Blue Diamond

At Blue Diamond Window Cleaning, we have dedicated ourselves to perfecting the art of residential and commercial window, gutter, and siding cleaning since 1987. Our team of highly trained technicians utilizes state-of-the-art equipment and proven methodologies to deliver spotless results across diverse window types, from traditional multi-paned designs to modern dual-paned glass. Committed to safety and precision, we adhere strictly to WSIB standards and maintain $2,000,000 in liability insurance for complete client peace of mind. With over 35 years of local expertise serving Peterborough, Kawartha Lakes, and Durham regions, we take pride in our 100% satisfaction guarantee and reputation as the area's most reviewed cleaning service.

Our commitment to honesty, integrity, and attention to detail extends to every interaction, ensuring both property and customer care remain our top priorities. Through consistent same-day responsiveness and a focus on hiring trustworthy professionals, we've built lasting relationships with thousands of satisfied homeowners. Recognized for our exceptional customer service and meticulous cleaning processes, we continue to set industry benchmarks through our dedication to quality and continuous improvement.