Maryland's energy efficiency companies focus on reducing energy consumption while promoting sustainability. They range from manufacturers to consulting firms, all striving to create innovative solutions across various sectors. These companies not only deliver energy audits, HVAC improvement, and building automation services but also actively engage in community outreach, aiming to enhance overall energy literacy. With increasing emphasis on sustainability and governmental regulations, the industry is expected to grow considerably. This growth trend is influenced by technological advancements and widespread recognition of the economic savings derived from energy efficiency measures, which further expedites the transition to a more energy-responsive society.

The companies listed come from a mix of backgrounds and sizes, with many headquartered in Maryland's key locations like Gambrills and Baltimore. Active since 1945 or as recent as 2017, they range from small private firms to larger corporations, specializing in services such as energy audits, LED retrofits, and HVAC optimization. They cater to both residential and commercial clients, indicating a comprehensive reach within the market. Their varied experiences and services highlight a collective aim to bolster energy efficiency across Maryland and beyond, paving the way for more sustainable practices in this essential industry.

Read on to discover notable energy efficiency companies in Maryland.

Top 22 Energy Efficiency Companies in Maryland

1. Envocore

• Website: envocore.com
• Ownership type: Private
• Headquarters: Gambrills, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $4.1M, July 2018
• Founded year: 1993
• Headcount: 201-500
• LinkedIn: envocore

Envocore, founded in 1993 and based in Gambrills, Maryland, is a private energy solutions provider dedicated to optimizing energy efficiency for a variety of sectors, including government, education, healthcare, and utilities. The company offers a range of services, including water efficiency, lighting solutions, building envelope optimization, and utility services. Envocore has completed over 3,500 projects nationwide, saving clients more than $2.5 billion in costs. With a team of skilled engineers and certified designers, the company emphasizes safety and project execution, boasting an impressive on-time completion rate of 98.7 percent. Envocore's approach combines comprehensive audits and tailored solutions to help clients achieve significant energy savings and improve sustainability. The company operates across 48 states and has a strong presence in the energy efficiency market, making it a relevant player in the industry.

2. Fidelity Building Services Group

• Website: fidelitybsg.com
• Ownership type: Private Equity
• Headquarters: Sparks, Maryland, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: November 2021
• Founded year: 1945
• Headcount: 1001-5000
• LinkedIn: fidelity-building-services-group

Fidelity Building Services Group, founded in 1945, is a service-oriented company based in Sparks, Maryland. It specializes in HVAC/Mechanical Services, Building Automation, and Energy Solutions. The company serves a wide range of sectors, including commercial, industrial, government, education, and healthcare. With a workforce of over 1,000 employees, Fidelity is dedicated to providing essential services that ensure efficient building operations. Their offerings include system maintenance, energy transition planning, and smart building controls, all aimed at enhancing energy efficiency. Fidelity's commitment to energy and sustainability is evident in their focus on energy audits and conservation measures, which help clients optimize their energy use. The company has expanded its footprint through strategic acquisitions, further solidifying its presence in the energy solutions market.

3. LRI Energy Solutions

• Website: lrienergysolutions.com
• Ownership type: Corporate
• Headquarters: Gambrills, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $27.5M, July 2017
• Founded year: 1993
• Headcount: 201-500
• LinkedIn: lri-energy-solutions

LRI Energy Solutions, also known as Envocore, is an energy solutions provider based in Gambrills, Maryland. Founded in 1993, the company has carved out a niche in optimizing energy efficiency for various sectors, including government, education, and healthcare. Envocore offers a range of services such as water efficiency, lighting solutions, building envelope optimization, and utility management. Their approach is characterized by comprehensive audits and customized solutions aimed at reducing energy consumption and operational costs while promoting sustainability. With a workforce of around 21 employees and a history of successful project execution, Envocore has completed over 3,500 projects nationwide, achieving an impressive on-time completion rate of 98.7 percent. The company has also secured significant funding, amounting to $27.5 million, which underscores its growth potential and industry relevance.

4. Zerodraft Maryland

• Website: zerodraftmd.com
• Ownership type: Family Owned
• Headquarters: Timonium, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: zerodraft-maryland

Zerodraft Maryland, founded in 2008 and based in Timonium, Maryland, is a family-owned energy efficiency service provider. The company specializes in improving the energy performance of commercial, multifamily, and residential properties. Their offerings include comprehensive energy audits, LED lighting solutions, and water efficiency fixtures, all aimed at helping clients reduce energy costs while enhancing comfort. With a focus on local clientele, Zerodraft Maryland has successfully conducted over 50,000 energy checkups and audits across Maryland and surrounding regions. Their commitment to sustainability is evident in their mission to drive building energy and maintenance costs closer to zero. The company also actively participates in community initiatives, providing no-cost energy check-ups to Maryland residents and supporting local nonprofits. This engagement reflects their dedication to creating healthier, more sustainable buildings and communities.

5. Recurrent Innovative Solutions, LLC

• Website: recurrent.net
• Ownership type: Private
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: recurrent-llc

Recurrent Innovative Solutions, LLC, founded in 2013 and based in Rockville, Maryland, is a private service provider dedicated to improving building performance and energy efficiency. The company offers a range of services, including HVAC systems, building automation, deep energy retrofits, and lighting solutions. They cater primarily to commercial properties, working closely with property owners and facility managers to enhance tenant satisfaction while reducing costs. Recurrent's expertise extends to comprehensive facility improvements delivered on a turnkey basis, ensuring that projects are managed from concept through commissioning. Their innovative approach includes leveraging existing incentives and financing programs to offset project costs, making energy efficiency upgrades more accessible. The company has successfully completed numerous projects across Maryland, Virginia, and Washington D.C., demonstrating their capability in the energy efficiency industry.

6. American Energy Services, LLC

• Website: aeservices.us
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: american-energy-services

American Energy Services, LLC, based in Baltimore, Maryland, specializes in energy efficiency solutions. Founded in 2004, the company has nearly two decades of experience in the industry. They offer a range of services including LED retrofitting, electric vehicle charging installations, and thorough energy audits. Their clientele includes a mix of commercial businesses, government agencies, healthcare facilities, and educational institutions, showcasing their ability to serve various sectors. The company prides itself on conducting in-depth energy evaluations and providing tailored installations that help clients cut costs and enhance sustainability. American Energy Services operates with a focus on building long-term relationships with clients, ensuring that they meet their energy efficiency goals effectively. They also emphasize the importance of staying updated with the latest energy technologies to provide optimal solutions for their customers.

7. Energy Dynamics

• Website: energydynamicsmd.com
• Ownership type: Private
• Headquarters: Rockville, Maryland, United States (USA)
• Employee distribution: France 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: energy-dynamics

Energy Dynamics, founded in 2011 and based in Rockville, Maryland, is a private company dedicated to providing energy efficiency solutions. With a team of approximately 39 employees, the firm offers a range of services including comprehensive energy audits, LED lighting installations, HVAC system upgrades, and building automation. Their clientele primarily consists of commercial businesses, educational institutions, and faith-based organizations, all seeking to lower energy costs and improve sustainability. Energy Dynamics has successfully completed over 2,000 energy audits and installations, demonstrating its active involvement in the energy efficiency sector. The company also collaborates with local utility providers to facilitate rebate programs, further enhancing its service offerings and commitment to energy conservation.

8. Elysian Energy

• Website: elysianenergy.com
• Ownership type: Private
• Headquarters: Laurel, Maryland, United States (USA)
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: elysian-energy

Elysian Energy, founded in 2007 and based in Laurel, Maryland, is an energy efficiency consulting firm dedicated to helping homes and businesses optimize their energy use. The company offers a range of services including comprehensive energy audits, efficiency improvements, and electrification initiatives. Elysian Energy serves a broad clientele, from individual homeowners to large property management firms, all seeking to lower energy costs and improve comfort levels. They have successfully saved clients over $6.6 million in utility costs and have contributed to significant environmental benefits, including the reduction of over 22,000 tons of CO2 emissions. Their programs, particularly in Maryland and D.C., include Quick Home Energy Check-ups at no additional cost to residents, showcasing their commitment to community engagement and energy conservation. Elysian Energy's multifamily services have retrofitted numerous properties, demonstrating their capability and experience in the energy efficiency sector.

9. Efficient Home, LLC

• Website: efficienthomellc.com
• Ownership type: Private
• Headquarters: Burtonsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 83%, Australia 17%
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: efficient-home-llc

Efficient Home, LLC, based in Burtonsville, Maryland, is an energy efficiency service provider established in 2007. The company specializes in conducting energy audits, weatherization, and retrofitting for both residential and commercial properties. With a workforce of 24 employees, Efficient Home serves a variety of clients, including homeowners, commercial property owners, and government agencies. Their services aim to reduce energy costs and enhance energy efficiency through a range of solutions, such as HVAC upgrades, insulation, and lighting improvements. The company has successfully completed over 9,500 energy audits for utility weatherization programs and has been involved in significant projects like the comprehensive energy audit of a 102-unit multifamily property. Efficient Home is also recognized for its participation in low-income weatherization programs, providing essential services to households with high energy usage. Their collaboration with utility companies and local government agencies further underscores their active role in promoting energy efficiency in the Mid-Atlantic region.

10. Pritchett Controls

• Website: pritchettcontrols.com
• Ownership type: Private
• Headquarters: Beltsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: pritchett-controls

Pritchett Controls, founded in 1987 and based in Beltsville, Maryland, is an employee-owned company that specializes in building automation and energy management solutions. With a workforce of approximately 51-200 employees, the company serves a variety of sectors, including education, healthcare, and commercial industries. Their offerings include building automation systems, energy management services, and maintenance, all aimed at enhancing building performance and energy efficiency. Pritchett Controls is recognized for its expertise in control technologies, particularly in HVAC, lighting, and security systems. They utilize open protocols like BACnet and Modbus, allowing for flexible and integrated solutions tailored to client needs. The company also emphasizes the importance of training and support, ensuring that clients can maximize the benefits of their systems. Pritchett Controls operates multiple branch offices in Maryland and Virginia, further extending their reach and service capabilities.

11. RIFE International

• Website: rifeintl.com
• Ownership type: Private
• Headquarters: Bethesda, Maryland, United States (USA)
• Employee distribution: United States (USA) 67%, Ghana 33%
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: rife-international

RIFE International is a consulting and construction management company based in Bethesda, Maryland, founded in 2007. With a team of 18 employees, the firm focuses on energy efficiency, renewable energy, and sustainable development solutions. RIFE serves a variety of clients, including government institutions and private sector organizations, helping them optimize energy consumption and reduce operational costs through innovative technologies and practices. Their services include energy efficiency consulting, renewable energy solutions, sustainable construction management, and energy infrastructure procurement. RIFE has demonstrated its commitment to improving energy performance through projects like energy audits, building retrofits, and the installation of energy-efficient systems. The company has also received recognition for its customer satisfaction and innovative contributions to energy efficiency, further establishing its credibility in the industry.

12. Global Facility Solutions

• Website: gfsolutionsllc.com
• Ownership type: Corporate
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 92%, India 8%
• Latest funding: October 2023
• Founded year: 2006
• Headcount: 1-10
• LinkedIn: global-facility-solutions-llc

Global Facility Solutions (GFS), founded in 2006 and based in Columbia, Maryland, is an energy consulting firm dedicated to optimizing building performance and enhancing energy efficiency. With a team of skilled professionals, GFS offers a range of services including engineering solutions, commissioning, retro-commissioning, and sustainability consulting. They cater to a variety of sectors, notably healthcare, education, and government, focusing on delivering measurable results that improve operational efficiency. GFS has established a solid reputation in the industry, evidenced by their recognition as the 2024 ENERGY STAR® Partner of the Year by the U.S. Environmental Protection Agency, marking their third consecutive year receiving this honor. Their commitment to sustainability and energy efficiency is further underscored by their recent integration into Exigent, a group that emphasizes energy efficiency and engineering services. GFS's approach is characterized by a client-first philosophy, ensuring that their solutions are tailored to meet the unique needs of each facility they serve.

13. HBS Solutions, Inc.

• Website: hbssolutionsinc.com
• Ownership type: Private
• Headquarters: Edgewater, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 1-10
• LinkedIn: hbs-solutions-inc

HBS Solutions, Inc., based in Edgewater, Maryland, is a consulting firm founded in 2009 that specializes in energy-related engineering and building commissioning services. The company assists both government and commercial facilities in optimizing their building performance and enhancing energy efficiency. Their services include building commissioning, energy consulting, and operational improvements, all aimed at achieving significant energy savings and operational efficiencies. The team at HBS Solutions consists of skilled professional engineers, project managers, and technicians who are recognized for their specialized knowledge and experience in the field. They have successfully completed various projects, demonstrating their capability to implement energy conservation measures and improve operational efficiency. HBS Solutions is committed to providing high-value services that ensure clients receive maximum return on investment in their energy efficiency initiatives.

14. EDGE Energy

• Website: edge-gogreen.com
• Ownership type: Private
• Headquarters: Beltsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: edge-energy

EDGE Energy, founded in 2006 and based in Beltsville, Maryland, is a private energy solutions provider that focuses on solar energy and HVAC services. The company offers a comprehensive range of products and services, including solar panel installation, energy audits, and home improvements designed to enhance energy efficiency. Their clientele consists of both homeowners and businesses in the DC, Maryland, and Virginia areas, all seeking to lower energy costs and adopt renewable energy solutions. EDGE Energy has completed over 5,000 projects, showcasing their extensive experience in the industry. They have been recognized as a six-time ENERGY STAR® Contractor of the Year, reflecting their dedication to high performance and customer satisfaction. The company operates with a commitment to maximizing tax credits and incentives for their clients, further supporting energy efficiency initiatives.

15. EVAPCO, Inc.

• Website: evapco.com
• Ownership type: Private
• Headquarters: Taneytown, Maryland, United States (USA)
• Employee distribution: United States (USA) 90%, Brazil 3%, South Africa 2%, Other 5%
• Founded year: 1976
• Headcount: 1001-5000
• LinkedIn: evapco

EVAPCO, Inc., founded in 1976 and based in Taneytown, Maryland, is a manufacturer focused on cooling and refrigeration solutions. The company provides a wide array of products, including closed circuit coolers, condensers, and water treatment systems, primarily serving the HVAC and industrial markets. EVAPCO emphasizes innovation and sustainability, aiming to help clients maintain efficient operations. Their product offerings are designed to improve energy efficiency and reduce resource consumption, making them a significant player in the energy efficiency sector. With a global presence, EVAPCO operates multiple manufacturing facilities in the United States and has expanded its reach to markets in Brazil, South Africa, and Europe. The company is employee-owned, which fosters a culture of commitment to quality and service.

16. MD Energy Advisors

• Website: mdenergyadvisors.com
• Ownership type: Corporate
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: November 2014
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: maryland-energy-advisors-llc

MD Energy Advisors, based in Baltimore, Maryland, is an energy consulting firm that has been operational since 2010. The company provides customized energy solutions aimed at enhancing energy management, efficiency, and the adoption of renewable energy sources. They serve a wide range of clients, including commercial businesses, utilities, and government entities, helping them navigate complex energy decisions and achieve significant cost savings. Their service offerings include commercial solutions, utility solutions, financing options, and government solutions, showcasing their comprehensive approach to energy consulting. Notably, MD Energy Advisors is involved in the Maryland Building Energy Performance Standards (BEPS), which aims to reduce greenhouse gas emissions and energy consumption in large buildings. This involvement highlights their commitment to advancing energy efficiency standards in the state. With a team of professionals dedicated to delivering exceptional customer service, MD Energy Advisors positions itself as a trusted partner in the energy sector.

17. ClearlyEnergy

• Website: clearlyenergy.com
• Ownership type: Venture Capital
• Headquarters: Severna Park, Maryland, United States (USA)
• Employee distribution: United States (USA) 76%, South Africa 24%
• Latest funding: Seed, $350,000, April 2013
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: clearlyenergy

ClearlyEnergy, founded in 2012 and based in Severna Park, Maryland, specializes in energy efficiency consulting and analytics. The company provides a range of services aimed at improving energy management for homeowners, real estate professionals, and energy auditors. Their offerings include energy modeling, virtual audits, and financing options tailored for energy improvements. ClearlyEnergy also engages in carbon accounting and energy benchmarking, helping clients track and manage their energy consumption and costs effectively. With a small team of 21 employees, the company has received seed funding of $350,000, which supports its operations and growth in the energy efficiency market. Their focus on data-driven solutions and innovative approaches to energy audits positions them as a notable player in the energy efficiency industry.

18. Autani

• Website: autani.com
• Ownership type: Private
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: autani

Autani is a building technology company based in Columbia, Maryland, founded in 2006. The company specializes in smart building solutions, offering a range of products that include energy management software, lighting controls, and HVAC systems. Their technology is designed to help facility managers and building owners optimize energy use, reduce operational costs, and improve overall building performance. Autani's systems are user-friendly and can be easily installed, making them suitable for various industries such as healthcare, education, retail, and hospitality. The company emphasizes the integration of IoT technology to create efficient and responsive building environments, enabling real-time monitoring and management of energy consumption. Autani's solutions also qualify for top-tier rebates, further incentivizing energy efficiency investments for their clients.

19. Star Energy

• Website: starenergy.biz
• Ownership type: Private
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: star-energy1

Star Energy, founded in 2017 and based in Annapolis, Maryland, is a private HVAC service company that specializes in energy efficiency solutions tailored for commercial properties. With a team of 27 employees, the company has carved out a niche in the HVAC sector by offering services such as HVAC efficiency tune-ups and duct sealing. These services are aimed at helping clients reduce energy costs and enhance indoor air quality. Star Energy has established partnerships with major utility companies across Maryland, Virginia, North Carolina, New Jersey, Pennsylvania, and Delaware, allowing them to facilitate incentive-based programs that promote energy efficiency. They handle all administrative tasks related to these programs, ensuring a seamless experience for their clients. The company has serviced hundreds of buildings and thousands of HVAC systems, receiving endorsements from notable commercial real estate firms. Their approach not only focuses on immediate energy savings but also emphasizes the long-term benefits of maintaining HVAC systems, thereby extending their lifespan and improving overall performance.

20. Advanced Building Performance, Inc.

• Website: abpcx.com
• Ownership type: Private
• Headquarters: Potomac, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: advanced-building-performance

Advanced Building Performance, Inc. (ABP), founded in 2003 and based in Potomac, Maryland, is a consulting firm dedicated to optimizing building performance and energy efficiency. With a team of 18 professionals, ABP has successfully completed over 350 projects, including more than 195 LEED-certified initiatives. The firm offers a comprehensive range of services, including commissioning, high-performance consulting, and sustainable energy solutions tailored to the needs of building owners and developers. ABP is recognized as a Certified Commissioning Firm and holds memberships in prominent organizations such as the Building Commissioning Association and the U.S. Green Building Council. Their commitment to sustainability is evident in their approach to project management, where they integrate energy efficiency goals from the design phase through to warranty reviews. ABP's expertise in building systems and technologies positions them as a valuable player in the energy efficiency industry.

21. FESCO Energy

• Website: fescoenergy.com
• Ownership type: Venture Capital
• Headquarters: Frederick, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $11.9M, June 2023
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: fesco-energy

FESCO Energy, founded in 2018 and based in Frederick, Maryland, is an energy solutions provider that focuses on delivering tailored energy services to government and commercial clients. The company specializes in energy efficiency, renewable energy, and energy management solutions, aiming to help clients reduce costs and enhance sustainability. Their offerings include comprehensive energy assessments, design and build services, and innovative energy-as-a-service models. FESCO Energy has received significant funding, including a recent grant of $11.9 million in June 2023, which underscores their active role in the energy sector. The firm has demonstrated its capability to generate substantial energy savings for clients, with many reporting reductions in energy consumption and greenhouse gas emissions. FESCO Energy's approach not only addresses immediate energy needs but also contributes to long-term sustainability goals.

22. Baltimore Aircoil Company

• Website: baltimoreaircoil.com
• Ownership type: Corporate
• Headquarters: Jessup, Maryland, United States (USA)
• Employee distribution: United States (USA) 60%, Belgium 13%, Mexico 7%, Other 21%
• Latest funding: April 2009
• Founded year: 1938
• Headcount: 1001-5000
• LinkedIn: baltimore-aircoil-company

Baltimore Aircoil Company, Inc., founded in 1938 and based in Jessup, Maryland, is a manufacturing firm that specializes in cooling solutions for the HVAC and industrial sectors. The company produces a range of products, including closed circuit cooling towers, evaporative condensers, and hybrid cooling systems. These products are designed to provide efficient heat transfer, which is crucial for energy savings and operational reliability. Baltimore Aircoil's innovations focus on reducing energy consumption while maintaining high performance, making their solutions particularly relevant in today's energy-conscious market. The company operates globally, with a significant presence in the United States, Belgium, Mexico, China, and South Africa, serving a variety of industries that require effective cooling solutions.

Energy Efficiency Insights: Key Companies in Maryland

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