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Our Services

"No matter how many letters we have after our names, we are about service first." 


At JNL Mechanical Design we aim to deliver custom HVAC system designs that are comfortable, energy efficient and built to last for major healthcare, commercial, educational and retail projects.

Plumbing Design

JNL Mechanical Design provides plumbing design and management services for major healthcare, commercial, educational projects in the Central Valley and throughout California.

Green Plumbing Design

Preserving California's precious water is at the forefront of our plumbing design process. Green Plumbing Design certified Professional Engineer by the American Society of Plumbing Engineers and the International Association of Plumbing and Mechanical Officials.

Fire Sprinkler Design

JNL Mechanical Design's approach delivers accurate and technically correct construction documentation.

Title 24 Energy Reports

Your go to source for Title 24 calculations,  reports and Compliance Certificates for California projects. Fast and convenient formats for your project needs.

Cal Green Documentation

As a CalGreen specialist, JNL Mechanical Design is equipped to provide all your required checklist and documentation services.

LEED Documentation

With our intimate understanding of LEED documentation requirements, JNL is pleased to offer documentation services on almost all credits for owners, architects, and contractors.

Kitchen HVAC

Provide full kitchen design with Type I or II hoods with make up air and grease exhaust. Kitchen plumbing in accordance with health department standards for hot water proper drainage and grease interceptors.

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