Ventilation and Air Quality Design

Connecticut and the Tri-State Area

Fully Licensed and Insured

In Business Since 1987

Work Directly with Builders & Installers

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Clean, Efficient Ventilation Solutions

At CJL Engineering Inc, we understand the critical importance of proper ventilation and air quality in both residential and commercial spaces. Our mechanical engineering expertise ensures that your indoor environment remains healthy, comfortable, and energy-efficient. We offer comprehensive solutions for:


  • HVAC system design and optimization
  • Indoor air quality assessments
  • Ventilation system upgrades
  • Air filtration and purification
  • Energy recovery ventilation
  • Ductwork design and installation
  • Building pressurization control
  • Exhaust system engineering


Contact CJL Engineering to improve your indoor air quality and ventilation systems today.


The Importance of Proper Ventilation and Air Quality

Maintaining optimal ventilation and air quality is crucial for several reasons:


  • Health and well-being of occupants
  • Improved cognitive function and productivity
  • Reduction of airborne contaminants and pollutants
  • Prevention of mold growth and moisture-related issues
  • Compliance with building codes and regulations
  • Enhanced energy efficiency


Our team at CJL Engineering can help you address these concerns and create a healthier indoor environment.


Why Choose CJL Engineering

When you partner with CJL Engineering for your ventilation and air quality needs, you'll benefit from:


  • Complete engineering solutions
  • Fully licensed and insured services
  • Licensed in Connecticut, New York, and New Jersey
  • Personalized approach to each project
  • Direct collaboration with builders and installers
  • High-quality engineering services
  • Over 40 years of industry experience


Our commitment to excellence and customer satisfaction sets us apart in the mechanical engineering field.


Contact Us

Ready to improve your ventilation systems and indoor air quality? CJL Engineering is here to help. Our team of experienced professionals is prepared to assess your needs and develop tailored solutions for your space. We serve Connecticut and the Tri-State area, providing top-tier mechanical engineering services. Reach out to us today to discuss your ventilation and air quality requirements and discover how we can create a healthier, more comfortable environment for your home or business.

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Complete Engineering Solutions

CJL Engineering delivers end-to-end mechanical engineering solutions with the experience, precision, and innovation needed to solve your toughest challenges.

Call Now to Schedule a Consultation

(203) 266-1014