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Electrical and Mechanical Engineering Services
New Haven, CT
Fully Licensed and Insured
In Business Since 1987
Work Directly with Builders & Installers
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Engineering Excellence for Your Projects
CJL Engineering Inc stands at the forefront of mechanical engineering, delivering comprehensive solutions tailored to your specific needs. Since 1987, we've been the trusted partner for builders and installers across Connecticut and the Tri-State area. Our team brings over four decades of experience to every project, ensuring that your engineering requirements are met with precision and expertise. As a locally owned firm, we understand the unique challenges of our region and provide personalized service that sets us apart in the industry.
We're proud to offer a full spectrum of engineering services, all under one roof. Our licensed professionals are ready to tackle projects of any scale, from residential developments to commercial complexes. We're fully insured and licensed in Connecticut, New York, and New Jersey, giving you peace of mind throughout your project's lifecycle. At CJL Engineering, we don't just design systems; we create solutions that enhance functionality, efficiency, and safety. Contact us today to schedule a consultation.
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Why Choose CJL Engineering
Complete Engineering Solutions
In Business Since 1987
Personalized Approach
Fully Licensed and Insured
Work Directly With Builders and Installers
Licensed in CT, NY, and NJ

Electrical Engineering
Our electrical engineering services form the backbone of modern construction projects. We design robust electrical systems that power your buildings efficiently and safely. From intricate wiring layouts to advanced lighting controls, our team ensures that every electrical component is optimized for performance and energy conservation. We take a forward-thinking approach, incorporating the latest industry standards and technologies to future-proof your facility. Our engineers work closely with architects, builders, and stakeholders to ensure seamless integration and long-term system reliability. Whether it's a commercial building, industrial facility, or institutional property, we tailor every solution to meet your specific needs and project goals.
Fire Protection Engineering
Safety is paramount in any structure, and our fire protection engineering services are second to none. We develop comprehensive fire safety systems that comply with all local and national regulations. Our designs incorporate state-of-the-art detection and suppression technologies to protect lives and property. Our team conducts thorough risk assessments to identify vulnerabilities and ensure every building is fully prepared for emergency scenarios. We collaborate closely with project teams to coordinate system installation, testing, and maintenance planning. From high-rise buildings to industrial facilities, we tailor fire protection strategies to meet the unique requirements of each environment.
HVAC Engineering
Comfort and air quality are essential in any building. Our HVAC engineering team designs systems that maintain ideal temperatures and humidity levels while maximizing energy efficiency. We consider factors like building orientation, occupancy patterns, and local climate to create HVAC solutions that perform optimally year-round. Our experts specialize in crafting solutions that support both occupant wellness and operational efficiency, incorporating advanced filtration and ventilation technologies. Whether it's a commercial, residential, or institutional property, we deliver designs that are environmentally responsible and cost-effective. With our comprehensive mechanical engineering services in New Haven, CT, you can trust your HVAC systems to perform reliably in every season.
Plumbing Engineering
Effective plumbing systems are crucial for the functionality and health of any building. Our plumbing engineering services cover everything from water supply and distribution to waste management. We design systems that ensure reliable water pressure, efficient drainage, and compliance with all health and safety standards. Our team focuses on creating sustainable, cost-effective solutions that minimize water waste and energy consumption. We collaborate closely with contractors and project managers to ensure seamless installation and long-term system performance. Clients seeking mechanical engineering services in New Haven, CT rely on us for plumbing designs that are both efficient and dependable.
Frequently Asked Questions
Do you assist with energy-efficient system upgrades?
Yes, we specialize in modernizing building systems for improved energy savings and sustainability. This includes analyzing existing systems and recommending upgrades as part of our mechanical engineering services in New Haven, CT. We evaluate both short-term and long-term energy performance to help clients reduce operational costs. Our team also integrates the latest technologies and best practices to ensure upgrades meet current environmental standards and provide lasting efficiency.
What industries do you typically serve?
We work with a wide range of industries, including commercial real estate, education, healthcare, industrial facilities, and municipal clients. No matter the sector, we provide customized electrical and mechanical engineering solutions to support long-term performance. Our team has experience adapting to the unique challenges and regulations of each industry, ensuring that every project meets both functional and safety requirements. We also assist clients in planning for future growth and technological upgrades, making sure their systems remain efficient and reliable over time.
What certifications and qualifications do your engineers hold?
Our team consists of licensed professional engineers and experienced designers with specialized training in building systems, sustainability practices, and life-safety engineering.
Can you support both renovation and new construction projects?
Absolutely. Whether you're updating an existing building or planning a new development, our team provides end-to-end engineering support, including comprehensive mechanical engineering services in New Haven, CT. We coordinate closely with architects, contractors, and stakeholders to ensure seamless integration of all building systems. Additionally, our engineers focus on optimizing efficiency, safety, and sustainability throughout every phase of the project.
Do you offer design-build support?
Yes, we frequently collaborate with architects, builders, and contractors on design-build projects. This integrated approach helps streamline schedules and improve project accuracy. Our team provides continuous oversight from initial design through construction, ensuring that engineering solutions are implemented correctly. We also work to anticipate potential challenges and develop proactive strategies to keep projects on time and within budget.
How do you ensure your systems comply with safety codes and regulations?
We follow all national and local building codes and conduct detailed reviews to ensure compliance and system safety. Our experience delivering mechanical engineering services in New Haven, CT gives us deep knowledge of regional standards. In addition, we perform regular inspections and testing throughout the design and construction process to identify and address potential issues early. Our team stays current with changes in codes and industry best practices to provide clients with reliable, compliant, and safe engineering solutions.
What types of electrical systems can you design and review?
We assist with power distribution, lighting design, emergency systems, technology infrastructure, and more—offering reliable solutions that support functional, efficient facilities. Our team also evaluates system capacity, redundancy, and energy efficiency to ensure optimal performance. We work closely with clients to tailor designs to their specific operational needs and long-term goals, providing scalable solutions that can adapt as requirements evolve.
Do you provide system assessments before a project begins?
Yes, we offer detailed assessments and feasibility studies to identify opportunities, challenges, and cost-effective pathways. This is often a first step for clients seeking mechanical engineering services in New Haven, CT.
How do you evaluate the longevity and efficiency of system designs?
We use advanced modeling tools, performance analysis, and life-cycle assessments to ensure every design delivers long-term value, efficiency, and reliability.
Can you help with specialized mechanical systems for critical environments?
Yes, we design and optimize systems for labs, healthcare facilities, data centers, and other specialized environments. Clients who require mechanical engineering services in New Haven, CT often turn to us for highly technical expertise and precision solutions.
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