Heating element

Reviewers repeatedly mention a heated-plate or contact-ironing style dryer (often referenced around 149°F) that dries more evenly and quietly than hot-air fan systems; some also describe high-temperature water used during the wash to disinfect the roller.

Built-in heater drives hot air close to 60 degrees Celsius through the brush during drying, helping speed evaporation and reduce odors.

The base station uses warm/heated air drying (often cited around 35–50°C or up to 50°C) to dry the mop roller over several hours, improving hygiene and odor control.

Reviews consistently mention heated air drying for the mop pads, while mop washing is described as room-temperature on the standard model in some reviews; a few sources reference hot-water washing on other variants or in marketing, making this a commonly noted compromise area.

Marketing highlights 140°F hot water washing and hot air drying, and testing suggests the base mainly heats air and the brush area, so the element does a great job drying the roller even if the wash water itself is not dramatically hotter than rivals.

Unlike professional extractors with built-in heaters, the CrossWave relies entirely on tap-hot water in its tank, so the solution cools quickly during use and cannot deliver the kind of sustained high heat that deep grout restoration often benefits from.

As a premium full-size cleaner it relies on users filling the tank with warm tap water and lacks a built-in heater, so water can cool during longer sessions, which some testers see as its main design omission.