CJD performs balancing of the air distribution systems and adjustment of the air moving devices, in accordance with National Environmental Balancing Bureau (NEBB) and Sheet Metal and Air Conditioning Contractors National Association (SMACNA) Standards. We also provide balancing of the water side of the heating and air conditioning systems, including pumps, coils, chillers, heat exchangers, cooling towers, condensing units, and boilers.

Our staff is comprised of highly-trained and educated staff of engineers and field service personnel, equipped and uniquely qualified to help achieve optimal performance from your HVAC system. Their hands-on experience in constructing and maintaining building systems gives CJD an Owner’s perspective that we incorporate into our testing approach.

Air Balancing
  • • Constant Volume Systems
  • • Variable Volume Systems
  • • Fan-Powered Series Systems
  • • Fan Powered Parallel Systems
  • • Fume Hood Exhaust
  • • Kitchen Hood Exhaust
  • • Room Pressurization
  • • Under Floor Air Systems
  • • Cleanrooms
  • • Lab Animal Systems
Hydronic Balancing
  • • Chilled Water Systems
  • • Condenser Water Systems
  • • Heating Water Systems
  • • Constant Volume Systems
  • • Variable Volume Systems
  • • Secondary Systems
  • • Tertiary Systems
  • • Duplex Water Systems
  • • Domestic Water Systems
  • • Pure Water Systems
Industrial Systems
  • • Paint Booths
  • • Airplane Paint Hangars
  • • Dust Collection Systems
  • • Wastewater Treatment Plants
  • • Process Exhaust Systems

DUCT AIR LEAKAGE TESTING (DALT)

A duct leakage test is performed to measure the airtightness of forced air heating, cooling, and ventilation duct systems. CJD performs testing in accordance with SMACNA Standards.

SOUND-LEVEL READINGS

Sound-level measurement with and without equipment running, to determine speech interference, hazards to hearing, and machinery troubleshooting.

EXPERIENCE IN A WIDE VARIETY OF PROJECT TYPES
  • • High- Mid- & Low-Rise Towers
  • • Condominiums & Apartments
  • • Commercial Offices
  • • Commercial Retail
  • • Grocery Stores
  • • Fitness Centers
  • • Pre-K through High Schools
  • • Universities
  • • Medical / Healthcare
  • • Animal Care Facilities
  • • Natatoriums
  • • Industrial
  • • Emergency Power Stations
  • • Data Centers
  • • Central Chiller & Boiler Plants
  • • Wastewater Treatment
  • • Airplane Hangars
  • • Airport Terminals
  • • Correctional Facilities
  • • Military Facilities