Professional window cleaners are much different then the typical cleaning person who includes glass cleaning within their services provided. The reason I mention this is because many people do not realize the difference it makes in the over all quality. Where a maid may be great for cleaning floors and doing laundry, a window cleaner specializes in one thing " window cleaning".
The cost associated with this specialized service is also very different. Where the typical cleaning service may quote a cost per hour which includes many duties, a professional window cleaning company will charge per job. So how much does window cleaning cost if you hire a professional service? There are many