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About Us
The Tustin Group is a single-source integrated building services company delivering mechanical, energy, water, fire and life safety solutions that work together to elevate whole-building performance. Since 1992, our team has helped commercial, industrial and institutional facilities improve energy efficiency, reduce operating costs and enhance occupant safety and comfort, all while operating with core values of excellence, integrity and total customer satisfaction. As one of the top integrated building service providers in the Mid Atlantic region, The Tustin Group is the partner facility managers count on to optimize critical building systems and support long-term asset strategies.
Today, The Tustin Group’s capabilities are even stronger with DeLattre Corp. and MARC Service now part of the organization, expanding their commercial HVAC, mechanical and building automation expertise across Pennsylvania and surrounding markets. DeLattre Corp. brings deep experience in commercial and industrial HVAC, mechanical contracting and energy management solutions, while MARC Service adds specialized commercial HVAC planning, design, fabrication and installation capabilities. Together under The Tustin Group brand, customers gain access to a larger, more capable service team that understands complex facilities and regional code requirements.
Facility managers appreciate that
The Tustin Group backs its promises with responsive, relationship-driven service designed to earn trust from the very first visit. Our phone lines are always open, and 24/7 emergency service ensures you have a knowledgeable, local team ready whenever a mechanical, water, fire or building automation issue threatens operations. To connect with the area’s most trusted building systems experts and start improving the performance of your facility, reach out to us today for fast, professional support throughout the region.
Services
Mechanical Services
Keep your facilities running smoothly with comprehensive mechanical services that protect your HVAC and refrigeration investments across the Mid Atlantic region. Commercial facility managers face constant pressure to control costs, reduce downtime and maintain comfort for tenants and critical operations. The Tustin Group’s mechanical team designs, installs, maintains and repairs complex heating, cooling and refrigeration systems so you can prevent emergencies instead of reacting to them. With proactive maintenance programs, 24/7 response and upgrade strategies aligned to your capital plan, we help you stabilize operating budgets, extend equipment life and improve indoor comfort across multi-site portfolios.
Energy Solutions
Rising utility costs and aggressive sustainability goals are pushing commercial facilities to do more with less energy. The Tustin Group’s energy solutions team delivers data-driven strategies that turn your building systems into measurable performance assets, not just expenses. Through web-based energy management platforms, smart controls and engineered retrofits, we identify where your buildings are wasting energy and implement targeted improvements that cut consumption while enhancing comfort. For facility managers across Pennsylvania, New Jersey and the surrounding markets, this means lower utility bills, better ENERGY STAR scores and a clearer roadmap for meeting ESG and corporate sustainability objectives.
Water Solutions
Uncontrolled scale, corrosion and biological growth in cooling towers, boilers and closed-loop systems can quietly drive-up costs and risk for commercial and industrial properties. The Tustin Group’s water solutions team builds comprehensive water treatment programs that safeguard your assets while helping you meet evolving health and safety expectations. By combining expert sampling, analytics and customized treatment strategies, we help reduce legionella risk, protect heat transfer efficiency and prevent premature equipment failures. Facility managers gain cleaner, safer, more predictable water systems that support compliance, reduce unplanned outages and protect occupant health in mission-critical environments.
Fire Solutions
Life safety systems are only noticed when they fail - and that is not an option for commercial, institutional or industrial facilities. The Tustin Group’s fire solutions team helps facility managers stay ahead of code requirements and keep people, property and operations protected around the clock. From system design and installation to inspections, testing and ongoing maintenance, we provide a single source for fire and life safety support. Our integrated approach reduces the burden of juggling multiple vendors, minimizes deficiencies during inspections and gives you confidence that your fire protection systems will perform when it matters most.
Plumbing Services
A single plumbing failure can disrupt tenants, damage property and create costly downtime for commercial buildings. The Tustin Group’s plumbing services are built to keep domestic and process water systems reliable, safe and responsive to the everyday demands of office, healthcare, education and industrial environments. Our technicians handle everything from leak detection and repairs to fixture upgrades and code-compliant installations, coordinating closely with mechanical and water treatment teams. For facility managers, this integrated plumbing support means fewer emergencies, faster resolutions and greater confidence that restrooms, kitchens and critical process areas will stay up and running.
Building Automation Services
Disconnected building systems make it hard for facility managers to control costs, respond quickly and prove performance to leadership. The Tustin Group’s building automation services bring HVAC, energy, water and life safety systems together on a single, intelligent platform. With real-time monitoring, alarms, trending and remote access, your team can adjust setpoints, troubleshoot issues and optimize performance from any location. This unified automation strategy helps commercial facilities across the region reduce utility spend, improve occupant comfort and shift from reactive firefighting to proactive building management that supports long-term business goals.
Why Choose Us?
Commitment to Safety & Quality
We build every project and service visit around a culture of safety, code compliance and craftsmanship, so your critical building systems perform reliably when you need them most. Our teams follow proven processes and rigorous standards to protect your people, property and operations.
Year-Round Dependable Service
From peak cooling season to the coldest winter night, we provide consistent, reliable support so your facility never misses a beat. With planned maintenance and rapid response, you can count on us to keep your systems running all year long.
Improved Efficiency
We look beyond quick fixes to identify opportunities that lower energy use, extend equipment life and reduce operating costs. By optimizing your mechanical, water, fire and automation systems together, we turn your building into a more efficient, better-performing asset.
Certified & Experienced Technicians
Your facility is serviced by highly trained, certified professionals who understand complex commercial environments. Their experience across multiple building systems means faster diagnostics, better solutions and fewer return visits.
Unbeatable Customer Care
We treat every facility as if it were our own, responding quickly, communicating clearly and following through on every promise. From the first service call, our goal is to earn your trust and become your long-term building services partner.
Our Coverage Area
The Tustin Group provides local coverage for commercial and industrial facilities throughout Western Pennsylvania, including greater Pittsburgh, Johnstown and the surrounding communities. This focused footprint means faster response times, technicians who understand local code requirements and climate conditions, and service teams already familiar with the types of buildings in your market.
Beyond the Pittsburgh–Johnstown corridor, The Tustin Group extends its reach across Pennsylvania, New Jersey, Delaware, Maryland and surrounding areas. This reach allows us to support multi-site portfolios and organizations with facilities spread across multiple states, delivering consistent mechanical, energy, water, fire, plumbing and building automation services under one integrated provider.
We serve a full range of commercial, institutional and industrial customers, including office buildings, healthcare and medical facilities, schools and universities, manufacturing and industrial plants, distribution centers, data centers, retail and mixed-use properties, and municipal and government buildings. Whether you oversee a single critical facility or a complex, multi-location portfolio, our team is equipped to keep your building systems reliable, efficient and aligned with your operational and budget goals.
Our Testimonials
Read What Our Customers are Saying
Tustin Fire Solutions provides exceptional customer support when it comes to working with their clients. Their technicians go above and beyond to accommodate our buildings specific needs. From communication to technical support, we have always received an exceptional service experience. When faced with a recent challenge, their technician Shaun was so helpful and courteous while working with us to find a resolution! We would highly recommend The Tustin Group for all your future facility needs.
Office Complex - Office Administrator
When working on a new installation for my facility, Tustin Mechanical Services and Tustin Energy Solutions provided me with the care and attention I expected in my 30 years of industry and facility experience. Their service quality consistently meets my expectations and their responsiveness is what makes them a great service partner.
Facility Manager - Church and Educational Facility
The Tustin Group Is a Rock Star Service Provider. Their attention to detail, communication, and service capabilities are outstanding. They make scheduling my service easy and painless. I would highly recommend their services!
Facility Director - Athletic Club
Tustin Fire Solutions provides exceptional customer support when it comes to working with their clients. Their technicians go above and beyond to accommodate our buildings specific needs. From communication to technical support, we have always received an exceptional service experience. When faced with a recent challenge, their technician Shaun was so helpful and courteous while working with us to find a resolution! We would highly recommend The Tustin Group for all your future facility needs.
Office Complex - Office Administrator
Connect With Us
Ready to optimize your facility’s performance and cut operating costs? Reach out to The Tustin Group today for a no-obligation consultation or more details on how our integrated building services can support your Western Pennsylvania locations and beyond.