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Business Details
36 Years
experience
Custom Home Builders in Brillion, WI
Since 1990, Dennis Thiel Builders has dedicated itself to crafting custom homes and delivering remodeling solutions tailored to individual client needs. Our approach prioritizes personalized collaboration, ensuring every project reflects the homeowner's vision while maintaining budgetary constraints. With over three decades of experience, we combine technical expertise with a commitment to energy efficiency through partnerships like Focus on Energy, which certifies our homes exceed industry standards for durability and sustainability. Our team maintains rigorous quality control by working with trusted subcontractors, ensuring every detail meets our exacting standards.

Client testimonials consistently highlight our transparent communication, problem-solving capabilities, and ability to transform historic properties while preserving their architectural integrity. We specialize in navigating complex projects, such as integrating modern energy systems into rural homes, and have demonstrated measurable results through documented energy savings. Our leadership's ongoing professional development ensures we remain at the forefront of construction innovations while maintaining the personalized service that defines our company culture.
Services
Custom Home Building Home Remodeling Addition Construction Energy-Efficient Homes Garage Construction
Details
  • Year established: 1990
Highlights and features
  • 31 years of local construction expertise since 1990
  • Personalized one-on-one client collaboration throughout the building process
  • Focus on Energy certified energy-efficient home construction
  • Proven track record with historic property renovations
  • Transparent communication with documented project outcomes
What people say
Highest quality Patient with decisions Honest and timely Fun group to work with Amazing finish work
Services
Custom Home Building
We design and construct fully customized homes tailored to client specifications. Our process includes collaborative design sessions, material selection guidance, and implementation of energy-efficient systems. With 31 years of experience, we ensure each home meets structural standards while maintaining aesthetic integrity. Our partnership with Focus on Energy provides third-party verification of energy performance metrics.
Home Remodeling
Specializing in transforming existing spaces while preserving architectural character. Our team handles complete home renovations, kitchen/bathroom upgrades, and historic property restorations. We maintain original design elements like cream city brick and stained glass while modernizing functionality. Client testimonials highlight our ability to resolve complex structural challenges during remodeling projects.
Energy-Efficient Homes
We integrate advanced energy-saving systems in new and renovated homes through the Focus on Energy program. Services include insulation optimization, high-efficiency HVAC installation, and performance documentation. Our energy-efficient homes demonstrate measurable savings, with documented examples showing $811 annual LP gas costs for 1,733 sq ft homes.
Addition Construction
We design and build seamless home additions that complement existing structures. Our expertise includes matching architectural details like archways and brickwork in historic properties. The process involves structural analysis, code compliance verification, and coordination with specialized subcontractors to ensure quality craftsmanship.
Garage Construction
We construct custom garages designed to match home aesthetics and functional needs. Services include foundation work, material selection, and integration with existing property features. Client feedback emphasizes our attention to detail and ability to complete garage projects alongside broader remodeling initiatives.
People
Dennis Thiel
Owner/Builder
With construction experience since 1985 and formal business operation since 1990, Dennis combines technical expertise with personalized service. He maintains industry knowledge through annual professional development seminars and prioritizes client relationships. His leadership ensures project quality through subcontractor oversight and hands-on management.
Amy Thiel
Office Manager
Supports business operations as office manager, handling administrative and client communication aspects. Her organizational skills ensure smooth project coordination and client follow-up. As part of the family-owned business, she contributes to maintaining the company's commitment to personalized service.
Questions
What types of homes do you specialize in building?
We specialize in custom single-family homes and historic property renovations. Our expertise includes energy-efficient new construction and additions that maintain architectural integrity.
How do you handle remodeling projects for older homes?
We preserve original design elements while modernizing functionality. Our team has experience with historic materials like cream city brick and stained glass, ensuring renovations maintain character while meeting current standards.
What energy efficiency services do you offer?
Through Focus on Energy, we implement insulation upgrades, high-efficiency HVAC systems, and performance verification. Our homes document 25% greater efficiency than code requirements with measurable annual savings.
Do you work outside Brillion, WI?
While based in Brillion, we serve Northeast Wisconsin. Our service area includes projects in rural settings where energy efficiency solutions provide significant long-term benefits.
How do you manage subcontractor quality?
We maintain relationships with pre-vetted professionals in plumbing, electrical, and HVAC. Dennis personally oversees all subcontracted work to ensure it meets our standards for craftsmanship and timeliness.