New Construction
in Southern NH
Plumbing, HVAC, and electrical for your new build, from one company. A.J. LeBlanc Heating works with builders and general contractors across Southern NH on the full mechanical scope, backed by a family-owned company that has served the area since 1928.
Plumbing, HVAC & Electrical
for New Construction
A.J. LeBlanc Heating brings the HVAC, plumbing, and electrical trade work under one experienced local company. Our in-house teams coordinate their schedules and plan the systems together, giving the builder or homeowner one clear point of contact for all three trades.
New Construction HVAC
Complete heating and cooling system design and installation: furnaces, boilers, cold-climate heat pumps, central air, ductwork, zoning, and fresh-air ventilation, sized for the home with proper load calculations.
New Construction HVACNew Construction Plumbing
Interior rough-in and finish plumbing for new homes, including the water-service entrance inside the building, supply distribution, drain-waste-vent systems, fixtures, and final connections, plus additions and ADUs.
New Construction PlumbingNew Construction Electrical
Service entrance, panel, rough-in wiring, devices, and interconnected smoke and CO detectors, plus circuits ready for EV chargers, heat pumps, and generators.
New Construction Electrical
One Contractor for the Whole Mechanical Scope
Running the plumbing, HVAC, and electrical through one company keeps a new build simpler and tighter. There is one point of contact instead of three, one team sequencing the trades so the rough-ins and inspections line up, and one company standing behind all of it. A.J. LeBlanc Heating works with builders and general contractors across Southern NH on single-family homes, additions, and ADUs.
- One point of contact for all three trades
- Coordinated schedule and phasing with your GC
- HVAC, plumbing, and electrical trade work performed by our in-house teams
- All plumbing, HVAC, and electrical permits and inspections handled
- Family-owned and serving Southern NH since 1928
New Construction FAQ
Can A.J. LeBlanc Heating handle all the mechanical trades on a new build?
Yes. We handle the plumbing, HVAC, and electrical in-house on new construction across Southern NH. That means one company, one point of contact, and one team coordinating all three trades on your build instead of three separate subcontractors.
Do you work with builders and general contractors?
Yes. A.J. LeBlanc Heating works alongside your general contractor on new homes, additions, and ADUs, coordinating scheduling, phasing, and inspections across the plumbing, HVAC, and electrical so the mechanical work stays on track with the build.
Do you handle the permits and inspections?
Yes. We pull the plumbing, HVAC, and electrical permits and coordinate the rough and final inspections with the local Southern NH building department and the utilities.
Why use one company for all three trades?
It is simpler and tighter. One point of contact, one coordinated schedule, no chasing three separate subcontractors, and consistent quality across the plumbing, HVAC, and electrical from a family-owned company that has served Southern NH since 1928.
Southern NH Communities We Serve
Free estimates and prompt service across Southern New Hampshire. Find your town for local details, or call 603-623-0412.
Services in Southern NH's Largest Cities
Plumbing, HVAC & Electrical for Your New Build
A.J. LeBlanc Heating handles the full mechanical scope on new construction across Southern NH. Contact us to talk through your project with one company for all three trades.
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.