Affordable Window Cleaning Services in Western Massachusetts. A+ Window Cleaners is a local family-owned business that specializes in residential and commercial window cleaning. A+ Window Cleaners is a family owned, local business that has been successfully serving hundreds of happy customers in Massachusetts and Northern Connecticut over the course of 10 amazing years! If you’re looking for a new window cleaning company, you will never have to look again. We take pride in our work and and will never leave your property until your windows shine bright and spotless. 80% of our business is from recurring customers that are on our 1, 2, 3, 4, or 6 cleanings per year plans, every year. We believe this well portrays the high quality of work that we provide at A+ Window Cleaners.