Gary has been in the home improvement industry for more than 30 years. He is a certified window product expert and a graduate of multiple window manufacturing universities. Gary handles all aspects of sales and service and has extensive knowledge of CC&Rs – conditions, covenants, and restrictions. Gary works personally with clients to find the best solutions for their window needs and budgets. He is known for his honesty and helpfulness. Gary has been happily married for 45 years, has three children, and one grandson. Gary has enjoyed a lifetime of fishing and has raced classic Fords since he was 16-years old. Gary and his wife have huge hearts for animals. Together, they donate their time on a consistent basis by caring for local feral cats in the community. They bring them into the local animal rescue to be treated for medical conditions, spayed, or neutered. They also care for kittens they find and work diligently to get them adopted. They even purchase food with their own money to feed local feral cats for which they cannot find homes.

With 20 years of experience in the home improvement industry, Samuel Wrzesinski has been involved in every aspect of residential construction, from the foundation to the roof. At California Energy Consulting Service (CECS), he plays a key role in managing job sites and overseeing roof system installations. windows, and siding, Samuel is particularly skilled in projects involving metal roofing and James Hardie Siding. Known for his reliability and commitment to excellence, he takes great pride in delivering high-quality results on every project. One of the most rewarding aspects of his work is the appreciation from customers when they see the final result of a well-executed project. While Samuel has contributed to many successful projects, he finds it difficult to choose just one that stands out because of his passion for craftsmanship. Outside of work, Samuel enjoys spending time with his family, riding motorcycles and bicycles, and impressing others with his fun fact: he can touch his nose with his tongue. Motivated by his wife and son, Samuel strives to make daily progress toward his goals. At CECS, Samuel values the organization and positive attitude of his colleagues and envisions himself taking on more managerial responsibilities in the future. He is excited to be part of the company’s growth and looks forward to expanding his role as a leader within the team. His advice to homeowners: Each day, make forward progression in your goals.

John Rodriguez joined CECS on January 6, 2023, bringing 8 years of experience in the roofing industry. Specializing in metal roofing, James Hardie Siding, and LP Smartside, John plays a key role in the roof and siding crew, delivering high-quality work and ensuring safety on every project. John’s responsibilities include overseeing roofing and siding installations, meeting project deadlines, and maintaining strong relationships with clients and colleagues. He enjoys learning more every day and takes pride in his work, especially as a roofer. His approachable and respectful attitude makes him an invaluable team member. Outside of work, John enjoys watching TV and spending time with his family. Motivated by the opportunity to work with great people and share knowledge, he looks forward to growing within CECS and contributing to the company’s continued success. His motto is, “Be better.”

Alonso Cadenas has been a dedicated professional in the home improvement industry since August 18, 2021, bringing over 25 years of experience. Specializing in window and door installations, wood moldings, and roofing, he consistently delivers high-quality work and ensures client satisfaction. Before joining CECS, Alonso spent 25 years at Simonton Windows, where he managed an assembly division in vinyl window manufacturing. Over the years, he has honed his expertise and developed a strong passion for installing high-quality windows—especially Andersen and Simonton brands—as well as entry doors. With two decades of hands-on installation experience, he ensures precise, reliable, and efficient results on every project. Alonso’s key responsibilities include maintaining safety standards, meeting project deadlines, and fostering positive relationships with clients and colleagues. His commitment to excellence and attention to detail make him a standout professional in the field. Fluent in Spanish, Alonso is a valuable bilingual asset, able to communicate effectively with a diverse range of clients and team members. Outside of work, he enjoys spending quality time with his family and maintaining his home. Motivated by his passion for the craft and the support of the company’s leadership, Alonso looks forward to growing with CECS and contributing to its continued success.

Ismar has been installing windows and doors with Cal Energy since 2005, bringing 23 years of experience in the home improvement industry. He has specialized training in window and door installation, has been verified through industry testing, and is experienced with various window and door types, from wood to vinyl, as well as brands such as Andersen, Milgard, and Simonton. As a team leader on job sites, Ismar ensures projects meet high standards and efficiently resolves any issues that arise. He is passionate about meeting homeowners’ needs and takes pride in leaving every job with a satisfied customer. He enjoys the diversity of the trade, learning from each unique project, and values punctuality, quality, and teamwork. Outside of work, Ismar is an avid Sacramento Kings fan and enjoys watching sports, movies, and trying new dishes. At CECS, Ismar thrives in a supportive team environment and looks forward to expanding his knowledge and skills. His advice to homeowners: Hire the right people for the job, even if it costs more—you’ll appreciate it in the long run.

Oscar Yac joined CECS in March 2024 with a year of hands-on roofing experience and a strong desire to grow in the home improvement industry. His background includes training in roofing (techo), with a growing focus on Standing Seam metal roofing and composite roofing — two durable, energy-efficient systems CECS proudly installs.

As an Installer, Oscar takes pride in keeping work areas clean and staying focused on quality and safety. He loves being up on the roof — it’s where he feels most inspired and where he’s learned the most.

Known for his quiet determination and willingness to help wherever needed, Oscar is a valued team player. Outside of work, he enjoys playing soccer and describes himself as a bit shy, but always motivated to learn and achieve more.

His motto: “Me inspiro en aprender y lograr mis objetivos” — “I’m inspired to learn and achieve my goals.”

Oscar’s homeowner tip: Make sure your team is well-prepared — it makes all the difference

David Robson joined the CECS windows/doors team in February 2019. Previously, he worked with CECS intermittently on number of projects.  He also owned his own business, which he founded in 2007. 

As the son of a contractor, my passion for roofing began at a young age. I installed my first composite roof on my own at 14 and was rehired to reroof that same house 26 years later. By 18, I’d installed my first metal roof in Grass Valley, and it’s still standing strong over 40 years later. I spent 35 years as the owner and operator of my own home improvement company, where I became fascinated by the durability of metal roofing, particularly when combined with heat-reflective paint. This specialization quickly became the focus of my business, earning a reputation as a local expert. After graduating from California Polytechnic State University, I joined my father’s business and helped establish a dedicated metal roofing branch. In 1991, I became a partner and spent the next three decades installing metal roofs for schools, hotels, fire stations, and thousands of homes across Nevada, El Dorado, and Sacramento counties. In 2023, I joined Cal Energy to expand their roofing options, bringing some of the most energy-efficient, durable, and beautiful roofing solutions to our clients. Outside of work, I’m a dedicated traveler with a passion for experiencing new places and cultures. I’ve been lucky to explore incredible destinations like New Zealand, Australia, Thailand, South Africa, Egypt, Italy, and beyond. For me, traveling is a chance to unwind and learn from the world around me.

With over 46 years of experience in the home improvement industry, Guy White has gained extensive expertise in various aspects of exterior remodeling. He began his career as an installer of siding, windows, and decking, eventually advancing to foreman before owning and operating his own home improvement company for 35 years. For the past 3 years, Guy has partnered with California Energy Consultant Service, where he brings his deep product knowledge and expertise in window brands like Andersen, Simonton, and Milgard, as well as siding options such as James Hardie and LP Smartside. He helps homeowners make well-informed decisions about their projects. Guy is passionate about helping clients choose the best solutions for their homes, believing that the lowest price isn’t always the best option. He is proud of the hundreds of satisfied customers he’s worked with and enjoys interacting with people, providing them with the information they need. Outside of work, Guy values time with his family, especially his four grandchildren, and has a surprising past as a horseback barrel racing champion. At CECS, Guy values the honest, hard working people he works with and is looking forward to many more years of success with the company. His guiding principle is simple: treat others the way you want to be treated.

With 11 years of experience in the home improvement industry, Felipe Ruelas specializes in windows, doors, siding, roofing, and HVAC. Growing up in a family involved in real estate and construction, he developed a diverse skill set and a passion for transforming homes. He finds it especially rewarding to see homeowners’ reactions to custom projects, particularly those with stunning hilltop views. Felipe combines traditional expertise with modern technology to provide tailored solutions for each client. He has received extensive manufacturer training on brands like Andersen and Simonton and has toured Simonton’s manufacturing plant to deepen his product knowledge. This hands-on experience allows him to guide homeowners toward the best solutions for their needs. Driven by his family—his wife and three daughters—Felipe strives to deliver his best work every day. Outside of work, he enjoys family BBQs, golfing, football, and spending time at the beach. He values CECS’s strong reputation and the many referrals it generates. His favorite quote, “Speak softly, and carry a big stick” by Theodore Roosevelt, reflects his approach to work and life. His advice to homeowners: choose a contractor based on credibility and experience to ensure proper installation and long-lasting results.

CECS is excited to have Mark Cherry on our Home Comfort team. Mark is the co-founder of Cherry Home Improvement, which started in 1994 specializing in insulation and glazing. Prior to joining CECS, Mark worked with family and partners since 1982, focusing always on optimizing energy conservation for customers. Since then, he and his team have worked on thousands of homes throughout the Sacramento region. Mark was a participating contractor in the SMUD Home Performance Program. He has honed his extensive experience in windows & doors via trade programs and numerous utility seminars. Mark finds professional satisfaction when working diligently to improve homes of customers and then seeing their reactions when they experience improved utility bills and home comfort. He enjoys the constant variety and challenge of his work, approaching projects as an opportunity to build long-term relationships. He devotes close, personal attention to each job. Mark has been married for more than 37 years to Pamela and together they have two children. He enjoys spending time with his family and considers his work as his hobby.

Ben joined Cal Energy in 2018 after being the CEO of a top, family-owned HVAC company. At CECS, he’s more than a consultant. Ben works closely with clients, helping them find ways to make their homes more energy efficient with advanced home performance solutions. Having spent more than 24 years in the home comfort world, Ben knows the ins and outs of the business. He’s always looking for new ways to save energy, working with big names like SMUD and PG&E to take advantage of huge rebates, and bring smart tech into homes. Outside of work, family and faith are Ben’s world. He’s been married for 20 years and loves spending time with his wife and two sons. They have fun swimming, taking trips to the mountains and beaches, and doing ministry work together. Ben’s life is a mix of expertise in energy, a close knit family, and a strong faith.

Hailey Miller joined Cal Energy in January 2021 as an administrative specialist. Her duties include supporting contract management, accounts receivable, order entry, product shipments, and general office efficiency. Hailey is very responsive, organized, and resourceful. At Cal Energy, she enjoys the family-like atmosphere and taking on new responsibilities that increase her professional knowledge. Hailey’s looking forward to continue growing her skills in the construction and home performance industry. Hailey is a native of Sacramento. When she’s not working or studying in school, she enjoys caring for children and serving in her local faith community.

Genevieve Dionne – Senior Bookkeeper & Financing Specialist Joined CECS in April 2016 Genevieve (Gen) Dionne has been with CECS since April 2016, serving as the Senior Bookkeeper and overseeing all financial operations, including profitability analysis, payroll, and job costing. She also manages financing solutions for customers, ensuring they have the flexibility needed to complete their home improvement projects. With a background in sales, drafting, and as a QuickBooks Online Pro Advisor, Gen combines her financial expertise with a deep understanding of the home improvement industry. She is proud of her work on SalesPro, a tool for sales reps, and the small, efficient team she’s built to support her role. Outside of work, Gen enjoys volunteering and Bible teaching with her husband. Originally from Canada, she now lives in Honduras. Gen looks forward to expanding her technical and leadership skills at CECS while continuing to contribute to the company’s success and growth.

Daniella joined the team in early 2023 and has become an integral part of the organization. She brings versatility to her role by directly supporting the CEO, managing administrative tasks, coordinating company events, and even tackling creative projects like graphic design. Daniella excels at streamlining operations and boosting efficiency. One of her key achievements has been establishing the company’s SOP documentation process and developing a training guide for new hires, significantly improving onboarding. Known for her exceptional organization, communication skills, and discretion, Daniella is dedicated to fostering collaboration and driving continuous improvement. Outside of work, Daniella enjoys singing, dancing, playing the piano, traveling, and exploring local beaches. She is a Worship Leader in her church and has always dreamed of becoming an events planner, combining her passion for organization and creativity. Her favorite quote from The Alchemist by Paulo Coelho serves as a daily reminder of gratitude and mindfulness: “When each day is the same as the next, it’s because people fail to recognize the good things that happen in their lives every day that the sun rises.” Daniella appreciates the supportive and creative environment at CECS and is excited to continue developing her leadership skills while contributing to the company’s growth and success.

Sara Bie joined CECS on May 2, 2023, and brings 2 years of experience in the home improvement industry. Specializing in heating and air (HVAC), Sara’s main responsibility is taking calls and dispatching service technicians to provide prompt and effective solutions for clients. Her expertise lies in helping clients, particularly during extreme weather conditions, ensuring their heating and cooling needs are addressed quickly and efficiently. Sara’s ability to be coachable, available, and attentive to client needs makes her an essential part of the CECS team. Outside of work, Sara enjoys binge-watching shows, catching up on rest, and shopping. She is driven by her family and is motivated to succeed in her role to provide for them. Sara is excited about her future at CECS and looks forward to growing within the company, continuing to contribute to its success in the HVAC and home performance sectors.

Jackie Bregabiel joined CECS on April 2, 2024, as Lead Appointment Setter and Customer Service. With 3 years of experience as a Virtual Assistant and 13 years in Customer Service, Jackie excels at handling customer inquiries, resolving issues, and scheduling appointments for services like windows, doors, siding, roofing, and HVAC. Jackie enjoys helping homeowners improve comfort and energy efficiency, with a standout project involving insulation and window upgrades that lowered energy costs. She’s skilled in using CRM systems to manage leads and follow-ups, ensuring a positive customer experience. Outside of work, Jackie enjoys spending time with her kids, cooking, swimming, and spontaneous road trips. Her favorite quote is, “Behind every woman there is a story that gave her no other choice.” Jackie is excited to contribute to CECS’s continued success.

Jessica Latoja joined CECS on May 8, 2024, with 13 years of experience in administrative roles, including in home improvement and real estate. As an Administrative Staff member, Jessica specializes in handling permits, scheduling inspections, finalizing building permits, and managing a variety of office tasks such as organizing documents, maintaining Excel sheets, assisting with AR duties such as invoicing, and matching payments in QuickBooks Online (QBO). Before joining CECS, Jessica worked as an Admin Assistant , where she gained experience with industry tools and CRMs. She is highly skilled in administrative support, organization, and customer service, helping the company run smoothly on a daily basis. Jessica is proud to have reduced pending permits from nearly 800 to just 98 and helped create Standard Operating Procedures (SOPs) and streamline document management. She loves the continuous learning process in the home performance and exterior field and enjoys learning from her team. Outside of work, Jessica enjoys traveling, spending time with family, playing sports like badminton and tennis, dancing, and indulging in her love for food. A fun fact is that she loves Disney and stuffed toys, despite her sporty nature. Jessica is excited about her future at CECS, where she looks forward to taking on more responsibilities, growing her skill set, and contributing to the company’s success in an evolving industry.