If you are willing to pay more, there are clean hotels in Copenhagen. Just remember you get what you pay for. Therefore the more you pay the more likely you will get a clean hotel.
Cheap hotels in Copenhagen include the Ascot Hotel & Spa and the Copenhagen Admiral Hotel. Other cheap hotels include the Adina Apartment Hotel Copenhagen and Hotel Kong Arthur.
Several hotels are close to CPH. Phoenix Copenhagen, Copenhagen Strand, and many other affordable hotels are right near the airport. Typically hotel chains always build close to airports for convenience to travelers.
There are actually two Radisson Hotels in Copenhagen. One is the Radisson Blu Royal Hotel in Copenhagen and the other is the Radisson Blu Scandinavia Hotel in Copenhagen.
One can read reviews of cheap hotels in Copenhagen in a website called Trip Advisor. It is recommended because it is possible to set a price range there.
This Guardian article was published in April 2011. The hotels featured are Hotel Fox, Hotel Sct Thomas, Wake Up Copenhagen, Tivoli, Hotel Christian IV, Danhostel Copenhagen City, Axel Hotel Guldsmeden, Ibsens Hotel, Hotel Cph Livng.
If you are looking for five star luxury while visiting Denmark, look no further than the FRONT hotel located in Copenhagen. Another great option is Hotel D'Angleterre Copenhagen.
It depends on the hotel that you are looking for. Many of the hotels are clean, but they will cost more money. The ones that don't cost as much money probably aren't as clean.
When you compare to the rest of Europe... Copenhagen is outrageously expensive!
The 'Cab Inn' chain has a couple of hotels e.g. http://www.cabinn.com/kbh/city/city.html - it centrally located (close to Tivoli and Central station), cheap and simple (a bit like the McDonald's of hotels)
There are pretty many hotels in Pacific City hotels but two that stand out are the Liberty in and the Craftsman Bed and Breakfast. They both look very comfortable and clean.
The best hotels in savannah (georgia) I am assuming, is the chain hotels like holiday inn, days inn, red roof inn, and other like hotels. these hotels are garanteed to be clean and a good price.
Deshaies Hotels are found in Guadeloupe. They offer clean, reasonably priced hotels, most with ocean views. There are several hotels in this city, all with good to excellent reviews.