Duct Installation
Expert Ductwork for Optimal Airflow & Efficiency
Your HVAC system is only as good as the ductwork that delivers conditioned air throughout your home. Poorly designed or installed ducts can waste up to 30% of your energy. KB Heating & Air provides professional duct installation services for Long Island homeowners — from custom design and new construction to duct replacement and system upgrades. We ensure every run is sealed, insulated, and optimized for maximum comfort and efficiency.
Our Services
New Duct System Design
Custom ductwork design engineered for your home's layout and HVAC needs.
- Manual D duct design calculations
- Custom fabrication for tight spaces
- Flexible & rigid duct options
- Zoning system integration
Duct Replacement & Upgrade
Replace aging, leaky, or undersized ductwork for better performance.
- Remove old, deteriorating ductwork
- Upgrade to insulated ducts (R-6 / R-8)
- Improve airflow balance across rooms
- Seal all joints with mastic & foil tape
Duct Extensions & Modifications
Extend or modify existing ductwork for additions, renovations, or new rooms.
- Add ducts for home additions
- Reroute ducts for remodeling projects
- Install supply & return registers
- Balance airflow after modifications
Our Duct Installation Projects

The KB Heating & Air Difference
Precision Engineering
- Manual D load-based duct design
- Computer-aided layout planning
- Optimized for balanced airflow
Quality Materials
- Commercial-grade galvanized steel
- R-6 & R-8 insulated flex duct
- UL-listed connectors & fasteners
Sealed & Tested
- Every joint sealed with mastic
- Post-install airflow testing
- Duct leakage meets ACCA standards
Frequently Asked Questions
Need Duct Installation?
Contact KB Heating & Air for expert duct installation services in Ronkonkoma and Suffolk County. Licensed, insured, and ready to help.
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