HVAC↗HVAC for Multifamily
Compare VTAC, VRF, and split AHU approaches for multifamily developments.
● BASE4 RESOURCE LIBRARY
Building decisions, made visual.
Practical guides for developers, owners, and contractors navigating HVAC, modular construction, building systems, and project delivery.
● KNOW BEFORE YOU BUILD
Complex systems. Clear takeaways.
These visual resources turn technical design choices into direct, useful information. Review the options, understand the tradeoffs, and bring better questions to your next project meeting.
Compare OptionsSee key differences at a glance.
Reduce RiskSpot coordination needs earlier.
Move FasterBuild alignment before design advances.
● VISUAL INSIGHTS
Explore the library
Select any resource to get the free PDF.
HVAC↗
HVAC↗HVAC Systems for Hotel Projects
Understand the visible and operational differences between PTAC, VTAC, and VRF.
HVAC↗Hotel HVAC Options
A visual comparison of common guestroom heating and cooling systems.
Modular↗Modular Construction Logistics
See how module delivery, staging, crane access, and sequencing affect the site.
Modular↗How Bathroom Pods Equal Savings
Explore how repeatable offsite bathroom assemblies can support cost and schedule goals.
Plumbing↗Tankless Water Heater Systems
Review system configurations and early considerations for your next project.
Modular↗Modular Construction FAQ, Part 1
Answers to common early questions about modular project planning and delivery.
Modular↗Modular Construction FAQ, Part 2
Continue the guide with more questions on coordination, setting, and execution.
Modular↗Bathroom Pods: Faster, Cheaper, Smarter
A direct look at the value of repeatable, factory-built bathroom assemblies.
Building Systems↗Trusses vs. I-Joists
Compare floor framing options across span, coordination, weight, and installation.
Building Systems↗Panelized CFS Framing
See how panelized cold-formed steel speeds framing while holding tight tolerances.
HVAC↗Hotel HVAC Systems
A closer look at how PTAC, VTAC, and VRF shape guestroom comfort and operations.
Building Systems↗Understanding Hotel Noise
How assemblies, systems, and layout choices affect acoustic comfort in hotels.
Modular↗Modular Construction Tips
Practical tips to keep a modular project coordinated, on budget, and on schedule.
Plumbing↗Tankless Water Heater Guide
An updated look at tankless configurations, sizing, and design considerations.
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● HAVE A PROJECT QUESTION?
Turn early design decisions into better project outcomes.
Bring BASE4 into the conversation before systems, scope, and coordination become expensive to change.