About Energy Unlimited
We Are Here to Help with Every Step of Your Gas Conversion
Energy Unlimited, LLC is a family-owned heating, cooling, and ventilation contractor with decades of experience serving homeowners across North Central Connecticut, including the towns of Manchester, Bolton, Hartford, and beyond. Whether you’re looking to reduce your carbon footprint, lower your energy bills, or simply upgrade to a more efficient system, we are here to guide you through every phase of your gas conversion project.

Our Team

Mark Piechowicz

Mike Piechowicz

Matt

Rob

Justin
Our Credentials and Expertise for Gas Conversion
Choosing the right contractor for your gas conversion project is crucial for the safety and performance of your system. At Energy Unlimited, we have built our reputation on delivering the highest quality of service, backed by industry certifications and accreditations that highlight our commitment to excellence.
- Connecticut Natural Gas Conversion Network: We are part of the Connecticut Natural Gas Conversion Network, which means we are certified to help homeowners take advantage of state programs and rebates related to gas conversions.
- Energize CT Approved Contractor: As an Energize CT approved contractor, we can assist you in accessing rebates and incentives for energy-efficient upgrades, helping to make your gas conversion more affordable.
- Authorized Trane Heat and Air Conditioning Contractor: We are proud to be an authorized Trane contractor, offering some of the most reliable and energy-efficient heating and cooling equipment in the industry.
- Authorized Bosch and Buderus Heating Contractor: Our partnership with Bosch and Buderus allows us to provide high-quality boilers and heating systems that are built to last, with superior energy efficiency.
- Better Business Bureau Accredited: Our A+ rating with the Better Business Bureau (BBB) reflects our long-standing commitment to customer satisfaction and professional service.
- Fully Licensed and Insured: Our technicians are licensed with the Connecticut Department of Consumer Protection, and we carry full insurance coverage through the Federated Insurance Company (FIC), ensuring peace of mind for every project we undertake.
We Are Here to Help with Every Step of Your Gas Conversion

Our Credentials and Expertise
Choosing the right contractor for your gas conversion project is crucial for the safety and performance of your system. At Energy Unlimited, we have built our reputation on delivering the highest quality of service, backed by industry certifications and accreditations that highlight our commitment to excellence.
- Connecticut Natural Gas Conversion Network: We are part of the Connecticut Natural Gas Conversion Network, which means we are certified to help homeowners take advantage of state programs and rebates related to gas conversions.
- Energize CT Approved Contractor: As an Energize CT approved contractor, we can assist you in accessing rebates and incentives for energy-efficient upgrades, helping to make your gas conversion more affordable.
- Authorized Trane Heat and Air Conditioning Contractor: We are proud to be an authorized Trane contractor, offering some of the most reliable and energy-efficient heating and cooling equipment in the industry.
- Authorized Bosch and Buderus Heating Contractor: Our partnership with Bosch and Buderus allows us to provide high-quality boilers and heating systems that are built to last, with superior energy efficiency.
- Better Business Bureau Accredited: Our A+ rating with the Better Business Bureau (BBB) reflects our long-standing commitment to customer satisfaction and professional service.
- Fully Licensed and Insured: Our technicians are licensed with the Connecticut Department of Consumer Protection, and we carry full insurance coverage through the Federated Insurance Company (FIC), ensuring peace of mind for every project we undertake.
The Energy Unlimited Gas Conversion Difference
Our Gas Conversion Process
Free Consultation and Assessment: We begin every project with a thorough evaluation of your current heating system and home infrastructure. This allows us to provide an accurate estimate of the work required for your gas conversion and helps identify any potential challenges.
Customized Solutions: Based on your home’s unique needs, we design a natural gas heating system that maximizes energy efficiency, comfort, and savings. We take into account factors such as the size of your home, your heating requirements, and any specific preferences you may have.
Transparent Pricing: With Energy Unlimited, you’ll never have to worry about hidden fees or unexpected costs. Our estimates are detailed and transparent, giving you a clear picture of what your gas conversion will entail from start to finish.
Professional Installation: Our team of highly trained technicians will handle every aspect of your gas conversion, from removing your old system to installing the new natural gas equipment. We use only the highest quality materials and equipment to ensure long-lasting performance.
Post-Installation Support: Even after your new system is installed, we continue to provide support with maintenance, repairs, and any questions you may have about your new gas heating system.

Experience and Training Matters
- Expertise: Years of experience handling complex installations and conversions.
- Precision: Meticulous attention to detail ensures everything is done right.
- Efficiency: We complete the job quickly without sacrificing quality.
- Reliability: Our goal is to get it right the first time, giving you peace of mind.