When evaluating an office, industrial, or medical property for purchase or repositioning, many investors focus on rent rolls, location, or zoning, but the physical systems behind the walls are just as important. The condition of the building’s infrastructure has a direct impact on valuation, operating costs, insurance premiums, energy consumption, tenant satisfaction, and even future leasing velocity.
From HVAC systems and elevators to plumbing, electrical, and fire protection, a thorough systems evaluation is a critical part of any real estate due diligence process. This comprehensive guide outlines how to assess each major building system to ensure you’re investing in a high-performing asset or negotiating with eyes wide open.
A building’s HVAC system plays a vital role in tenant comfort, energy efficiency, and long-term operating costs. In commercial real estate, especially in office or medical environments, an aging or inefficient HVAC system can be a dealbreaker.
System Age and Type: Identify whether the property uses split systems, rooftop units, chilled water systems, or packaged units. Then determine their age. Units nearing or beyond their typical 15–20 year lifespan may require imminent replacement.
Maintenance Records: Review all service documentation. A well-maintained HVAC system indicates good ownership and deferred maintenance awareness. Frequent breakdowns may signal deeper inefficiencies.
Energy Efficiency: Evaluate SEER ratings, energy consumption trends, and utility bills. Older systems are less likely to meet modern efficiency standards, which can increase costs and reduce sustainability appeal.
Regulatory Compliance: Confirm the system meets all local mechanical and environmental codes. Non-compliant systems may require retrofits to pass inspection or to receive occupancy permits.
Performance Testing: Test air distribution, filtration quality, and temperature stability across multiple zones. Poor airflow, uneven heating/cooling, or excessive noise are red flags.
Elevators often go unnoticed until they stop working. Reliable elevator systems are particularly important in multi-story office or medical properties, affecting not just convenience but ADA compliance and emergency protocols.
Age and Type: Determine whether the elevators are hydraulic, traction, or machine-room-less systems. Elevator life expectancy typically ranges from 20 to 30 years.
Inspection Records: Verify the most recent safety inspections and compliance with state or local elevator codes. Ask for any outstanding violations or modernization recommendations.
Operational Performance: Ride each elevator. Look for slow response times, jerky starts/stops, excessive noise, or non-functioning panels. This can signal mechanical wear or deferred repairs.
Downtime History: Frequent breakdowns hurt tenant satisfaction and leasing appeal. Ask for downtime logs and repair invoices.
Modernization Potential: Evaluate whether the system requires modernization to meet safety, energy, or aesthetics standards. Upgrades may include new controllers, touchless call buttons, destination dispatch, or improved cab finishes.
Electrical infrastructure directly affects a building’s ability to support modern tenants, technology upgrades, and future expansions. In industrial and medical settings especially, capacity shortfalls can hinder usability or require expensive retrofits.
System Capacity: Does the main service panel support current and future tenant loads? Many older buildings have limited capacity and outdated 60–amp or 100–amp panels that won’t accommodate modern usage.
Age and Condition: Original electrical systems (especially pre-1970s) may include obsolete or unsafe materials such as aluminum wiring or fuse-based panels.
Maintenance Records: Ask for past service logs, breaker trips, and emergency calls. Newer panels, upgraded transformers, and surge protection indicate responsible ownership.
Safety and Code Compliance: Ensure proper grounding, GFCI outlets, and current compliance with NEC (National Electrical Code). Also confirm the presence of arc fault protection and fire-rated conduits.
Power Quality and Backup Systems: Check for voltage consistency and the presence of UPS systems or backup generators—especially in mission-critical or data-sensitive environments.
Plumbing issues are among the most expensive and disruptive to repair—especially after purchase. They can lead to leaks, water damage, mold, and occupancy disruption.
Pipe Age and Material: Identify whether the system uses copper, galvanized steel, or PVC. Galvanized pipes typically fail after 30–40 years and may already be compromised.
Water Pressure and Flow: Inconsistent water pressure or flow fluctuations may indicate corroded pipes or pump issues. Test fixtures on different floors.
Leak History and Water Damage: Ask for any past insurance claims or documented water leaks. Use thermal imaging and moisture meters to detect hidden issues behind walls.
Water Quality Testing: In medical or food-related properties, consider testing for lead, sediment, and other contaminants.
Fixture Efficiency: Are toilets, faucets, and water heaters modern and water-efficient? Older fixtures can inflate operating expenses and signal neglect.
Life safety systems are not optional, and noncompliance can halt deals, trigger violations, or lead to insurance premium hikes. Fire safety is especially critical in Class A office, healthcare, or lab buildings.
Alarm and Detection Systems: Confirm the presence and operability of smoke detectors, pull stations, and annunciator panels. Check for battery backup and power redundancy.
Sprinkler Coverage: Evaluate system condition, coverage adequacy (especially in large open-plan areas or data rooms), and pipe corrosion or freezing risk.
Inspection Reports: Request the latest NFPA inspections and any violation notices. Systems must be tested regularly by certified professionals.
Egress and Signage: Confirm that emergency exits are well-lit, unobstructed, and appropriately marked. Non-compliance here is a top liability concern.
Fire Extinguishers and Suppression: Look for proper placement, expiration dates, and maintenance records of extinguishers or specialized suppression systems (e.g., in IT closets or kitchens).
BAS platforms are increasingly a differentiator in competitive office and medical markets. A modern BAS can improve energy savings, tenant comfort, and remote operational visibility.
Integration Capabilities: Does the BAS connect HVAC, lighting, access control, and energy monitoring? Legacy systems often lack unified dashboards or interoperability.
Remote Access and Analytics: Assess whether the system allows for remote monitoring, usage reports, and real-time adjustments. These features improve facility oversight and response time.
Maintenance Logs: Review BAS service records and software update history. Outdated firmware may pose cybersecurity risks or limit system functionality.
Upgrade Feasibility: Evaluate cost and ease of upgrading to modern BAS platforms with IoT sensors, occupancy-based controls, and predictive diagnostics.
In commercial real estate, what’s behind the walls matters just as much as location or lease terms. A comprehensive evaluation of HVAC, electrical, elevator, plumbing, fire safety, and building automation systems is essential to assessing both property performance and long-term investment risk.
By understanding the true condition, remaining useful life, and compliance status of these systems, investors can:
Accurately forecast CapEx and maintenance costs
Avoid unpleasant surprises post-closing
Mitigate tenant dissatisfaction or revenue loss
Uncover opportunities to add value through targeted upgrades
Before closing, work with licensed engineers, facility consultants, and CRE specialists to conduct a building systems assessment as part of your broader due diligence. Smart investors look beyond curb appeal; they inspect the operating heart of the building.
For more on building infrastructure, reach out to our team of commercial real estate agents and commercial property managers.
The office market has spent the better part of four years trying to answer the…
On this episode of The Real Finds Podcast, I sat down with Mike Herl, SIOR…
Rick Owens To Open Chicago Flagship At 932 W. Fulton Street, Chicago Global fashion designer…
Office Conversion At 105 West Adams St, Chicago A vintage Loop office building at 105…
The long-vacant former Solo Cup property at has officially moved one step closer to transformation.…