Browse the Top HVAC Companies Serving Willimantic, CT

R.J. Riquier Plumbing Heating and AC provides comprehensive plumbing, HVAC, and solar thermal solutions for residential and commercial clients across Eastern Connecticut. With over five decades of combined experience, our licensed technicians deliver energy-efficient installations, emergency repairs, and proactive maintenance services. Our commitment to quality workmanship and customer satisfaction has established us as trusted specialists in both traditional and modern building systems.