An LG washer dryer combo mounted flush into furniture, the bottom drawer open.

All-in-one washer dryer combos are single front-load machines that both wash and dry clothing in the same drum. They can either be heat pump, using a closed-loop heat exchange system at a low temperature, or condenser that uses high heat to absorb moisture. Both types are gaining steam (pun intended).

From their space-saving design to efficiency, consumers realize the benefits of a single all-in-one washer dryer combo machine. Whether it’s for space-saving, convenience, or to accommodate families or individuals with lesser laundry needs, all-in-one washer dryer combos are popular for numerous reasons.

Here, I’ll help you learn the difference between heat pump and condenser all-in-one washer dryer combos, and the benefits and drawbacks of each, so you can make an informed decision for your home.

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How drying works in all-in-one washer dryer combos

A Whirlpool washer dryer set up in a laundry area.

First, it’s important to understand how all-in-one washer dryer combos work, including the drying process. Traditionally, you’d place clothing and linens in the drum of one machine, remove them once done, and transfer to another machine to dry. However, all-in-one washer dryer combos use the same appliance to do both.

Regardless of type, heat pump versus condenser, drying occurs through the process of condensation. As the unit heats up once it goes into drying mode, it slowly extracts moisture from the items. It then cools them to remove the water. There’s no venting process like with a traditional dryer, which gives you more placement options since a hose isn’t necessary. But you do need a water supply, drain, and of course access to a standard power outlet.

Understanding heat pump and condenser technologies

Samsung Washer Dryer combo

In both cases, the technology relates to how the machine get rids of hot air. Washer dryer combo machines overall generally take longer to dry your clothing than a traditional standalone dryer. But they work differently from one another as well.

All-in-one heat pump washer dryers

What is a heat pump washer dryer? And how does a heat pump washer dryer work? Heat pump all-in-one washer dryer combos work similarly to reverse-cycle air conditioners, in a closed-loop heat exchange system to dry at a low temperature. Hot air pulls moisture from your clothing and linens. The hot air passes through an evaporator that pulls the moisture from items inside the drum, sending it to a storage tank or drainage hose. Whatever dry air is left is reheated and basically recycled to continue drying clothing. This cycle repeats until your clothes are fully dry. These machines run at a temperature of about 50°C.

The good news? Delicate clothing and linens are protected from extreme heat damage, like shrinkage and fading colours. Since heat pump dryers expel cool air, they can also cool down a room, which is a welcome side benefit in the humid summers. Plus, since they recycle hot air and run at lower temperatures, they’re more energy efficient. According to ENERGY STAR, heat pump dryers use at least 28 percent less energy than a standard dryer, which can help lower your electricity bill and reduce your carbon footprint. In fact, depending on where you live, there might even be tax rebates for using heat pump washer dryer combos.

Drying, however, takes longer so if you are a large family that often has multiple loads to do, it might not be for you. Clothing might still feel a bit damp when you remove them as well, requiring that you vigorously shake them out. The extra room cooling is nice in the summer, but not so appreciated in the frigid winter.

All-in-one condenser washer dryers

How does a condenser washer dryer work? By contrast, condenser all-in-one washer dryer combos go the traditional route, using hot air (70-75°C) to dry clothing by absorbing moisture from them. The hot air is sent to a condenser chamber, turned to water, and expelled through a drainage hose. In some machines, it’s sent to a container that you need to manually empty once the load is done. They require a well-ventilated area so the hot air can escape as it runs.

You might prefer a condenser model if you need to cycle through loads quickly since they tend to dry faster. They’re easy to install since they don’t require venting. Though you need a well-ventilated room, you have more options in terms of placement. They tend to be compact as well. However, they use more energy and thus can be more expensive to run. You might also not want the high heat for more delicate items. But for larger families who need to do multiple loads on laundry day, and if you do a mix of machine washing and drying and hanging to dry, these machines are a good option.

Heat pump vs. condenser technology

A Samsung washer dryer combo in a bright kitchen by the window.

Let’s see how these two all-in-one washer dryer combo technologies compare head-to-head when considering some of the key factors you want to consider.

Key factorsHeat pump technologyCondenser technology
Energy efficiencyLow temperature, more energy efficientHigh temperature, less energy efficient
Drying speedsSlow to dryQuick to Dry
Fabric careIdeal for delicates, gentle garment careNot ideal for delicate items
Installation/venting needsVentless, some require a drain hoseVentless, only requires room with good air circulation
Typical household fitSmaller homes with less laundry needs, delicate itemsLarger families with more loads, compact spaces, more versatile placement options

Choosing between heat pump and condenser all-in-one washer dryers

A GE washer dryer combo in a laundry area.

So, how do you choose which option is right for you and your family? It comes down to personal needs and preferences.

If you live in a busy household where time is of the essence, you might prefer a condenser dryer that can get clothing dried faster. This is especially so if you have a spot to hang delicate items to air dry and typically only dry non-delicate items. If you often do multiple loads in a day, a condenser all-in-one washer dryer combo won’t impede your process.

If you don’t do many loads every week or tend to do a single load twice a week, for example, a heat pump dryer could be ideal. Even though they take longer, they save energy. You can also toss just about anything in the machine (always check your clothing labels for instructions) to get everything done in one fell swoop.

A condenser dryer is ideal if you want flexibility in terms of placement and installation. With a heat pump dryer, you might find that the long-term cost benefits relating to the reduction in energy usage could be worth going this route. It’s worth considering all-in-one washer dryer combos with AI technology, which is transforming the experience through added smart and personalization features.

Find a wide selection of both heat pump and condenser all-in-one washer dryer combos at Best Buy.

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Christine Persaud
With 20+ years of experience in trade and consumer tech journalism, I have covered the tech space since before social media was a "thing" and the smartphone as we know it was even invented. Writing for various technology, lifestyle, and entertainment sites, I have covered and reviewed hundreds of tech products, from home appliances to wearables, fitness tech to headphones, TV entertainment products and services, and more. I'm also a passionate foodie who loves to cook and bake, a TV show fanatic (happy to give what to watch recommendations!), and proud mother to a 12-year-old son.