Derry Plumbing, Heating & Air Conditioning

Derry Plumbing & Heating exhibits a deeply polarized performance profile with stark contrasts between positive and negative experiences. Professionalism scores are dragged down by multiple reports of no-shows, poor communication, unprofessional language from owner Dave Benedict, and unresponsive customer service, though some reviews praise politeness and responsiveness. Pricing is a significant we... Read more

Derry Plumbing & Heating exhibits a deeply polarized performance profile with stark contrasts between positive and negative experiences. Professionalism scores are dragged down by multiple reports of no-shows, poor communication, unprofessional language from owner Dave Benedict, and unresponsive customer service, though some reviews praise politeness and responsiveness. Pricing is a significant weakness, with numerous complaints of overcharging, hidden costs, bait-and-switch tactics, and lack of written quotes, offsetting a few mentions of fair pricing. Project completion shows mixed results—several jobs were completed well and on time, but critical failures include incomplete HVAC installations, work performed outside scope, and unresolved issues. Experience/workmanship is generally competent when work is completed, but marred by quality concerns and lack of follow-through on callbacks. The company's reputation is severely damaged by owner behavior and business practices. Read less