Black Onyx Group Plumbing & HVAC

Is this your business?
Claim your listing to verify your info and earn a verified badge.
Claim This BusinessAbout Black Onyx Group Plumbing & HVAC
Black Onyx Group Plumbing & HVAC serves Middleton, Massachusetts as a licensed plumber with an exceptional 4.9-star rating drawn from 23 verified customer reviews. This contractor operates Monday through Friday from 9 AM to 5 PM, providing plumbing and HVAC solutions to residential and commercial clients throughout the greater Middleton area. Property managers and homeowners alike have praised the team's craftsmanship, with reviewers noting experience spanning multiple properties and project types across the region.
This contractor distinguishes itself through documented proficiency in both plumbing and HVAC systems, allowing clients to address multiple trade needs with a single service provider. Customer feedback emphasizes the team's diagnostic accuracy, a reviewer specifically mentioned the technicians quickly identified an HVAC system issue and explained the problem in detail, fostering confidence in their expertise. The crew's post-job cleanup practices earned explicitmention, with one reviewer noting they left the residence "just as they found" after completing work. Clean communication and responsiveness appear as consistent themes across reviewed interactions.
Customers recount specific encounters with Black Onyx technicians. One reviewer described Igor and company completing work at two separate properties, sharing photographic evidence of completed projects. Multiple reviewers emphasize same-day response capabilities and efficient issue resolution. A property manager for 14 North noted the team's quick turnaround and clear communication over a multi-year working relationship, while another client highlighted the contractors' attention to detail throughout every project phase, treating each job as if it were their own. A service manager for two mid-rise apartment buildings praised the team's ability to handle tankless water heater upgrades under urgent circumstances.
What Customers Say
All six available reviewers awarded 5-star ratings, with five explicitly praising response speed and diagnostic accuracy. Three reviewers identify specific team members by name, Igor receives dual mentions, while two highlight cleanup practices and post-service leaving the property tidy."-services
Working Hours
| Sunday | Closed |
| Monday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| Wednesday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| FridayToday | 9 AM–5 PM |
| Saturday | Closed |