Energy For Home Builders, HVAC Installers, and Homeowners.

Welcome To CLE

With an ever-growing demand for energy efficiency in all aspects of life, we have a variety of services to meet all your energy needs.

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Services

Trusted by Fortune 500 Companies
CLE has completed and certified over 13,000 Energy Star homes! Our services include:

Residential

MEP Design Services, HERS Verifications, Energy Star Certification, Build-It-Green, Residential Title 24, CalGreen Inspections, IECC-Remrate Energy Calculations, and Energy Consulting.

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Commercial

T24 lighting Calculations, T24 Envelope Calculations, T24 Mechanical Calculations.

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MEP Design

Work with CLE for mechanical, electrical, and plumbing design services.

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Mechanical/ HVAC Design

Choose the CLE team for the design of your next HVAC system.

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Electrical Design

CLE can provide you with single line diagrams, load calculation and electrical layouts

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Plumbing Design

Plumbing Design, including Sewer, waste, vent, and drain, and isometric layouts.

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Testing Verifications

CLE can provide you with a wide variety of inspection and compliance documentation services.

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Energy Calculations

Your team at CLE offers detail-oriented, precise Title 24 energy in California and Energy calculations across the country saving you on construction cost

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Affiliations

About CLE

Founded in 1988 by company president Bill Lilly, CLE provides energy consulting services to the new home, existing‑home, multi‑family, and commercial building markets. 

Holding a California State General Contractor's License, as well as licenses for mechanical and insulation contracting, CLE is a certified Home Energy Rating Systems provider by Calcerts, Inc., California Energy Registry, and RESNET. CLE has provided engineering services throughout California.

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Certifications

Licensed Engineer on Staff

Built It Green Certification

Energy Efficient Mortgage Program (EEM)

HERS Testing

Green Built Homes of America ©

California Energy Registry

Calcerts

National Comfort Institute

Accredited Resnet Rating Provider for Arizona & Nevada

State License Matrix

Contact

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