy use.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit With Heat
This Midea 12,000 BTU smart inverter air conditioner is suitable for rooms up to 550 square feet, efficiently cooling and heating with added dehumidification. Its variable-speed inverter technology reduces electricity consumption by up to 35% compared to standard units while delivering consistent performance.
The unit includes 5 operational modes: heat, auto, cool, dry, and fan, along with three fan speed settings. Easy control is enabled via an LED display, remote, or smartphone app with Alexa and Google Assistant compatibility. The quiet design and washable front-access filter add to user convenience.
Cooper & Hunter 15,000 BTU PTAC Packaged Terminal AC & Heat Pump
The Cooper & Hunter 15,000 BTU PTAC unit combines cooling, a heat pump, and electric heater backup for complete climate control in residential, commercial, or hotel environments. It delivers 14,700 BTU cooling and up to 13,500 BTU heating capacity, along with an additional 3.5kW electric heater.
This system uses environmentally friendly R-32 refrigerant and comes with a wireless smart kit, including a remote and power cord. Designed for 230/208V power supply, it fits standard wall sleeves for easy installation. Note that wall sleeves and exterior grilles are sold separately for new setups.
Aire Acondicionado De Pared 2 In 1 Smart Wall Air Conditioner & Heater Combo
This Aire Acondicionado De Pared 2 In 1 wall-mounted AC and heater caters to smaller spaces such as bedrooms, offices, or nurseries. With its quiet operation, adjustable cooling and heating, and intelligent constant temperature feature, this unit delivers comfort without disruption.
Its ventless design requires no windows, providing installation flexibility. The unit includes a remote control and an 8-hour timer, allowing for convenient scheduling. Additionally, a towel rack enhances space usage, making it practical for drying towels while warming the room.
Buying Guide: Choosing The Right Electric Heater And Air Conditioner Wall Unit
BTU Capacity And Room Size Compatibility
BTU (British Thermal Unit) rating determines the cooling and heating power. Select a unit with BTU capacity matching the room size to ensure efficient temperature control. Undersized units struggle to cool or heat adequately, while oversized units may cycle frequently, wasting energy.
Heating Type And Efficiency
Units may offer supplemental heat, heat pump technology, or electric resistance heating. Heat pumps are generally more energy-efficient but operate best above certain temperatures. Supplemental heaters assist primary heating but are not ideal for very cold climates. Review efficiency ratings like Energy Star certifications for cost savings.
Installation Type
Wall-mounted through-the-wall units require a dedicated wall sleeve, providing a permanent and clean installation without occupying window space. Window-wall units can be installed in windows or walls but may need mounting kits. Consider available space and ease of installation when choosing.
Controls And Smart Features
Remote controls, digital panels, timers, and smart connectivity (Wi-Fi, app control, voice assistant compatibility) enhance user convenience. Smart remotes with temperature sensors offer more precise room comfort by adjusting output based on current room conditions.
Noise Level And Airflow Control
Quiet operation is vital for bedrooms or offices. Look for units specifying noise ratings or featuring silent modes. Adjustable louvers or 4-way air deflection enable better airflow direction, improving comfort and circulation.
Maintenance And Filter Accessibility
Easy access to washable or replaceable filters reduces upkeep effort and cost. Filter indicators or reminder lights help maintain performance and indoor air quality. Additionally, consider units with simple exterior cleaning requirements.
Additional Features
- Dehumidification: Helps remove excess moisture, improving comfort in humid conditions.
- Energy Saving Modes: Eco modes reduce power consumption during lower demand.
- Timer Functions: Programmable on/off timers enable scheduled operation.
- Supplemental Features: Some units include extras like towel racks or ventilation enhancements.