Finding the right electric heater and air conditioner wall unit is essential for maintaining comfortable temperatures throughout the year. These units combine cooling and heating functions, making them ideal for rooms where space-saving and versatility are priorities. Below is a summary of five top units that balance performance, features, and ease of installation.
| Product | Cooling Capacity (BTU) | Heating Capacity (BTU) | Best For | Key Features |
|---|---|---|---|---|
| LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat | 9,800 | Supplemental Heat Option | Rooms up to 440 sq.ft. | Multiple fan speeds, remote & digital control, washable filter |
| Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Heating | 18,800 | 16,000 | Large rooms up to 1,000 sq.ft. | Smart remote, multiple modes, window or wall mount |
| Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat | 12,000 | Supplemental Heat | Rooms up to 550 sq.ft. | Energy Star rated, smart app control, inverter technology |
| Cooper & Hunter 15,000 BTU PTAC Packaged Terminal Air Conditioner & Heater | 14,700/14,500 | Up to 3.5 kW Electric Heater | Residential & commercial use | R-32 refrigerant, remote, wireless kit included |
| Aire Acondicionado De Pared Portable 2-in-1 Smart Air Conditioner Heater | Not specified | Heating and Cooling Combo | Office, bedroom, garage | Quiet operation, space-saving wall-mounted design, remote |
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- LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat
- Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating
- Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
- Cooper & Hunter 15,000 BTU PTAC Packaged Terminal Air Conditioner & Heat Pump
- Aire Acondicionado De Pared 2-in-1 Smart Wall Air Conditioner and Heater
- Buying Guide for Electric Heater and Air Conditioner Wall Units
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat
This LG wall unit combines air conditioning and supplemental heating to maintain steady temperatures in rooms up to 440 square feet. It features 2 cooling, heating, and fan speeds to customize airflow based on your needs, and 4-way air deflection for even air distribution. The easy-to-use digital control panel and remote offer convenience, while the washable filter and trim kit simplify maintenance. Its 230V power supply and through-the-wall installation make it a practical choice for bedrooms or offices.
Keystone 18,800 BTU Window-Wall Air Conditioner with 16,000 BTU Supplemental Heating
The Keystone unit boasts powerful cooling at 18,800 BTU and supplemental heating at 16,000 BTU, suitable for large spaces up to 1,000 square feet. It provides multi-function use including cooling, heating, dehumidification, and fan circulation. The smart remote features an LCD screen that senses room temperature and adjusts the unit accordingly. It is designed for window or wall installation with 230V power requirements, making it a versatile choice for apartments and living rooms requiring year-round climate control.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat
This Midea model offers energy-efficient cooling and heating with 12,000 BTU capacity for rooms up to 550 sq. ft. It features inverter technology for quieter operation and up to 35% energy savings. Five operation modes include heat, auto, cool, dry, and fan with 3-speed settings. It supports smart connectivity via app and voice control for Alexa and Google Assistant. The washable front filter and automatic defrost enhance performance and maintenance ease.
Cooper & Hunter 15,000 BTU PTAC Packaged Terminal Air Conditioner & Heat Pump
Designed for residential and commercial use, this Cooper & Hunter PTAC unit provides 14,700 BTU cooling and 13,500 BTU heating plus a built-in 3.5 kW electric heater. It runs on 230/208V power with R-32 refrigerant, including a wireless smart kit, remote control, and standard 20A power plug. Note that wall sleeve and exterior grille are required but sold separately. This makes it a robust, all-in-one climate control solution suited for hotels and multi-room applications.
Aire Acondicionado De Pared 2-in-1 Smart Wall Air Conditioner and Heater
This portable, wall-mounted smart air conditioner and heater combo is designed for all-season use in bedrooms, offices, or garages. Its compact design features a safe and quiet turbine motor with adjustable cool and warm settings. The unit offers uniform airflow and an 8-hour timer for uninterrupted comfort. Unique features include a towel rack for drying and space-saving installation without the need for external windows or ducts.
Buying Guide for Electric Heater and Air Conditioner Wall Units
When selecting a wall unit that provides both heating and cooling, consider these critical factors to ensure optimal performance and investment protection.
1. Cooling and Heating Capacity
Check the BTU ratings for both cooling and heating. Choose a model that matches the size of your room — too little BTU results in insufficient climate control, while too much wastes energy. For rooms up to 500 sq.ft., units with 10,000 to 12,000 BTU are sufficient; larger rooms require higher capacity, like 15,000 BTU or more.
2. Installation Type and Space Requirements
Consider if you prefer through-the-wall or window-wall installation. Through-the-wall units provide a permanent and secure solution but may require professional installation. Window-wall units are more flexible but need appropriate window dimensions. Portable wall-mounted designs are ideal for renters or spaces without windows but may sacrifice some performance.
3. Energy Efficiency and Technology
Look for Energy Star certifications and inverter technology for quieter operation and energy savings. Units with heat pump technology deliver faster and more efficient heating compared to electric resistance heaters, especially in moderate climates.
4. Control Features and Convenience
Remote control, digital displays, programmable timers, and smart home connectivity offer easy operation and customization. Adjustable fan speeds and 4-way air deflection enhance comfort by directing airflow effectively.
5. Maintenance and Durability
Removable, washable filters and filter light reminders simplify upkeep. Check warranty coverage and refrigerant type (favoring R-32 for environmental benefits). Durable construction materials protect against wear for wall-installed or frequently used units.
6. Supplemental Heating vs. Primary Heating
Many units offer supplemental heat, ideal for mild to moderate cold spells but not for sustained primary heating in cold climates. Confirm heating capacity matches your climate needs; backup electric heaters can provide additional warmth when necessary.