Archives: Team Members


Steve Rennekamp

Steve Rennekamp Steve has been in the window business for more than 45 years. He started his career with Alcoa, where his first job was testing windows for thermal and condensation performance. He spent half of his 33-year Alcoa career in engineering and marketing for Alcoa Building Products. In 1996, Steve founded Energy Swing Windows. Steve designed the Energy Swing 

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Elizabeth Rennekamp

Elizabeth Rennekamp Betty’s contributions to Energy Swing have been critical in shaping the company’s approach to delivering customer satisfaction. Her attitude on the importance of providing value has helped shape Energy Swing’s dedication to over-satisfy its customers. For a large portion of the company’s history, Betty was the first person most of our customers talked with when they first called 

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Don Darragh

Don Darragh “Seek first to understand, then to be understood”, that is Don Darragh’s motto at Energy Swing Windows, Inc., and it always has been since he started this business out of his parent’s basement in the mid 90’s.  Don believes we were given two ears and one mouth because listening is twice as hard and twice as important as 

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Chris Saxton

Chris Saxton “The sales process that we follow in understanding people’s needs and being able to solve all of their problems without ever pressuring the client into making a decision, is what really makes this position unique,” says Energy Swing Client Consultant, Chris Saxton. Chris has been an Energy Swing employee for 19 years now; in fact, he was one 

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Zach Fontecchio

Zach Fontecchio Zach started with Energy Swing Windows in 2018. He was originally brought on as a Total Basement Finishing expert, but his sill level allows him to be well versed in windows and doors as well. Zach spent the previous 10 years working for Lowe’s Home Improvement, helping customers choose the right products and make the right decisions for 

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Jeff Blank

Jeff Blank “I enjoy working at ESW because I feel we all have the power to do what is right for the customer and everyone that works here takes pride in what we do and how we do it. We are clearly different and it shows”, states Jeff Blank, Director of Installation at Energy Swing Windows. Most other window companies 

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Fred Speer

Fred Speer Fred started as an Installation Specialist here at Energy Swing in 2016 and quickly worked his way up to become a Project Manager in 2018. In March of 2021, he took on the role of being our Final Measure Specialist! In this role, Fred visits our customers’ homes to take final measurements prior to any products being ordered. 

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Steven Grabill

Steven Grabill Steven joined us at Energy Swing Windows as an Installation Specialist in December of 2019. In 2021, he became a Project Manager. With over 20 years of general residential construction experience and 3 years exclusively with windows and doors, he is a perfect fit for this role on our install team! As a Project Manager, Steven is responsible 

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Michael Keenan

Michael Keenan Michael is originally from Ohio but now resides in Export, PA with his beautiful wife, Kelly. Several years ago, he was a crew leader for a remodeling company. He then left construction for the sales world but ultimately returned to construction when he joined the installation team here at Energy Swing Windows. As an Installation Specialist, Michael is 

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Tony Nanni

Tony Nanni As a Project Manager at Energy Swing, Tony is responsible for our customers’ projects on-site. He is focused on delivering, installing and finishing windows and doors while ensuring quality and cleanliness. He will also guide our customers through all operational tutorials and cleaning procedures.

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