Best Through Wall AC Unit with Heat in 2025
Updated on June 2025
#1
Recommended
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- 14,700 BTU/h cooling and 13,500 BTU/h heating capacity suitable for residential, commercial, and hotel applications.
- Operates on 230/208V, 1 phase, 60Hz, using R-32 refrigerant; includes a 20A power plug with reset breaker—ensure compatibility before ordering.
- Wall sleeve and exterior grille are necessary for new installations but must be purchased separately.
- Controlled via a digital push button panel, remote controller, or compatible smartphone app for convenience.
- Shipped palletized; requires freight delivery with an appointment—verify contact details prior to ordering.
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- 14,700 BTU/h cooling and 13,500 BTU/h heating capacity suitable for residential, commercial, and hotel applications.
- Operates on 230/208V, 1 phase, 60Hz, using R-32 refrigerant; includes a 20A power plug with reset breaker—ensure compatibility before ordering.
- Wall sleeve and exterior grille are necessary for new installations but must be purchased separately.
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#2
Value for Money
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- 12,000 BTU cooling capacity for effective temperature control
- Compatible with 230/208v electrical systems
- Dual functionality with both cooling and electric heating options
- Designed for window and wall installation
- Efficient energy use for cost savings
- Durable construction for long-lasting performance
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- 12,000 BTU cooling capacity for effective temperature control
- Compatible with 230/208v electrical systems
- Dual functionality with both cooling and electric heating options
- Designed for window and wall installation
- Efficient energy use for cost savings
- Durable construction for long-lasting performance
#3
6% Off
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- 23,200 BTU cooling and 16,000 BTU heating capacity suitable for areas up to 1,500 sq. ft.
- Functions include cooling, supplemental heating, dehumidification, and fan circulation; supplemental heating for ambient temperatures between 23°F and 76°F.
- Smart remote measures room temperature and communicates with AC unit every 3 minutes for precise cooling.
- Energy-efficient operation using 'Energy Saver' or 'Sleep' mode to lower electricity costs.
- Compact design for installation through the wall, includes window installation kit, with minimum window height of 19.5 inches.
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- 23,200 BTU cooling and 16,000 BTU heating capacity suitable for areas up to 1,500 sq. ft.
- Functions include cooling, supplemental heating, dehumidification, and fan circulation; supplemental heating for ambient temperatures between 23°F and 76°F.
- Smart remote measures room temperature and communicates with AC unit every 3 minutes for precise cooling.
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#4
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- Olmo through-the-wall air conditioner & heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, or hotel applications.
- Operates on 115V, 1Ph, 60Hz; uses R-32 refrigerant—ensure compatibility with your electrical receptacle.
- Includes a wall sleeve for easy installation.
- Can be controlled via a digital push button control panel with LED display, a remote controller, or a compatible smartphone app.
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- Olmo through-the-wall air conditioner & heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, or hotel applications.
- Operates on 115V, 1Ph, 60Hz; uses R-32 refrigerant—ensure compatibility with your electrical receptacle.
- Includes a wall sleeve for easy installation.
- Can be controlled via a digital push button control panel with LED display, a remote controller, or a compatible smartphone app.
#5
22% Off
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- Supplemental heat option available for added warmth on cooler days; designed for wall installation to maintain consistent temperature in various environments.
- Two cooling and heating fan speeds provide customizable air flow for personalized comfort.
- Features a digital control panel, remote control, and 4-way air deflection for enhanced usability; includes filter light reminder and a washable filter for easy maintenance.
- Auto Restart function enables unit to power back on automatically after a blackout, ensuring continuous climate control.
- Effective for cooling rooms up to 440 square feet, making it suitable for medium-sized spaces like bedrooms and offices.
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- Supplemental heat option available for added warmth on cooler days; designed for wall installation to maintain consistent temperature in various environments.
- Two cooling and heating fan speeds provide customizable air flow for personalized comfort.
- Features a digital control panel, remote control, and 4-way air deflection for enhanced usability; includes filter light reminder and a washable filter for easy maintenance.
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#6
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- 18,000 BTU capacity efficiently cools rooms with four operating modes: auto, low, medium, and high.
- Designed for spaces up to 1,000 square feet, ideal for larger rooms and open areas.
- Includes a user-friendly remote control for adjusting settings, with features like sleep mode and a 24-hour timer.
- Simple accordion-style installation fits standard double-hung windows from 28" to 40.5" wide and a minimum height of 18.5".
- Wall sleeve and components provided for through-the-wall installation, which should be done by a licensed professional.
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- 18,000 BTU capacity efficiently cools rooms with four operating modes: auto, low, medium, and high.
- Designed for spaces up to 1,000 square feet, ideal for larger rooms and open areas.
- Includes a user-friendly remote control for adjusting settings, with features like sleep mode and a 24-hour timer.
- Simple accordion-style installation fits standard double-hung windows from 28" to 40.5" wide and a minimum height of 18.5".
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#7
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- Through-the-wall air conditioner and heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, and hotel applications.
- Operates on 115V, single phase, 60Hz electrical system. Check receptacle compatibility before ordering.
- Wall sleeve is not included and must be purchased separately.
- Can be controlled via a digital push button panel with LED display, remote control, or compatible smartphone app.
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- Through-the-wall air conditioner and heater with 8,000 BTU/h cooling and 4,200 BTU/h heating capacity, suitable for residential, commercial, and hotel applications.
- Operates on 115V, single phase, 60Hz electrical system. Check receptacle compatibility before ordering.
- Wall sleeve is not included and must be purchased separately.
- Can be controlled via a digital push button panel with LED display, remote control, or compatible smartphone app.
#8
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- Powerful cooling and heating with 12,000 BTU for spaces up to 550 sq. ft.
- User-friendly electronic control panel featuring digital display, multiple cooling speeds, and programmable timer.
- Quick installation with a window mounting kit designed for minimum window height of 19.5 inches.
- Washable filter helps maintain air quality by capturing dust and debris, ensuring optimal unit performance.
- Convenient remote control allows easy adjustments from a distance.
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- Powerful cooling and heating with 12,000 BTU for spaces up to 550 sq. ft.
- User-friendly electronic control panel featuring digital display, multiple cooling speeds, and programmable timer.
- Quick installation with a window mounting kit designed for minimum window height of 19.5 inches.
- Washable filter helps maintain air quality by capturing dust and debris, ensuring optimal unit performance.
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#9
5% Off
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- Energy-efficient design with inverter technology for optimal cooling and heating performance.
- Five versatile operating modes (auto, cooling, dehumidifying, heating, fan) and multiple fan speeds for customized comfort.
- Remote control functionality with a programmable timer (0.5-24 hours) for convenience and energy management.
- Self-cleaning feature at 134.6°F for hygiene maintenance and reduced upkeep costs.
- Includes a comprehensive manufacturer’s warranty for parts and compressor, ensuring reliability and long-term service.
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- Energy-efficient design with inverter technology for optimal cooling and heating performance.
- Five versatile operating modes (auto, cooling, dehumidifying, heating, fan) and multiple fan speeds for customized comfort.
- Remote control functionality with a programmable timer (0.5-24 hours) for convenience and energy management.
- Self-cleaning feature at 134.6°F for hygiene maintenance and reduced upkeep costs.
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#10
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- 4-in-1 functionality: Combines cooling (14,000 BTUs), heating (10,600 BTUs), fan modes, and dehumidification for spaces up to 700 sq. ft.
- 24-hour programmable timer: Set the air conditioner to cool your room before you arrive home or at bedtime for optimal comfort.
- Sleep mode: Automatically adjusts temperature and fan speed overnight to enhance comfort while conserving energy.
- Auto-restart: The unit resumes previous settings automatically after a power interruption.
- Removable and washable filter: Ensures easy maintenance and prolonged use of the air conditioner.
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- 4-in-1 functionality: Combines cooling (14,000 BTUs), heating (10,600 BTUs), fan modes, and dehumidification for spaces up to 700 sq. ft.
- 24-hour programmable timer: Set the air conditioner to cool your room before you arrive home or at bedtime for optimal comfort.
- Sleep mode: Automatically adjusts temperature and fan speed overnight to enhance comfort while conserving energy.
- Auto-restart: The unit resumes previous settings automatically after a power interruption.
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