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45 Years
experience
Your Trusted Energy Efficiency Partner in Williston, VT
Since 1981, Building Energy has been a trusted leader in energy efficiency and sustainable building solutions across Vermont. Originally established as Northeast Construction, we transitioned our focus in 2007 to address climate challenges through renewable energy and whole-systems thinking. Our team of certified professionals delivers comprehensive services including solar power installation, cold climate heat pumps, insulation, and construction, all grounded in decades of experience. We hold industry certifications like Building Performance Institute (BPI) accreditation and maintain partnerships with organizations like Efficiency Vermont.

Our expertise in energy audits, thermal envelope improvements, and renewable energy integration ensures clients achieve measurable cost savings and environmental impact reduction. By combining advanced technology with locally tailored solutions, we empower homeowners and businesses to reduce carbon footprints while enhancing comfort and property value. Our proven track record, including recognition for building one of Vermonts tightest homes, demonstrates our unwavering commitment to quality and innovation in energy-efficient construction.
Services
Solar Power Installation Energy Audits Insulation Services Heat Pump Systems Battery Storage Weatherization Cold Climate Heat Pumps Spray Foam Insulation Deep Energy Retrofits Construction
Details
  • Year established: 1981
Highlights and features
  • Certified Structural Scientists conduct energy audits with 20+ years of experience
  • 40+ years serving Vermont with locally adapted energy solutions
  • BPI-certified professionals for rigorous industry-standard assessments
  • Mitsubishi Diamond Contractor for premium heat pump installations
  • Proven track record reducing energy costs through whole-systems approach
Associations and certifications
  • Building Performance Institute (BPI)
  • Efficiency Vermont
  • Mitsubishi Electric
What people say
Professional installations Energy bills decreased Prompt communication Expert assessments Detailed audits
Services
Solar Power Installation
Designing and installing photovoltaic systems since 2007, we create customized solar solutions for Vermont homes and businesses. Our engineers optimize system configurations using roof orientation analysis and energy consumption patterns to maximize efficiency. Clients benefit from stable energy bills, federal tax incentives, and local rebates while reducing reliance on fossil fuels. System warranties ensure long-term performance.
Energy Audits
Our BPI-certified specialists use infrared cameras and blower door tests to identify energy loss points in 2-4 hour inspections. The detailed 6-8 page report prioritizes improvements like insulation upgrades or heat pump installations with cost-benefit analyses. Clients become eligible for Efficiency Vermont rebates averaging $400-$1,000 while gaining actionable roadmaps for efficiency upgrades.
Cold Climate Heat Pumps
Specializing in Mitsubishi Electric systems, our technicians install heat pumps that operate efficiently at -15F. These dual-function systems provide both heating and cooling while reducing annual energy costs by up to 30%. Integrated with solar power and weatherization measures, they create comprehensive climate control solutions tailored to Vermont's extreme weather conditions.
Spray Foam Insulation
Applying closed-cell and expanding foam solutions, we address thermal bridging and air leakage in attics, walls, and foundations. Our cellulose insulation contains 85% recycled materials while soy-based spray foam reduces environmental impact. Proper insulation reduces heating costs by 20-40% and prevents moisture infiltration, with applications suitable for both new construction and retrofit projects.
Weatherization
Combining dense-pack cellulose, air sealing, and thermal envelope improvements, we create comprehensive weatherization plans. Projects often include attic, basement, and crawl space upgrades to prevent heat loss. Our approach addresses Vermont's climate challenges while improving indoor air quality and reducing strain on HVAC systems through passive energy conservation measures.
People
Scott Gardner
Founder
Scott pioneered Vermont's energy efficiency movement, transforming Northeast Construction into Building Energy in 2007. With 40+ years in construction, he champions whole-systems building science and sustainable practices that reduce carbon footprints while enhancing home comfort.
Nik Ponzio
Co-Owner
As senior project engineer, Nik leads solar and heat pump initiatives. His technical expertise spans renewable energy system design and performance optimization, ensuring Vermont residents receive durable, code-compliant energy solutions backed by decades of field experience.
Russ Flanigan
Senior Energy Specialist
Russ combines building science knowledge with 10+ years of energy auditing experience. He specializes in diagnosing complex energy inefficiencies and crafting technically sound solutions that balance homeowner needs with environmental stewardship through data-driven recommendations.
Brent Mellen
Weatherization Manager
Brent oversees White River Junction operations, applying 15+ years of hands-on weatherization expertise to improve building envelopes. His work ensures proper insulation installation and air sealing techniques that maximize energy savings while maintaining structural integrity.
Andrew Charbonneau
Project Manager
With 20+ years in construction management, Andrew coordinates complex energy projects from design to completion. His VT Tech degree and field experience ensure seamless integration of renewable systems with structural requirements, maintaining timelines and budgets without compromising quality.
Questions
What makes Building Energy different from other contractors?
We combine 40+ years of Vermont construction experience with BPI-certified energy expertise, offering end-to-end solutions from audits to solar installations. As Mitsubishi Diamond Contractors, our technical proficiency ensures optimal system performance.
Do you offer energy audit rebates?
Yes, our audits qualify clients for Efficiency Vermont rebates averaging $400-$1,000. We handle all rebate applications, simplifying the process while maximizing savings through comprehensive energy improvement plans.
Can heat pumps work in Vermont winters?
Our Mitsubishi systems operate efficiently at -15°F. Installed by certified technicians, these cold climate models provide reliable heating and cooling while reducing annual energy costs through advanced heat exchange technology.
How do insulation upgrades save money?
Proper insulation reduces heat loss by 20-40%. Our closed-cell foam and cellulose solutions prevent air leakage, lowering heating bills while improving comfort. Recycled material usage supports both cost savings and environmental objectives.
What solar installation warranties do you provide?
We offer 10-year workmanship warranties alongside manufacturer equipment coverage. All systems receive performance validation testing, ensuring long-term energy production guarantees that protect your investment for decades.
Do you service past projects?
Yes, as a locally owned company since 1981, we maintain relationships with past clients through maintenance programs. Our commitment extends beyond installation, with system checks and service support available for all completed projects.
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