How to transform spring cleaning into green cleaning

Cleaning products with “green’’ sensibilities are widely available these days, and used by cleaning services as well as homeowners. Nick Dennis of Spotless New England favors Method products, while Joe Paiva of EcoClean makes his own solutions. We spoke with them, as well as Trung Nguyen of VioClean, whose company specializes in air, water, and mold issues, about eco-friendly cleaning practices.