Interface Engineering, Inc.
UnclaimedInterface Engineering is a 100% employee-owned, multidisciplinary mechanical and electrical engineering firm delivering high-performance, sustainable buildings.
Overview
Interface Engineering is a multidisciplinary mechanical and electrical engineering consultancy known for visionary sustainable design, building science tools, and commissioning services. The firm serves clients through the entire design, construction, and operations process, delivering creative engineering solutions for high-performance buildings. Since its founding in 1969, Interface Engineering, Inc. has built a reputation for technical problem solving and engineering innovation and advocates smart, efficient, and sustainable approaches for future generations. The organization emphasizes mentorship, continuing education, and the use of advanced technologies to create optimal environments for life.
Mission statement
Our mission is simple: to help build optimal environments for life.
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What we offer
Mechanical Engineering
Delivering high-performance, sustainable mechanical engineering solutions to enhance building efficiency.
Pricing not published
www.interfaceengineering.com/services/mechanical-engineeringElectrical Engineering
Provides innovative electrical engineering solutions for sustainable design.
Pricing not published
www.interfaceengineering.com/services/electrical-engineeringPlumbing Design
Deliver integrated plumbing solutions that optimize water conservation and efficiency.
Pricing not published
www.interfaceengineering.com/services/plumbingBuilding Technologies
Enhance building performance through innovative technology integration.
Pricing not published
www.interfaceengineering.com/services/building-technologiesCommissioning Services
Deliver reliable, efficient building operations and energy savings.
Pricing not published
www.interfaceengineering.com/services/commissioningEnergy Consulting
Optimizes building design for energy efficiency, cost savings, and sustainability.
Pricing not published
www.interfaceengineering.com/services/energy-consultingFire/Life Safety
Ensuring the safety of buildings and occupants through comprehensive fire and life safety solutions.
Pricing not published
www.interfaceengineering.com/services/fire-life-safetyLighting Design
Provides imaginative and sustainable lighting solutions for various architectural contexts.
Pricing not published
www.interfaceengineering.com/services/lighting-designMarket segments
Market size by segment
Growth potential (CAGR)
Commissioning and performance optimization
Services to verify, test, and optimize system performance across design, retro-commissioning, and diagnostic health assessments to reduce failures and improve efficiency.
Products: Commissioning Services, Building Technologies, Mechanical Engineering
Energy modeling and sustainability consulting
Early-stage energy analysis, lifecycle cost assessment, and renewables integration to drive low‑energy design, compliance, and incentive capture.
Products: Energy Consulting, Mechanical Engineering, Electrical Engineering, Plumbing Design
Electrical and power systems services
Design, installation and maintenance of electrical systems, switchgear, generators, lighting and VFDs for commercial and industrial facilities.
Products: Electrical Engineering, Building Technologies, Commissioning Services
Fire protection design and compliance
Design, installation, testing and maintenance of fire protection and sprinkler systems, including backflow protection and regulatory testing to meet local and national safety codes.
Products: Fire/Life Safety, Commissioning Services, Building Technologies
Lighting design and photometric analysis
Tools for creating lighting layouts, performing photometric calculations and compliance checks, and generating automated reports for lighting professionals and architects.
Products: Lighting Design, Building Technologies, Energy Consulting, Mechanical Engineering
More information about our offering
Mechanical Engineering
Mechanical engineering services for high-performance, energy-efficient buildings. Interface Engineering designs and optimizes building systems, applying strategies such as renewable energy integration to balance performance with reduced power use.
Pricing not published
- Integrate Renewable Energy SolutionsOur team implements renewable energy strategies to enhance system efficiency, reduce environmental impact, and ensure cost-effectiveness in building designs.
- Plan Financially Sustainable SolutionsOur analyses help in predicting long-term energy costs and savings, facilitating informed decision-making for building projects.
- Optimize Building EfficiencyWe implement advanced control systems that enhance building operation, providing real-time monitoring and adjustment capabilities for optimal performance.
- Maximize Energy EfficiencyBy strategically designing thermal mass systems, we enhance energy efficiency and interior comfort in buildings.
Electrical Engineering
Electrical engineering services delivering efficient, integrated electrical systems and support for sustainable building design.
Pricing not published
- Design Efficient Electrical SystemsOur engineers specialize in creating seamless electrical systems that prioritize efficiency and sustainability, ensuring optimal performance and reduced operational costs.
- Tailor Power Distribution SystemsFocuses on creating custom solutions for effective power distribution, ensuring reliable energy delivery across facilities.
- Optimize Electrical System PerformanceEnsures that all components are installed correctly and perform as intended, maximizing system efficiency and sustainability.
- Monitor Power QualityImplement continuous monitoring solutions to detect and mitigate potential power quality issues, enhancing system reliability and performance.
- Design Renewable Energy SystemsExpertise in integrating solar technologies into electrical designs, promoting sustainable energy practices and reducing utility costs.
Plumbing Design
Plumbing design capabilities covering simple to sophisticated projects. We design efficient, integrated plumbing systems with advanced solutions for water conservation, reclamation and treatment, and we have expertise in specialized plumbing for process, manufacturing, and medical facilities.
Pricing not published
- Capture Rainwater SmartlyDevelop innovative rainwater harvesting solutions that reduce reliance on municipal water supply and enhance sustainability in building design.
- Ensure Efficient DistributionDesign robust water and waste distribution systems to ensure efficiency, reliability, and compliance with all regulations.
- Conserve Water EfficientlyImplement advanced greywater systems that minimize water usage and maximize sustainability for various projects.
- Recycle Water SystemsImplement advanced treatment systems that reclaim and recycle water, significantly reducing overall consumption and environmental impact.
- Specialized Plumbing DesignProvide unique plumbing solutions tailored for process, manufacturing, and medical facilities, ensuring operational efficiency.
- Utilize Solar EnergyIncorporate solar thermal systems to efficiently harness solar energy for heating applications, promoting energy conservation.
Building Technologies
Building Technologies focuses on integrating technology systems and improving building performance through commissioning, with a track record of better operation and air quality.
Pricing not published
- Optimize Building EfficiencyImplementing advanced building automation systems to manage and control HVAC, lighting, and other systems for improved energy efficiency.
- Enhance Safety and SecurityIntegrating high-quality electronic security systems to protect building assets and occupants.
- Improve Emergency ResponseInstalling reliable emergency communication systems to enhance response times and safety within buildings.
- Facilitate Engaging PresentationsDesigned to create seamless audiovisual experiences that enhance communication and engagement in various environments.
- Support Reliable ConnectivityDesigning robust telecommunications infrastructure to ensure reliable communication and data transfer.
- Enable Seamless ConnectivityDesigning and implementing efficient wireless networks for flexible and mobile user connectivity.
- Create Effective CommunicationProviding custom paging and intercom solutions for seamless communication in various settings.
Commissioning Services
Commissioning services ensure building systems are installed and functioning properly, delivering energy savings and other benefits. Interface Engineering brings multi-disciplinary expertise to commissioning, to improve system operation and indoor air quality.
Pricing not published
- Facilitate LEED CertificationAssist building owners in meeting sustainability goals by incorporating LEED standards into the commissioning process, enhancing building performance and resource efficiency.
- Identify Energy Savings OpportunitiesImplement actionable strategies that help clients reduce energy consumption and operational costs through detailed assessments.
- Optimize Building PerformanceEnhance functionality and efficiency for both new and existing structures, ensuring all systems are operating as intended.
- Consistent Quality Support AnywhereClients can expect reliable and high-quality commissioning services regardless of where their projects are located.
- Maximize System EfficiencyAchieve optimal performance in HVAC and other systems, leading to improved comfort and reduced energy costs.
- Empower Staff for Effective ManagementEquip facility managers with the knowledge and skills necessary for effective building maintenance, promoting long-term efficiency.
- Maintain Long-term Operational ExcellenceRegular assessments and adjustments help sustain high performance and energy efficiency throughout the lifespan of the building.
- Ensure Life Safety ComplianceConfirm that smoke control systems function correctly to protect occupants during emergencies, adhering to code requirements.
Energy Consulting
Energy Consulting identifies energy and cost-saving strategies early in design using advanced modeling and economic analysis. It employs tools like eQuest, DOE-2, IES, TRACE 700, EnergyPro, and conducts energy audits and daylighting analyses to inform design decisions.
Pricing not published
- Utilizes Advanced Simulation TechniquesAdvanced modeling tools predict building energy performance, allowing for informed design choices that enhance energy efficiency.
- Identifies Financial IncentivesComprehensive energy audits reveal avenues for savings and available incentives, enhancing the project's financial viability.
- Enhances Decision-Making with VisualizationsBy involving energy consulting from the start, clients can visualize and understand the impact of design decisions on sustainability.
- Facilitates Comprehensive Data GatheringAdvanced data collection tools ensure precise monitoring and analysis of building performance metrics, optimizing energy use.
Fire/Life Safety
Fire/Life Safety services design, review, and implementation to protect buildings and occupants, covering fire detection, alarm and suppression, code compliance, testing, and special suppression systems.
Pricing not published
- Design Comprehensive SystemsExpertly design fire safety systems to detect, alarm, and suppress fires, ensuring safety and compliance.
- Ensure Code ComplianceConduct detailed reviews to ensure all safety plans meet local codes and regulations.
- Review Contractor DesignsThoroughly review contractor plans to validate design effectiveness and compliance with safety standards.
- Program and Commission SystemsImplement and optimize systems to ensure they operate as intended for maximum safety.
- Conduct Confidence TestingPerform rigorous testing to ensure fire systems function effectively during emergencies.
- Implement Specialized SystemsDesign and install advanced suppression systems tailored to specific risks and environments.
Lighting Design
Lighting Design extends beyond luminaire placement to give form; the team combines creative design with advanced technologies, sustainability, and daylighting to express clients’ architectural vision.
Pricing not published
- Optimizes Lighting For BusinessesOur commercial solutions enhance the functionality, aesthetics, and energy efficiency of business environments.
- Showcases Artistic FeaturesSpecialized designs enhance the visual impact of artworks and architectural features, creating engaging spaces.
- Promotes Wellbeing In HealthcareOur healthcare lighting solutions improve patient comfort and operational efficiency while meeting stringent regulatory standards.
- Enhances Comfort In Aged CareOur aged care lighting designs promote a comforting atmosphere that assists residents with vision and orientation.
- Enhances Learning EnvironmentsDesigned to support various educational functions, ensuring optimal visibility and engagement.
- Enhances Outdoor SpacesOur designs ensure safety and aesthetic appeal in public and private outdoor areas.
- Provides Strategic Lighting SolutionsLong-term plans ensure cohesive and effective lighting strategies that meet evolving project goals.
- Delivers Tailored Lighting SolutionsWe create unique luminaires that meet specific project requirements while aligning with the overall design vision.
- Improves Light ManagementOur control systems enhance energy efficiency and customization, adapting lighting to specific needs.
- Transforms Living SpacesOur residential solutions enhance the aesthetic and functional aspects of homes, creating inviting environments.
- Visualizes Lighting EffectsWe use advanced modeling techniques to visualize design concepts and expected outcomes before implementation.
- Updates Existing Lighting SystemsWe improve older installations with modern solutions that enhance performance and efficiency.
Sources
Methodology and sourcing behind the figures and links shown above.
Commissioning and performance optimization
No explicit size for commissioning & performance-optimization services was present in the provided results. I estimated a global market of roughly $3.5B with ~6.5% CAGR by analogy to related ‘optimization’ services markets in the search results (which show market values and mid-to-high single- to double-digit CAGRs) and by applying domain knowledge that commissioning/retro‑commissioning is a narrower professional services niche within building/industrial efficiency and facility services. Rationale: commissioning is a specialized subset of broader optimization and retrofit markets (smaller than platform/software optimization markets cited), yet benefits from steady demand from building codes, energy-efficiency retrofits, ESCO activity, and asset‑performance monitoring — supporting a moderate, sustained CAGR rather than the faster growth seen in software/platform segments.
- The global industry was valued at US$ 12.8 Bn in 2021; estimated to grow at a CAGR of 7.8% from 2022 to 2031.
- The experience optimization platforms market is projected to grow from USD 17.7 billion in 2025 to USD 85.3 billion by 2035, at a CAGR of 17.0%.
- Market Size (2025) USD 2.53 Billion; CAGR (2025-2032) 12.55%.
Energy modeling and sustainability consulting
None of the provided search results contained explicit market‑size or CAGR data for this segment. Using internal market‑hierarchy knowledge: energy modeling and sustainability consulting is a specialized subset of the broader sustainability/energy consulting and building‑performance services markets. Global sustainability and energy consulting services are commonly estimated in the low tens of billions USD; the early‑stage energy analysis/lifecycle cost assessment/renewables‑integration niche typically represents a single‑digit‑billion USD slice. I estimate the segment at about $4.0B globally, driven by demand from building owners, developers, and regulators for decarbonization, code compliance, incentive capture, and renewables integration. Growth potential (CAGR) is ~10% reflecting accelerating regulation, corporate ESG commitments, electrification and retrofit activity, and increasing adoption of energy‑modeling tools and services.
Electrical and power systems services
No explicit market-size or CAGR data was present in the provided search results. Using internal industry knowledge: the broader U.S. electrical contracting and services sector is on the order of many tens to low hundreds of billions USD annually. Focusing on commercial and industrial (design, installation, maintenance of switchgear, generators, lighting, VFDs, etc.), a reasonable estimate is roughly $100B (U.S. annual market). Growth potential is driven by building electrification, energy-efficiency retrofits, VFD and motor upgrades, grid-modernization and standby/backup power demand; these support a mid-single-digit CAGR. The estimate reflects a conservative midpoint of industry revenue splits (residential vs. commercial/industrial) and expected demand from decarbonization, automation, and replacement cycles.
Fire protection design and compliance
Primary sources show the global fire protection systems market at about USD 85B (2025) with a 6.8% CAGR; sprinkler systems including design & installation account for a multi‑billion submarket (~USD 15.4B). Using these published totals and the IFSA/region data as benchmarks, I estimate design, installation, testing and compliance (services-focused portion across fire protection and sprinkler systems) represents roughly 20–30% of the overall market. Applying a midpoint service share (~25%) to the USD 85B market yields an estimated segment size of ~USD 21.3B in 2025. The growth potential is aligned with the published global CAGR (6.8%), reflecting regulatory-driven recurring service demand and retrofit activity.
- Global fire protection system market projected from USD 85.06 billion (2025) to USD 118.14 billion (2030) at a CAGR of 6.8%.
- The Global Fire Protection System Market worth USD 85 billion in 2025 is growing at a CAGR of 6.80% to reach USD 126 billion by 2031.
- Broader Fire Sprinkler Systems (incl. design & installation) ~$15.4B (2026) ~$26.1B (2036) ~5.4%.
- North America market was valued at USD 27.87 billion in 2022; CAGR 3.6% (2023–2030).
- UK market valued at USD 6,287.8 million in 2025, projected to USD 8,512.2 million by 2030 at a CAGR of 6.2%.
Lighting design and photometric analysis
Search results provided no explicit data for lighting-design or photometric-analysis software. Estimate derived from internal industry knowledge: lighting-design/photometric tools are a small niche within the much larger global lighting and AEC software markets. Factors considered: number of lighting professionals and consultancies, prevalence of a few dominant/low-cost tools (DIALux, Relux, AGi32, Photopia, plugins), recurring license and service revenues, and growing drivers (LED retrofit/specification, smart lighting controls, BIM integration, tighter energy/regulatory compliance). Combining typical per‑user or per‑firm software spend, enterprise purchases, and services/support leads to an estimated current annual market ~USD 0.3–0.5B (rounded to 0.4B). Adoption and integration trends imply moderate growth; estimated CAGR ~6–9% (midpoint 7.5%). No explicit market-size sources were available in the supplied search results.
- Interface Engineering, Inc.
- Mechanical Engineering
- Electrical Engineering
- Plumbing Design
- Building Technologies
- Commissioning Services
- Energy Consulting
- Fire/Life Safety
- Lighting Design
- The global industry was valued at US$ 12.8 Bn in 2021; estimated to grow at a CAGR of 7.8% from 2022 to 2031.
- The experience optimization platforms market is projected to grow from USD 17.7 billion in 2025 to USD 85.3 billion by 2035, at a CAGR of 17.0%.
- Market Size (2025) USD 2.53 Billion; CAGR (2025-2032) 12.55%.
- Global fire protection system market projected from USD 85.06 billion (2025) to USD 118.14 billion (2030) at a CAGR of 6.8%.
- The Global Fire Protection System Market worth USD 85 billion in 2025 is growing at a CAGR of 6.80% to reach USD 126 billion by 2031.
- Broader Fire Sprinkler Systems (incl. design & installation) ~$15.4B (2026) ~$26.1B (2036) ~5.4%.
- North America market was valued at USD 27.87 billion in 2022; CAGR 3.6% (2023–2030).
- UK market valued at USD 6,287.8 million in 2025, projected to USD 8,512.2 million by 2030 at a CAGR of 6.2%.
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