When comfort year-round is essential, a furnace and air conditioner combo can simplify control, reduce clutter, and improve energy efficiency. The following five products blend cooling with heating capabilities in versatile formats—from window units to portable systems—so you can maintain a comfortable environment in spaces ranging from cozy bedrooms to open living areas. Each option supports practical year-round climate control, with smart features, energy efficiency, and easy operation designed for American homes.
| Product | BTU | Area (sq ft) |
|---|---|---|
| Midea 8,000 BTU Window Unit With Heat | 8,000 | Up to 350 |
| LG 23,000 BTU Window Air Conditioner With Heat | 23,000 | Up to 1,400 |
| LG 23,500 BTU Dual Inverter Window AC | 23,500 | Up to 1,440 |
| Whynter 14,000 BTU Portable AC With Heat | 14,000 | Up to 500 |
| ROVSUN 8,000 BTU Window AC With Heat | 8,000 | Up to 350 |
Midea 8,000 BTU Window Unit With Heat
This 8,000 BTU window air conditioner doubles as a heat source, delivering cooling for spaces up to about 350 square feet and providing supplemental heat when needed. It’s designed for energy efficiency with an Energy Star rating and uses inverter technology to reduce electricity usage compared with conventional units. The model includes multiple modes—Heat, Auto, Cool, Dry, and Fan—and three fan speeds, plus a 24-hour timer and an ECO setting for steady comfort. A built-in LED display and remote control simplify operation, while voice control via Alexa or Google Assistant adds smart convenience in a compatible home.
- 8,000 BTU cooling with supplemental heat; suitable for rooms up to 350 sq ft
- Energy Star certified; inverter technology for energy efficiency
- 5 modes and 3 speeds; 24-hour timer; remote and app/voice control
- Front-access washable filter; adjustable air direction with swing louvers
In practical use, this unit prioritizes compact rooms such as bedrooms or home offices where a single‑unit solution is preferred. It provides year‑round climate control in a single appliance and is relatively straightforward to install in a standard window. The combination of heat and cool makes it a solid choice for seasonal comfort without needing a separate furnace and A/C system in smaller spaces.
LG 23,000 BTU Window Air Conditioner With Heat
This 23,000 BTU LG window unit brings robust cooling plus supplemental heating for large rooms up to 1,400 square feet. It emphasizes quiet operation, with sound performance designed to minimize interruptions. The unit offers two cooling/heating/fan speed options that let you tailor airflow and comfort levels. Built-in remote control and a console with an LED display enable easy setup from across the room, while the heat function helps maintain warmth on cooler days. For households needing reliable climate control in larger living spaces, this model provides substantial capacity and flexible operation.
- High-capacity 23,000 BTU with heat for sizable spaces
- Low-noise operation enhances sleep and focus
- Multiple modes and speeds for customized comfort
- Remote control and clear LED display for easy use
With its 230V configuration and substantial cooling/heating capacity, this LG option is well-suited to larger living rooms, open plans, or home offices that require consistent temperature management across seasons. The unit’s efficiency and feature set aim to deliver steady climate control while keeping energy use in check.
LG 23,500 BTU Dual Inverter Window AC
For users seeking premium energy efficiency and quiet operation, this 23,500 BTU dual-inverter LG unit fits spaces up to roughly 1,440 square feet. Its inverter technology enables smoother temperature control and reduced energy consumption compared with standard window systems. The model integrates LG ThinQ smart control, allowing you to manage cooling and heating remotely via a smartphone. Compatibility with voice assistants like Amazon Alexa and Google Assistant adds hands‑free convenience. The unit focuses on strong performance with flexible scheduling and responsive climate control for large living areas or multi‑room setups.
- Dual Inverter technology for smoother cooling and heating
- Up to 1,440 sq ft coverage; energy-efficient operation
- LG ThinQ app control; supports Alexa and Google Assistant
- Quiet performance suitable for living rooms and bedrooms
Its combination of large-capacity cooling with a powerful heat option makes it a compelling choice for homes that require consistent climate control in bigger spaces. The built‑in smart features provide flexible management while maintaining efficient energy use over time.
Whynter 14,000 BTU Portable AC With Heat
This portable 14,000 BTU unit provides flexible climate control for rooms up to about 500 square feet, with both cooling and heating capabilities. It features dual-hose operation that improves efficiency and reduces humidity more effectively in many environments. The unit includes a dehumidifier function and a built-in fan, plus a window kit for easy installation. While portable units may be moved to different spaces, they still offer consistent temperature management without requiring a window installation in every room. The Whisper-quiet operation at low speeds helps minimize disruption during sleep or work.
- All-in-one cooling, heating, dehumidification, and fan
- Dual-hose design for improved efficiency and dehumidification
- Includes window kit; wheels for portability
- LED display and multiple operating modes
Ideal for flexible layouts—such as living rooms, family rooms, or temporary spaces—this Whynter unit delivers strong performance with the convenience of mobility. It’s particularly suitable for renters or households that want the option to relocate temperature control as needed.
ROVSUN 8,000 BTU Window AC With Heat
The ROVSUN 8,000 BTU window unit combines cooling with 4,000 BTU supplemental heating for spaces up to about 350 square feet. It also features a dehumidifier and a fan function, making it a versatile all-season solution. The model supports voice and app control, enabling remote adjustments via compatible smart devices. It runs on standard 115V electrical supply and includes an LED display for easy monitoring. With a 24-hour timer and a remote, this unit offers flexible scheduling and convenient operation in modest-size rooms, apartments, or home offices seeking unified climate control in a single appliance.
- 8,000 BTU cooling with 4,000 BTU supplemental heat
- Dehumidifier and fan modes for all-season comfort
- Wi‑Fi/app/voice control compatibility
- Remote control and timer for scheduling
For spaces where installation simplicity and multi-season capability are priorities, this model provides a balanced mix of cooling power and heating support without the need for a separate furnace and air conditioner in smaller to mid-sized rooms.
Buying Guide
Choosing the right furnace-and-air-conditioner combo depends on space, climate, and how you plan to use the unit. Consider these purchase factors to compare the options above and similar products:
- Room size and BTU sizing: Select a unit with sufficient BTU to cover the target area. Oversized units can waste energy and underperform, while undersized units struggle to maintain comfort. For large living areas, high-capacity LG models offer robust cooling with heat; for smaller bedrooms, the Midea option provides efficient warmth and cooling in a compact package.
- Heating capability: Look for built-in heating in the unit if you want year-round control. Some windows units include supplemental heat rather than full heating; portable models often feature both heat and cool modes. Check temperature range limits for heat operation in colder climates and any minimum outdoor temperature requirements.
- Energy efficiency: Inverter or variable-speed technology typically improves efficiency and reduces energy costs over time, particularly for longer run times. Energy Star certification is a helpful indicator of efficiency.
- Installation type and space: Window units require a compatible window and sill clearance. Portable units offer flexibility in placement but require access to a window or venting kit. Consider electrical requirements (voltage and dedicated breakers for larger units) and space for venting and airflow clearance.
- Noise levels: Quiet operation is important for sleeping areas or home offices. Many LG models advertise dB levels in sleep or low modes; choose a unit with low noise ratings if sound sensitivity is a priority.
- Smart features and control: Apps, remote controls, voice assistants, and schedules can simplify daily use. Ensure compatibility with your smart home ecosystem (Alexa, Google Assistant, or Apple HomeKit) if needed.
- Maintenance and filters: Washable or easy-access filters help maintain performance. Check for front-panel accessibility and ease of cleaning in your selection.
- Dehumidification: If humidity control is a goal, verify the dehumidifier mode and its efficiency. Some units emphasize dehumidification alongside cooling and heating for air quality improvements.
- Durability and warranty: Look for manufacturer warranties and service networks that support the model you choose. Durable components and solid support can reduce long-term ownership costs.
- Future needs: If you anticipate expanding spaces or reconfiguring rooms, a portable option or a highly efficient inverter model may offer greater flexibility than a single fixed-unit solution.
In summary, for max-first-year performance, the LG 23,500 BTU Dual Inverter model stands out for large spaces with quiet operation and smart features, while the Midea 8,000 BTU window unit provides a compact, energy-efficient solution for mid-sized rooms with integrated heat. For renters or spaces where mobility is valuable, the Whynter portable option offers year-round climate control without permanent installation. The ROVSUN model adds another balanced choice with remote access and 8,000 BTU cooling for smaller rooms, and the LG 23,000 BTU window unit complements larger rooms with strong heating and cooling performance in a traditional window format.