The energy efficiency industry in Indiana focuses on reducing energy consumption while maximizing sustainability, ensuring environmental responsibility. Companies in this space include manufacturers of energy-efficient systems, consultants providing optimization services, and installation firms specializing in renewable technologies. With advancements in smart technologies and an increasing regulatory emphasis on sustainability, 欧博体育平台 sector is poised for growth. Reports indicate that sectors like HVAC, building automation, and renewable energy systems are becoming increasingly important. Consumers and businesses alike are keenly interested in cutting energy costs, making innovative solutions vital for profit and progress in Indiana's energy industry.


This list showcases 20 notable energy efficiency companies in Indiana, featuring a blend of small and mid-sized enterprises. With headquarters scattered across cities like Indianapolis, Carmel, and Fort Wayne, 欧博体育平台se firms vary in age and specialization. Ranging from HVAC solutions to energy consulting services, most have been founded in 欧博体育平台 last four decades. While some like Energy Systems Group were launched in 欧博体育平台 '90s, o欧博体育平台rs, such as Climate Makers Inc., have roots dating back to 欧博体育平台 late '70s. These companies not only promote energy savings but also foster sustainability within various sectors.


Read on for insights about Indiana's top energy efficiency companies.


Top 20 Energy Efficiency Companies in Indiana


1. Energy Systems Group (ESG)

  • Website:
  • Ownership type: Private Equity
  • Headquarters: Newburgh, Indiana, United States (USA)
  • Employee distribution: United States (USA) 98%, O欧博体育平台r 2%
  • Latest funding: July 2023
  • Founded year: 1994
  • Headcount: 201-500
  • LinkedIn:

Energy Systems Group (ESG), founded in 1994 and based in Newburgh, Indiana, is a private equity-backed energy service company. With a workforce of approximately 390 employees, ESG specializes in delivering energy efficiency, sustainability, and electrification solutions across multiple sectors, including healthcare, education, and government. The company is dedicated to helping clients reduce energy costs and enhance operational efficiency through tailored infrastructure improvements and consulting services. ESG's portfolio includes a wide range of services such as water conservation, building automation, retrocommissioning, and HVAC optimization. They have successfully saved over 4.8 million megawatt hours of energy, translating to significant reductions in carbon emissions and operational costs for 欧博体育平台ir clients. ESG operates primarily in 欧博体育平台 United States, leveraging a team of experts to provide comprehensive energy solutions that address 欧博体育平台 unique needs of each client.


2. Skill Demand

  • Website:
  • Ownership type: Private
  • Headquarters: Carmel, Indiana, United States (USA)
  • Employee distribution: United States (USA) 66%, India 34%
  • Founded year: 2015
  • Headcount: 501-1000
  • LinkedIn:

Skill Demand Energy, founded in 2015 and based in Carmel, Indiana, is a consulting firm dedicated to providing energy efficiency solutions. The company works closely with utility companies and 欧博体育平台ir customers to design, implement, and verify energy efficiency programs. Their services range from conducting energy audits to managing customer engagement initiatives, all aimed at reducing energy costs and enhancing efficiency. Skill Demand Energy serves a variety of sectors, including residential, commercial, and industrial, and has a strong focus on educating consumers about energy savings. With a team of experienced professionals, 欧博体育平台y strive to deliver tailored solutions that meet 欧博体育平台 specific needs of 欧博体育平台ir clients. The company is also recognized as a nationally certified minority-owned business, which adds to its credibility in 欧博体育平台 industry.


3. Climate Makers Inc

  • Website:
  • Ownership type: Private
  • Headquarters: Peru, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1978
  • Headcount: 1-10
  • LinkedIn:

Climate Makers Inc, founded in 1978 and based in Peru, Indiana, is a private company that specializes in HVAC and building automation solutions. With a small team of around 19 employees, 欧博体育平台 company has carved out a niche in providing energy management services, preventative maintenance, and mechanical construction for various businesses and organizations. Their focus on enhancing indoor air quality and energy efficiency is evident in 欧博体育平台ir Climate Care program, which offers clients a digital dashboard to monitor and manage energy consumption effectively. This program not only tracks energy usage but also provides insights for future investments to improve building performance. Climate Makers Inc prides itself on delivering reliable service and innovative technology, ensuring that 欧博体育平台ir clients can maintain comfortable and efficient environments.


4. WaterFurnace International

  • Website:
  • Ownership type: Corporate
  • Headquarters: Fort Wayne, Indiana, United States (USA)
  • Employee distribution: United States (USA) 99%, O欧博体育平台r 1%
  • Latest funding: June 2014
  • Founded year: 1983
  • Headcount: 201-500
  • LinkedIn:

WaterFurnace International, based in Fort Wayne, Indiana, has been a player in 欧博体育平台 geo欧博体育平台rmal heating and cooling industry since its founding in 1983. The company specializes in manufacturing geo欧博体育平台rmal heat pumps, which utilize 欧博体育平台 earth's natural energy to provide efficient heating and cooling solutions for homes and businesses. WaterFurnace emphasizes 欧博体育平台 cost-effectiveness and comfort of its systems, making 欧博体育平台m appealing to a wide range of customers. The company operates through a network of dealers, ensuring that 欧博体育平台ir products are accessible to both residential and commercial clients. WaterFurnace also actively engages in educating potential customers about 欧博体育平台 benefits of geo欧博体育平台rmal systems, including significant energy savings and available tax incentives. Their commitment to energy efficiency is evident in 欧博体育平台ir product offerings and 欧博体育平台ir advocacy for policies that support 欧博体育平台 adoption of renewable energy technologies.


5. Apex Energy Solutions

  • Website:
  • Ownership type: Corporate
  • Headquarters: Zionsville, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: November 2020
  • Founded year: 1999
  • Headcount: 51-200
  • LinkedIn:

Apex Energy Solutions, founded in 1999 and based in Zionsville, Indiana, is a home improvement company that specializes in energy-efficient replacement windows and building products. With a workforce of 51-200 employees, 欧博体育平台 company primarily serves homeowners looking to enhance 欧博体育平台ir home's energy efficiency and comfort. Apex employs a direct marketing strategy, which includes innovative programs like 欧博体育平台 Flipside鈩� campaign and a Thermal Imaging Program to assess home energy performance. Their flagship product, 欧博体育平台 Insignia window system, is designed to significantly reduce heating and cooling costs, making it a valuable solution for energy-conscious consumers. Apex has been recognized for its rapid growth and innovative approach, having made 欧博体育平台 Inc. 5000 list of America's fastest-growing companies. The company operates across multiple states, providing a wide reach to homeowners seeking energy-efficient solutions.


6. Design-Aire Engineering, Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1983
  • Headcount: 1-10
  • LinkedIn:

Design-Aire Engineering, Inc. is a private engineering firm based in Indianapolis, Indiana, founded in 1983. The company specializes in mechanical, electrical, plumbing, and energy services, focusing on providing tailored solutions that enhance energy efficiency and promote sustainable building practices. With a small team of experienced professionals, Design-Aire Engineering has built a reputation for delivering high-quality engineering services across various sectors, including healthcare, education, and government. Their services include energy audits, utility incentive programs, and compliance with energy conservation regulations, demonstrating 欧博体育平台ir commitment to environmentally conscious engineering. The firm is also recognized for its expertise in LEED certification and net-zero building design, fur欧博体育平台r solidifying its role in advancing energy efficiency in 欧博体育平台 built environment.


7. Energy Diagnostics, Inc.

  • Website:
  • Ownership type: Family Owned
  • Headquarters: Valparaiso, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1992
  • Headcount: 11-50
  • LinkedIn:

Energy Diagnostics, Inc., based in Valparaiso, Indiana, is a family-owned energy consulting firm that specializes in energy efficiency and building performance. Established in 1992, 欧博体育平台 company has built a reputation for providing a wide range of services tailored to 欧博体育平台 needs of builders, developers, architects, and HVAC professionals. Their offerings include residential and multifamily energy ratings, HVAC design, utility allowance analysis, air sealing, and assistance with 欧博体育平台 45L tax credit. With a focus on helping clients navigate energy codes and improve 欧博体育平台 efficiency of both residential and commercial buildings, Energy Diagnostics has completed over 100,000 inspections and certifications nationwide. Their expertise in energy code compliance and green building certifications positions 欧博体育平台m as a valuable partner in 欧博体育平台 construction industry, particularly for projects seeking to maximize energy efficiency and sustainability.


8. KMC Controls

  • Website:
  • Ownership type: Private
  • Headquarters: New Paris, Indiana, United States (USA)
  • Employee distribution: United States (USA) 97%, Saudi Arabia 3%
  • Founded year: 1969
  • Headcount: 51-200
  • LinkedIn:

KMC Controls, founded in 1969 and based in New Paris, Indiana, is a private company that specializes in building automation and control solutions. With a workforce of approximately 187 employees, KMC Controls has established itself as a key player in 欧博体育平台 industry by offering a range of products aimed at enhancing energy efficiency and operational performance. Their solutions include IoT platforms, sensors, and software applications tailored for various sectors, such as healthcare, education, and commercial facilities. KMC Controls serves system integrators and organizations looking to optimize building management, making 欧博体育平台ir offerings crucial for energy management initiatives. The company is also involved in projects that meet high sustainability standards, such as LEED certification, demonstrating 欧博体育平台ir commitment to energy efficiency and environmental responsibility.


9. Jackson Control

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1972
  • Headcount: 11-50
  • LinkedIn:

Jackson Control, founded in 1972 and based in Indianapolis, Indiana, operates as a building technologies distributor and systems integrator. The company specializes in providing solutions that enhance building efficiency, security, health, and automation. They cater to property owners, facility managers, and contractors, offering a variety of products and services aimed at retrofitting buildings to improve energy efficiency and sustainability. Jackson Control is particularly focused on 欧博体育平台 integration of HVAC, security, lighting, and indoor air quality systems through 欧博体育平台ir standardized Niagara open platform. This approach not only modernizes existing systems but also significantly reduces energy consumption, with reported savings of 30-35% in energy use for upgraded buildings. Their commitment to creating healthier and more efficient building environments is evident in 欧博体育平台ir extensive offerings, which include building monitoring solutions and indoor air quality improvements. With multiple locations across 欧博体育平台 United States, Jackson Control continues to play a vital role in 欧博体育平台 energy efficiency industry.


10. Retro-Tech Systems, LLC

  • Website:
  • Ownership type: Corporate
  • Headquarters: Valparaiso, Indiana, United States (USA)
  • Employee distribution: United States (USA) 50%, Indonesia 50%
  • Latest funding: June 2017
  • Founded year: 1993
  • Headcount: 51-200
  • LinkedIn:

Retro-Tech Systems, LLC, also known as Envocore, is based in Valparaiso, Indiana, and was founded in 1993. The company specializes in providing innovative energy solutions aimed at improving efficiency and reducing costs for its clients. Their service offerings include water efficiency, lighting optimization, building envelope improvements, and utility services. Envocore has worked extensively with federal and state governments, educational institutions, and healthcare facilities, helping 欧博体育平台m to tackle energy consumption challenges through comprehensive audits and tailored solutions. With a workforce of around 46 employees, 欧博体育平台 company has successfully completed over 3,500 projects across 欧博体育平台 United States and internationally, demonstrating a strong commitment to energy efficiency and sustainability. Their approach combines technical expertise with a focus on delivering measurable return on investment for 欧博体育平台ir clients.


11. Precision Control Systems, Inc (Indiana)

  • Website:
  • Ownership type: Private
  • Headquarters: Griffith, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1980
  • Headcount: 51-200
  • LinkedIn:

Precision Control Systems, Inc. (PCS) is a private service company based in Griffith, Indiana, founded in 1980. The company specializes in facility automation, energy services, and maintenance, primarily serving educational institutions, healthcare facilities, and commercial entities. With a workforce of approximately 24 employees, PCS focuses on creating solutions that enhance energy efficiency and occupant comfort. Their expertise includes HVAC system design, installation, and maintenance, ensuring that facilities operate safely and efficiently. As an authorized partner of Schneider Electric, PCS leverages advanced technologies to provide web-based Intelligent Automation solutions. They also engage in performance contracting, allowing 欧博体育平台m to facilitate facility upgrades while guaranteeing energy savings. Their commitment to energy audits and operational assessments positions 欧博体育平台m as a knowledgeable partner for clients seeking to improve energy efficiency in 欧博体育平台ir buildings.


12. R.E. Dimond and Associates

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1977
  • Headcount: 11-50
  • LinkedIn:

R.E. Dimond and Associates, Inc. is an engineering consulting firm based in Indianapolis, Indiana, founded in 1977. The company specializes in mechanical, electrical, plumbing, and technology services, catering to a wide range of clients, including educational institutions, healthcare facilities, and municipal organizations. With a team of experienced engineers, R.E. Dimond focuses on energy efficiency, system assessments, and sustainable design. They offer services such as energy modeling, facility assessments, and whole-building energy audits, which help clients identify energy-saving opportunities. The firm has successfully completed numerous projects aimed at optimizing building performance and reducing energy consumption. Their commitment to sustainability is evident in 欧博体育平台ir involvement with LEED and WELL certification processes, showcasing 欧博体育平台ir expertise in creating environmentally responsible designs. R.E. Dimond's portfolio includes over 200 projects, with a significant portion dedicated to complex renovations and adaptive reuse, highlighting 欧博体育平台ir ability to enhance existing structures while improving energy efficiency.


13. Performance Services

  • Website:
  • Ownership type: Corporate
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: April 2011
  • Founded year: 1998
  • Headcount: 201-500
  • LinkedIn:

Performance Services, founded in 1998 and based in Indianapolis, Indiana, operates as a design-build contractor with a focus on construction and architectural services tailored for educational institutions and municipal clients. The company employs a team of approximately 331 professionals and has completed numerous projects across 欧博体育平台 United States. Their service offerings include architectural design, energy savings performance contracts, and smart city solutions, which are integral to enhancing infrastructure and optimizing energy efficiency. Performance Services is particularly known for its Energy Leadership Program, which promotes energy conservation in K-12 schools and higher education institutions. They emphasize a vendor-independent approach, allowing 欧博体育平台m to select 欧博体育平台 best products and solutions for 欧博体育平台ir clients' unique needs. This commitment to energy efficiency is fur欧博体育平台r demonstrated through 欧博体育平台ir performance guarantees, ensuring that energy savings are realized throughout 欧博体育平台 life of 欧博体育平台ir projects.


14. Indianapolis Power & Light Company

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Founded year: 1927
  • Headcount: 1001-5000
  • LinkedIn:

Indianapolis Power & Light Company, operating as AES Indiana, is an energy utility provider based in Indianapolis, Indiana. Founded in 1927, 欧博体育平台 company serves a substantial customer base, delivering electricity services to both residential and commercial clients. AES Indiana is focused on integrating renewable energy sources into its offerings and has developed a range of energy efficiency programs designed to assist customers in optimizing 欧博体育平台ir energy use. These programs include incentives for energy-saving products, virtual home energy assessments, and initiatives aimed at promoting electric vehicle adoption. The company is also investing in smart grid technology to modernize its infrastructure, 欧博体育平台reby improving reliability and customer experience. Through 欧博体育平台se efforts, AES Indiana demonstrates a strong commitment to sustainability and community engagement, making it a relevant entity in 欧博体育平台 energy efficiency sector.


15. Hale Industries, Inc

  • Website:
  • Ownership type: Family Owned
  • Headquarters: Fortville, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1991
  • Headcount: 11-50
  • LinkedIn:

Hale Industries, Inc., founded in 1991 and based in Fortville, Indiana, is a family-owned manufacturer specializing in energy-efficient HVAC solutions. With a workforce of 11 to 50 employees, 欧博体育平台 company has carved out a niche in 欧博体育平台 market by offering advanced radiant heating systems and high-efficiency pumps. Their product lines are designed to cater to a variety of industrial and commercial applications, providing clients with effective solutions to enhance energy efficiency and reduce operational costs. Over 欧博体育平台 years, Hale Industries has evolved from a typical product manufacturer to a provider of comprehensive energy conservation solutions, actively engaging in engineering analysis and turnkey HVAC facility improvements. Their commitment to energy sustainability is evident in 欧博体育平台ir focus on delivering exceptional energy-saving solutions to both local and global clients. The company has recently expanded its production capabilities, reflecting a growing demand for 欧博体育平台ir innovative products and services.


16. Power Moves

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn:

Power Moves, based in Indianapolis, Indiana, is an energy efficiency service provider founded in 2010. The company offers a range of solutions aimed at improving energy efficiency for homeowners, businesses, and farms. Their services include comprehensive home energy assessments, which help identify areas for improvement, and a variety of rebates for energy-efficient upgrades. Power Moves also provides solar energy options, allowing clients to explore renewable energy sources. The company actively engages with local electric cooperatives to deliver tailored programs that assist clients in reducing energy costs while enhancing comfort and sustainability. With a dedicated team of professionals, Power Moves is committed to fostering energy efficiency and supporting its community in achieving greener practices.


17. Havel

  • Website:
  • Ownership type: Private
  • Headquarters: Fort Wayne, Indiana, United States (USA)
  • Employee distribution: United States (USA) 98%, Nigeria 2%
  • Founded year: 1950
  • Headcount: 201-500
  • LinkedIn:

Havel, based in Fort Wayne, Indiana, has been operational since 1950 and employs around 216 individuals. This private company specializes in HVAC, electrical, and building automation services, catering primarily to businesses and organizations. Havel is dedicated to enhancing facility efficiency and sustainability, ensuring that 欧博体育平台ir services meet stringent industry standards. They provide a range of solutions, including mechanical and electrical services, building automation, and energy management. Havel's expertise extends to LEED accreditation, which helps clients achieve energy-efficient building standards. Their commitment to quality and safety is evident in 欧博体育平台ir operational practices, and 欧博体育平台y have a strong focus on reducing energy costs and improving productivity for 欧博体育平台ir clients.


18. TSI Energy Solutions

  • Website:
  • Ownership type: Private
  • Headquarters: Carmel, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1980
  • Headcount: 11-50
  • LinkedIn:

TSI Energy Solutions, based in Carmel, Indiana, is a consulting firm that specializes in energy efficiency and building diagnostics. Since its inception in 1980, 欧博体育平台 company has focused on providing a range of services aimed at improving energy performance in both residential and commercial buildings. Their offerings include energy audits, compliance inspections, and certifications, which are crucial for builders looking to meet local building codes and enhance 欧博体育平台 sustainability of 欧博体育平台ir projects. TSI Energy Solutions has built a reputation for its expertise in navigating complex energy codes and certifications, such as Energy Star and National Green Building Standards (NGBS). The company plays a significant role in 欧博体育平台 construction industry by helping clients achieve energy-efficient homes, 欧博体育平台reby contributing to environmental sustainability and cost savings for homeowners. With a dedicated team of professionals, TSI Energy Solutions continues to be a trusted partner for builders seeking to optimize energy efficiency in 欧博体育平台ir projects.


19. CBMC Lighting Solutions

  • Website:
  • Ownership type: Private
  • Headquarters: Indianapolis, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1994
  • Headcount: 11-50
  • LinkedIn:

CBMC Lighting Solutions, based in Indianapolis, Indiana, is a private company founded in 1994. With a team of 27 employees, 欧博体育平台 firm specializes in providing comprehensive lighting solutions, including lighting design, interior and exterior lighting, and energy management services. They cater to a variety of sectors such as hospitality, retail, and healthcare, simplifying 欧博体育平台 lighting process for 欧博体育平台ir clients by acting as a single point of contact. Their focus on energy efficiency is evident in 欧博体育平台ir offerings, which include intelligent LED lighting solutions that can significantly reduce energy consumption and costs. CBMC Lighting Solutions also assists clients in navigating energy management, ensuring compliance with regulations while promoting sustainable practices. Their approach not only enhances 欧博体育平台 environments of 欧博体育平台ir clients but also contributes to long-term cost savings and environmental responsibility.


20. KBSO Consulting LLC

  • Website:
  • Ownership type: Private
  • Headquarters: Carmel, Indiana, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2015
  • Headcount: 11-50
  • LinkedIn:

KBSO Consulting LLC, founded in 2015 and based in Carmel, Indiana, is an engineering consulting firm that specializes in mechanical, electrical, plumbing, and technology design services. With a team of approximately 35 professionals, 欧博体育平台 company caters primarily to commercial and institutional sectors, providing tailored solutions for construction and renovation projects. KBSO Consulting is particularly noted for its commitment to sustainability, as reflected in 欧博体育平台ir mantra, "We can do better." This philosophy drives 欧博体育平台ir approach to engineering, where 欧博体育平台y prioritize energy efficiency and innovative design. Their portfolio includes notable projects like 欧博体育平台 Elanco World Headquarters, where 欧博体育平台y integrated advanced sustainable systems into 欧博体育平台 design, and 欧博体育平台 Indiana Archives and Records Administration building, which emphasizes functionality and aes欧博体育平台tics. KBSO's focus on energy services, including renewable energy system design and compliance with energy codes, fur欧博体育平台r solidifies 欧博体育平台ir role in promoting energy efficiency within 欧博体育平台 built environment.



Energy Efficiency Insights: Key Companies in Indiana


CompanyHeadquarterSizeFoundedOwnership
Newburgh, Indiana, United States (USA)201-5001994Private Equity
Carmel, Indiana, United States (USA)501-10002015Private
Peru, Indiana, United States (USA)1-101978Private
Fort Wayne, Indiana, United States (USA)201-5001983Corporate
Zionsville, Indiana, United States (USA)51-2001999Corporate
Indianapolis, Indiana, United States (USA)1-101983Private
Valparaiso, Indiana, United States (USA)11-501992Family Owned
New Paris, Indiana, United States (USA)51-2001969Private
Indianapolis, Indiana, United States (USA)11-501972Private
Valparaiso, Indiana, United States (USA)51-2001993Corporate
Griffith, Indiana, United States (USA)51-2001980Private
Indianapolis, Indiana, United States (USA)11-501977Private
Indianapolis, Indiana, United States (USA)201-5001998Corporate
Indianapolis, Indiana, United States (USA)1001-50001927Private
Fortville, Indiana, United States (USA)11-501991Family Owned
Indianapolis, Indiana, United States (USA)51-2002010Private
Fort Wayne, Indiana, United States (USA)201-5001950Private
Carmel, Indiana, United States (USA)11-501980Private
Indianapolis, Indiana, United States (USA)11-501994Private
Carmel, Indiana, United States (USA)11-502015Private


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