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TE2 Engineering is a full service engineering and consulting firm. We specialize in MEP (mechanical, electrical and plumbing) design as well as Renewable Energy Design (geothermal, solar, wind, etc) for the residential and com- mercial markets. Unlike others, we take a 10,000 foot view approach for each project to ensure the overall strat- egy meets the goals and expectations of our clients. The principal of the firm, Ross Trethewey is also featured as the Renewable Energy Expert on This Old House and Ask This Old House. Are you ever curious how increasing the level of insu- lation in the walls or roof may affect the energy footprint for the building? How about a new heating system? Or what about adding a solar system? Let us help you under- stand how these decisions could affect the building you are desi gning. Most people think engineer and they think complexity. We pride ourselves on being able to design simple, cost effec- tive systems that meet the needs of our clients. The key is our ability to under- stand how the end user will use their building and what they expect from it. This information drives the design and helps develop solutions. In residential construction we often get asked, "What heating and cooling system should we install in our home, and how much will it cost to operate?" We have the unique ability to not only explain the pros and cons of different systems but also explain these systems in terms of costs. Our modeling software allows us to predict the annual heating and cooling costs for a building that is not even built. This information is powerful because it allows the client to beg in to understand their energy footprint and make smart informed decisions before the building is built or renovated. Let us know if we can help on your next build- ing. Why compromise when it comes to comfort and efficiency? 372 University Avenue, Westwood, MA 02090 Office: 781.334.8323 (TE2E) • Fax: 781.320.9906 Website: www.te2engineering.com TE2 Engineering, LLC Making buildings more comfortable and efficient. AFTER BEFORE Project: Marblehead, MA Architect: Architectural DesignWorks, LLC Mechanical Engineer: TE2 Engineering, LLC Inset photography: Peter Vanderwarker AFTER BEFORE

