retro-commissioning

Above Green provides built environment consulting services for high performance buildings, including sustainability reporting, envelope consulting, building commissioning, testing/adjusting/balancing, air barrier testing, and facilities-related cybersecurity commissioning. The firm serves architects, engineers, and general contractors on municipal, federal, and private projects across all 50 states, helping them meet energy codes, regulations, and green certification requirements.

air barrier testingAir leakage testingbuilding commissioningcybersecurity commissioningduct air leakage testingENERGY STAR Benchmarkingenvelope consultinghydronic flow testing & balancingpump performance testingsustainability consultingTesting, Adjusting, Balancingthermography / thermal imaging

Abraxas Energy Consulting provides energy efficiency consulting, including commercial energy audits, retro-commissioning, measurement and verification, water auditing, LEED certification support, utility bill auditing, and ENERGY STAR services. It also develops and supports M&V software (Metrix and Option C) used by ESCOs and energy managers. The company is part of The Hillmann Family of Companies and is headquartered in Atascadero, California.

ASHRAE 62.1 testingbenchmarking in ENERGY STAR Portfolio Managerenergy auditsmeasurement and verificationsoftware developmenttraining and seminarsutility bill auditingwater auditing

Abysmal Corporation LLC provides engineering consulting services to commercial and institutional facilities worldwide, designing integrated cost-effective solutions for environmental protection, energy optimization, safety, and sustainability. Its expertise spans environmental, chemical, IT, HVAC system design, construction, and corrosion engineering, and it also offers federal contracting support.

air pollution controlchemical engineeringcloud infrastructureConstruction ManagementCorrosion Controlcustom software designcybersecurity advisoryEnergy Modeling and Auditingenterprise networkingenvironmental engineeringFacility Energy Auditsfire protection systemsHVAC system designIndustrial and Municipal Wastewater TreatmentLife Cycle Assessmentslife cycle cost analysismobile app developmentrenewable energysolid waste management

AMC Engineers is an engineering firm founded in 1981 by Boyd Morgenthaler and David Adams, specializing in mechanical, electrical, and plumbing (MEP) design for institutional and commercial projects. The firm provides sustainable MEP systems prioritizing occupant comfort, health, and safety, with services spanning mechanical and electrical design, commissioning, condition surveys, master planning, peer review, forensic engineering, and records management.

commissioningcondition surveyselectrical engineering designexpert witness testimonyFeasibility studiesForensic engineeringHVAC system designlighting designLow Voltage systems designmaster planningmechanical engineering designpeer reviewplumbing designRecords Management

Addison Energy Technologies, LLC (AET) is an independent, woman-owned, AABC and NEBB certified Air and Water Test and Balance (TAB), Building System and Retro Commissioning, and Third Party Inspection organization serving the Industrial and Commercial Marketplace. Headquartered in Toccoa, GA, the company began in 1982 treating and balancing water in refineries on the Texas Gulf Coast.

Air and Water Test and BalanceBuilding System Commissioningenvelope commissioningHVAC commissioningLEED Enhanced commissioningThird Party InspectionTotal Building Commissioning

Advanced Building Performance, Inc (ABP) is a small, Potomac, Maryland based Commissioning and Engineering Consulting firm founded in 2003 by Paul Tseng. It delivers commissioning, high performance building consulting, and sustainable energy services, and has grown into a Certified Commissioning Firm with more than 350 completed projects and 195+ LEED projects.

code compliance commissioningcommissioningenclosure commissioningengineering consultingfacilities conditions assessmentLEED commissioningMEP systems commissioningmonitoring-based commissioning

Agarabi Engineering is a woman-owned New York State licensed engineering firm established in 2014. It guides building owners, decision makers, and tenants to maximize energy efficiency, conserve natural resources, and design and implement clean energy projects, specializing in hands-on, customized assistance to operate buildings more efficiently and with improved cash flow.

Air-source heat pump & hot water heat pump designASHRAE Level 1, 2 and 3 Energy AuditsBoiler and burner replacementsBuilding Enclosure Commissioning (BECx)commissioningControl system specificationsDomestic Hot Water (DHW) system designEIFS DesignElectrification feasibilityIntegrated Physical Needs Assessments (IPNA)life cycle cost analysisLL84 Energy benchmarkingMEP ElectrificationMEP & Enclosure DesignNYCECC Commissioningoil to gas conversionsSteam and hot water heating retrofit designSteam-to-Hot water conversionsTechnical Reports and Feasibility Studies

ACIS provides integrated commercial HVAC, building automation, electrical, and plumbing services to facilities across Dallas, Fort Worth, and Houston, with partner locations in Austin and San Antonio. For over two decades the company has delivered preventive maintenance, emergency repairs, mechanical retrofits, and new construction through a single-source, accountable team. ACIS offers 24/7 emergency response across all service lines and serves industries including healthcare, education, data centers, government, retail, and warehousing.

backflow testingboiler and water heater installationbuilding automation systemschiller replacementelectrical maintenanceemergency responseHVAC service and maintenancemechanical retrofitspanel fabricationplumbing servicePreventive maintenanceproject managementRTU replacementthermal imagingVAV system upgradesVRF system installation

Air Mechanical Services, LLC provides 24-hour HVAC/R emergency service and maintenance for residential and commercial customers across NW-SW Missouri, NE-SE Kansas, NW Arkansas, and NE Oklahoma. They service all makes and models of equipment and offer preventive maintenance programs, new construction, refrigeration, and retro commissioning.

duct cleaningemergency serviceHVAC servicenew constructionPreventive maintenancerefrigeration

Airpath Group provides HVAC-focused engineering, performance testing, and design services for commercial and institutional buildings. Its NEBB-certified services include Commissioning, Retro-Commissioning, Testing, Adjusting and Balancing (TAB), and Sound and Vibration Testing. The firm also offers energy management, HVAC mechanical systems consulting, specialty field testing programs, and HVAC compliance solutions for Federal, State, Municipal, and Agency clients.

blower door testingbuilding pressurization testingcommissioningduct leakage testingenergy benchmarkingHVAC engineering & designmechanical vibration and acoustical analysissound and vibration testingtesting, adjusting, and balancing (TAB)

Allana Buick & Bers, Inc. (ABB) is an architectural engineering, construction management, and forensic consulting firm founded in Sunnyvale, California by Karim Allana in 1987. With over 39 years of experience, ABB specializes in making buildings perform better through expertise in exterior facades, curtain wall and glazing, roofing and waterproofing, HVAC and plumbing, energy efficiency, structural engineering, and construction management.

Building enclosure commissioningcondition assessmentConstruction Managementdesign-buildenergy use analysisengineering designexpert witness servicesforensic investigation and testingstructural engineering

Allison Mechanical, Inc. is a Southern California HVAC contractor, in business since 1993, providing installation, service, maintenance and retrofit construction for building mechanical systems. It specializes in air conditioning, refrigeration, heating, ventilation and energy management, and holds United Association S.T.A.R. and Green S.T.A.R. certifications. It serves commercial and industrial clients, hospitals and health care facilities, government facilities and data centers from Santa Barbara to San Diego.

24/7 emergency responsebuilding automation controlscompressor overhauldesign-buildenergy auditsenergy managementHVAC installationHVAC maintenanceHVAC servicepneumatic control systemsRetrofit Construction

Alpha Commissioning Engineers, Inc. is a consulting engineering and design firm specializing in commissioning, MEP engineering, energy modeling, and retro-commissioning. Founded in 2014 by Rogeh Alnajjar, the firm provides mechanical, electrical, plumbing, and fire protection engineering and consulting services nationwide for new and renovated commercial, government, institutional, and multi-family residential buildings.

BIMcommissioningenergy analysisEnergy ModelingLEED consultationMEP engineeringparametric component modelingrenewable energy designsystem performance testing

Altitude Building Automation is a family-owned, Colorado-based controls service provider specializing in building automation systems. Based in Wheat Ridge, CO, it designs, installs, and optimizes building automation systems for HVAC and energy management, and offers system forensics, legacy system migration, integration, commissioning, and maintenance. It is a Factory Authorized Reliable Controls Dealer and Lynxspring Technology Partner serving Wheat Ridge, Denver, and all of Colorado.

BACnet and Modbus protocolsbuilding automation system designcommissioningforensic analysisinstallationlegacy system migrationMaintenance Contractsremote supportSystem Integrationtraining

Antoncecchi Power LLC is a Service-Disabled Veteran-Owned Small Business headquartered in Fort Lauderdale, Florida, specializing in critical power and infrastructure services for commercial and federal sectors, including VA medical centers, DoD installations, and data centers. Its engineers have over 28 years of experience, and the firm offers 24/7/365 emergency service and maintenance.

battery testingcircuit breaker injection testingcommissioningemergency service and maintenanceinfrared thermographyUPS maintenance

Arcis FM LLC is an SDVOSB-certified company that provides integrated facility management, building automation systems (BAS), and technical staffing. It treats buildings as unified systems to identify inefficiencies and engineer consistent performance, combining smart infrastructure, professional consulting, and facility operations.

asset taggingAutomated FDDBuilding Automation (BAS)CMMS implementationcommissioningDigital Power Monitoringenergy auditsfacility managementjanitorial serviceslandscapingMaster Systems Integration (MSI)monitor-based commissioningOT cybersecuritytechnical training

Atigun Group, Inc. is a Georgia corporation established in 2004 by an Army veteran to meet a Federal need for asset management and technical equipment maintenance. It provides equipment management, logistics, supply chain and asset management, warehouse operations, facilities and grounds maintenance, and energy consulting services to government agencies and corporate clients worldwide. It is a Service Disabled Veteran Owned Small Business (SDVOSB) and HUBZone Certified.

Asset Managementbuilding automation and controlsCAD Designelectrical workenergy auditingenergy managementequipment maintenancefacilities and grounds maintenanceHVAC maintenanceinfrared thermographyjanitoriallandscapinglogisticspest controlplumbing and pipefittingRFID equipment trackingspecialty fabricationsupply chain managementwarehouse operations

Avantti Design Group brings engineering, architecture, design/build, construction management, project/program management, sustainable design and feasibility studies together under one roof, connecting design intent with constructability from concept to construction for renovations and new construction.

3D modelingarchitectural designBIM coordinationcivil engineeringcommissioningConstruction Managementdesign/buildelectrical engineeringEnergy ModelingFeasibility studiesinterior designLEED documentationMechanical EngineeringProject/program managementstructural engineering

Balancing Professionals is an independently owned and operated firm founded in 1992 that provides NEBB-Certified air testing and balancing. It tests, balances, and certifies HVAC equipment and systems in laboratories, educational institutes, hospitals, and other facilities requiring certification or annual inspections. The company has offices in Sioux Falls and Rapid City, South Dakota, and Fargo and Bismarck, North Dakota.

airflow measurementsair systems balancingcertification and annual inspectionsfume hood and cabinet testingHVAC testing and balancinghydronic systems balancing

Baumann Consulting provides sustainability and engineering consulting services for the entire lifecycle of buildings, with expertise in commercial, multi-family, institutional, educational, and industrial sectors. Founded in 2006 in the District of Columbia, it expanded to Chicago in 2012 and Frankfurt, Germany in 2013, operating as one firm across three offices with projects in 24 countries worldwide.

building commissioningBuilding enclosure commissioningBuilding Life Cycle Analysis (LCA)CFD simulationDaylight Analysisenergy auditenergy master planningEnergy ModelingEnvelope Thermal AnalysisFacade ConsultingLEED certification consultingmeasurement & verification

Bender Energy Group is an independent energy management services firm based in Cincinnati, Ohio, specializing in mid to large size, multi-site, industrial energy management applications for corporate and government clients. It provides investment grade facility energy audits led by Certified Energy Managers, energy projects development, emissions reporting, energy management training, measurement and verification, and commissioning/retro-commissioning services.

assessmentcommissioningConstruction Managementcontrol systems retrofitsdesignemissions reportingenergy dashboardsenergy management trainingenergy projects developmentfacility energy auditingmeasurement and verification

Bright Power offers integrated energy and water solutions for real estate owners and developers across the United States, improving energy efficiency in both new and existing buildings. Services include energy benchmarking, energy audits and feasibility studies, retro-commissioning, commissioning, energy procurement, Local Law compliance, decarbonization roadmaps, retrofit consulting, solar feasibility consulting, incentive procurement, high-performance design, energy modeling, and green building certifications.

commissioningconstruction quality assuranceenergy auditsenergy benchmarkingenergy capital planningEnergy Modelinggreen building certificationhigh performance design consultingincentive procurementretrofit consultingsolar feasibility consulting

Building Evolution Corporation is a consulting firm that helps clients increase value and quality throughout a building's lifespan. It provides holistic energy, performance, and durability consulting through all phases of the built environment, from conceptual design through construction, continuous commissioning, and operational optimization.

commissioning (HVAC & enclosure)continuous commissioningenergy and performance consultingfacility conditions assessmentoperations and maintenance guidancePassive House consulting

Building Performance Advisors (BPA) is a professional consulting firm focused on the performance of buildings. It is a Certified Disadvantaged Business Enterprise and a Woman-Owned Small Business founded by Pat Bailey and George Houk, RA, LEED AP. BPA offers building enclosure commissioning services (BECx), forensic analysis, investigation and diagnostic testing services for new and existing facilities worldwide.

Air leakage testingBuilding enclosure commissioningConstruction Managementdiagnostic testingFacility condition assessmentforensic analysisinfrared thermographymoisture surveyspeer reviewwater leakage testing