Case Studies:

Savings-By-Design Analysis Development Design & Engineering, El Centro, CA

Situation

Development Design & Engineering, Inc. (DD&E) is the leading planning, project management, civil engineering, surveying, real estate and business development firm with offices in El Centro, California; Temecula, California and Yuma, Arizona. DD&E was planning to build a 4,993 square ft. building in El Centro, and was in need of undergoing a Base Model analysis to develop cost-effective energy-efficiency measures.

Solution

After the Utility contacted Lincus with this challenging Lincus accessed the utility’s New Construction DD&E was evaluated for IID energy-efficiency incentives as part of the New Construction Energy Efficiency Program (NCEEP).

A model was developed using the Energy Pro 4.3, providing calculations for T-24 energy-efficiency improvements over the original baseline model. Lincus’ analysis of the proposed facility utilizing the existing floor plans and comprehensive energy modeling indicated that the building is better than Title-24 by 21%.

Some key energy features of the planned building in the initial design package are:

8″ masonry w/R-19 walls/R-38 roof system
Insulated tinted glazing (with little or no west-facing glass)
T8 lamps with XPS ballasts for most of the spaces
Utilize “cool roof” certified by CRRC for all low-slope roof structures
Occupancy sensors for the east, west, and south offices and storage areas
Use of differential enthalpy economizers
Increase efficiency of packaged heat pumps to 15 SEER

If the additional recommended energy-efficiency measures are implemented, the building will best Title-24 by 21% with IID owner incentives of $2,819 and design team incentives of $1,762. The simple payback, including IID incentives, is 8.8 years. Estimated annual energy savings with Lincus’ recommendations is $4,582.

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