Denron Hall Plumbing & HVAC

Denron Hall Plumbing & HVAC is a Manchester plumbing and heating company whose website lists commercial HVAC installation, maintenance and repair, boilers, chillers, cooling towers and pipefitting for hydronic heating and cooling. The company says it has been in business 52 years. An nhbr.com item describes Manchester-based Denron Plumbing & HVAC LLC and J. Lawrence Hall, a family-owned design-build mechanical contractor in Nashua, announcing a merger. A recent customer said the company came out on Christmas weekend when their heater gave out and no one else would come out to help. A recent customer called the HVAC and plumbing crew experienced. A recent reviewer said Tyler did a great job. A recent reviewer wrote that it seems Denron won't serve residential customers regardless of how complex the HVAC system is, and said the person on the appointment line was rude. A 2026 customer said they were without heat for nearly two weeks, that four different technicians could not diagnose the issue, and that a technician on the fifth visit determined a specific part was required. That 2026 customer said they were told the part had arrived and then that it had not. A 2023 customer said an install was still not complete after visits on Thursday and Friday, leaving them without water to the dishwasher and shower all weekend, and that the new unit then gave lukewarm water. A 2022 customer called them true experts but quite expensive. A 2022 customer said they waited over 8 months for an estimate after a technician came by. A recent reviewer said a company van changed lanes and turned into Home Depot without using blinkers.