It depends on the unit itself and the way you have to clean the unit and also the type of filters it takes. The air quality of the area you are wanting to use it would also make a big difference as to how dirty it gets.
The Sharp R1870 is very easy too keep clean.
Stainless steal is easy to clean but can get messy again easy.
Silicone spatulas are easy too keep clean because they are non stick by design. Silicone spatulas do not hold up too heat very well.
Depending on the type of furniture the cleaning difficulty and range from medium to hard. If the furniture is laminated wood it will be fairly easy to keep clean. But is the furniture is stained it will be a lot more difficult to clean and maintain.
Very easy to use but keep your fingers clean, they get greasy fast
There are a lot of different catfish that you can get for your home aquarium. Most of them stay small enough that they are easy to keep.
take a lot of natural tree branches and leaves to make it look as natural as possible and keep it clean.
I would look into the Hepa Filters, I ask your allegist if they have a recommediation. I have had real good luck with the hepa filters as long as you keep filters clean and changed.
Flat keyboards are easier to clean, but they may be a bit more difficult to use. Flexible keyboards, which are very easy to clean, are also becoming available on the market.
Yes, dishwasher safe water bottles are easy to clean and maintain because they can be safely washed in a dishwasher, making it convenient and efficient to keep them clean.
The set is very easy to maintain and keep clean with daily dusting and cleaning.
You won't have to clean it very often,but you'll want to keep it sparkly to impress your guests.Stainless steel is easy to clean and will look beautiful so long as you keep it clean.