Top Portable Air Conditioner with Heater for Year-Round Comfort
Sometimes the weather surprises us. It’s freezing in the morning and hot in the afternoon. Many people want one machine that can handle both. That’s why more homes and campers are looking for a portable air conditioner with a heater. You don’t have to buy two machines. One unit can cool and heat. That’s helpful.
What Is an Air Conditioner and Heater Combo Called?
This type of unit is often called a portable air conditioner with heater or an AC heater combo. Some companies call it a 4-in-1 AC or multi-functional air cooler. These machines usually come with four modes:
- Cooling
- Heating
- Fan
- Dehumidifier
So, the machine is more than just an air conditioner. It works for every season. Some are built for indoors, others are better for tents or RVs.
Do Air Conditioners with Heaters Work?
Yes, they do. These units can cool you in the summer and warm you in winter. Inside the machine, there’s a heat pump system. It switches directions depending on what you want.
When you need cold air, the unit pulls heat from the inside and pushes it outside. When you need warmth, it does the opposite. That way, you can enjoy comfort in all weather.
People often wonder if the heating is strong enough. Many units use electric heating. Some use reverse cycle heat pumps. The heating works best in small to medium-sized rooms.
Also, if your power supply is not stable or if you live off-grid, some models support battery use. That means they can still run even when there’s no wall outlet nearby.
How Much Does a Portable Air Conditioner with Heater Cost?
Prices are different depending on power, features, and brand. Below is a basic price range:
| Type | Price Range |
| Basic portable AC with heater | $250 – $500 |
| Mid-range model with better cooling/heating | $500 – $800 |
| Premium units with app control, battery support | $800 – $1300 |
If you’re only using the machine indoors, the cheaper models may be enough. But if you plan to use it for camping or during outages, a high-end model is a better fit. These units often support solar charging, battery packs, and smartphone apps.
Best Portable Air Conditioner with Heater of 2025
The EcoFlow WAVE 3.
This portable air conditioner with heater does more than cool you down. It also heats up your space when temperatures drop. It’s portable, smart, and designed for both outdoor and indoor use.
- Cooling and Heating
- 6100 BTU cooling power
- 6800 BTU heating power
- Temperature can drop by 15°F or rise by 17°F in just 15 minutes
- Wireless Use
- Can run for up to 8 hours without cords
- Works with a 1024Wh LFP battery
- Battery lasts up to 10 years for daily use
- Multiple Power Inputs
- Works with the wall outlet
- Solar panels are supported
- Charges in 75 minutes with AC + solar
- Can even charge from your car while driving
- Easy to Control
- Connects to your phone through Wi-Fi or Bluetooth
- The app lets you see battery level, control modes, and set timers
- Quick Setup
- No tools needed
- The exhaust duct is flexible and fits many outdoor setups
- Quiet Performance
- Noise level between 44 and 58 decibels
- Comfortable to use in bedrooms or campsites
- Durable and Safe
- IPX4 water resistance for outdoor protection
- Comes with a 5-year warranty
- Portable Size
- 33.7 lbs (15.3 kg)
- Dimensions: 20.4 × 17.1 × 13.2 inches
The EcoFlow WAVE 3 works well for tents, trailers, cabins, and backup use at home. It is made for people who want year-round comfort in different places.
What You May Want to Know About EcoFlow WAVE 3
Q1: How long can EcoFlow WAVE 3 run on the add-on battery, and what kind of battery is it?
A: EcoFlow WAVE 3 works with a 1024Wh LFP (LiFePO₄) add-on battery. When fully charged, it powers the unit wirelessly for up to 8 hours. The exact run time depends on your cooling or heating setting, ambient temperature, and fan speed.
The battery uses LFP cells, known for high safety and long lifespan, lasting up to 10 years of daily use. This wireless feature is especially useful in places without wall outlets, such as outdoor tents, vans, and off-grid cabins.
Q2: How effective is the WAVE 3 at cooling and heating, and how fast does it work?
A: WAVE 3 delivers 6100 BTU of cooling and 6800 BTU of heating power, suitable for small to medium spaces like tents, trailers, RVs, or bedrooms. According to EcoFlow’s data:
- In cooling mode, it can reduce indoor temperature by 15°F in just 15 minutes.
- In heating mode, it can increase the temperature by 17°F in the same amount of time. This performance makes it highly effective for rapid temperature changes during summer days or chilly nights.
Q3: How do I charge the WAVE 3’s battery, and can I use it during a road trip or blackout?
The battery supports multiple charging methods:
- AC + Solar combo charging fills it in as fast as 75 minutes.
- AC-only charging also works, but takes longer depending on input power.
- With the EcoFlow Alternator Charger, you can charge it while driving; 1 hour of driving provides enough power for a full night’s use.
This flexibility allows WAVE 3 to run not only at home but also during road trips, power outages, or in off-grid situations where traditional outlets are not available.
Q4: Can I use EcoFlow WAVE 3 outdoors in rough weather? Is it waterproof?
WAVE 3 is designed for outdoor use and has an IPX4 water resistance rating. This means it can handle light rain or water splashes from any direction, such as morning dew or brief rain during camping. However, it is not fully waterproof. Do not leave it exposed to heavy rain, floods, or submerge it in water. For long outdoor sessions, place it under a canopy or sheltered area for extra protection.
Q5: How do I control WAVE 3, and what can I do with the EcoFlow app?
You can control WAVE 3 using either the onboard control panel or the EcoFlow app, which connects via Wi-Fi (2.4GHz/5GHz) and Bluetooth. The app gives you access to:
- Real-time battery status
- Mode switching (cooling/heating/fan/dehumidifying)
- Temperature control (between 60.8°F and 86°F)
- Drainage notifications
- Timed shutdowns and scheduling
This remote access is helpful when you’re away from the unit or using it in a vehicle or tent where manual access is inconvenient.