Find the 2 Best HVAC Contractors in Sudbury, ON

Castle Plumbing & Heating provides comprehensive plumbing, heating, ventilation, and water filtration services to residential and commercial clients in Sudbury since 1990. We combine technical expertise with 24/7 emergency response capabilities for HVAC systems, water pumps, and plumbing infrastructure. Our licensed professionals deliver both reactive repairs and proactive maintenance programs to ensure system reliability and energy efficiency.

Accutron Instruments specializes in advanced mine ventilation monitoring systems since 1993. We develop ultrasonic airflow sensors, environmental monitors, and gas detection equipment for underground mining and industrial applications. As ISO 9001 certified manufacturers, we provide real-time data solutions trusted in 35+ countries.