Copy-paste tonnage
Replacing nameplate capacity without zone diversity creates hot/cold floors.
Commercial · PM / RFP toolkit
Office Buildings: HVAC requirements for project managers
Office HVAC success means stable occupied zones, code outdoor air, predictable after-hours setbacks, and TI-friendly phasing — not just “enough tons.” Use this page to draft requirements before you issue an RFP in San Jose, Santa Clara, or the broader South Bay.
When this page applies
- Tenant improvement (TI) mechanical scopes
- RTU / VAV / heat-pump retrofits
- Controls upgrades and after-hours scheduling
- Emergency replacement of failed packaged units
Requirements checklist
Copy must-haves into your SOW as scored evaluation criteria. See also the universal HVAC requirements matrix.
Must-have
- Design loads by zone (occupied vs core)Include after-hours / weekend diversity
- Outdoor air / ventilation compliance pathDocument assumed occupancy
- Controls sequence & after-hours setbackWho owns BMS integration?
- TI phasing & occupied-building work rulesNoise, dust, shutdown windows
- Refrigerant type (R-454B / R-32 transition)Compatibility + recovery plan
Nice-to-have
- Filter standard & change frequencyWildfire / IAQ events
- Spare parts / lead-time assumptionsCall out long-lead RTUs
Suggested RFP / SOW outline
- 1Site survey & existing conditions report
- 2Load / ventilation basis of design
- 3Equipment schedule & controls sequence
- 4Install, startup, TAB coordination
- 5Commissioning & owner training
- 6O&M manuals and warranty registration
Full playbook: Commercial HVAC RFP guide.
Failure modes to design against
Orphaned controls
New equipment without after-hours logic spikes energy and complaints.
TI surprises
Missing work-hour rules cause change orders mid-project.
Vendor qualification criteria
- Active CA CSLB license (ours: #1056688)
- Commercial packaged / split experience with references
- Written safety / occupied-building plan
- Insurance certificates meeting GC minimums
- EPA Section 608 refrigerant certification on crew
Questions to ask bidders
- 1. What is your basis of design for OA ventilation?
- 2. How will after-hours setbacks be programmed and verified?
- 3. What is your plan for working in an occupied office?
- 4. Lead times for proposed equipment?
- 5. Who performs TAB and commissioning?
- 6. What exclusions are in your bid?
FAQs for project managers
Do you bid tenant improvement HVAC in South Bay offices?
Yes — within light-to-mid commercial scope. Contact us via /contact#placement=commercial_office_buildings or call (408) 642-8674.
Can you work after hours?
Often yes. We price quiet-hours and shutdown windows explicitly so bids stay comparable.
Office Buildings by city
Priority commercial × city pages with local climate and utility notes.
Related building types
Server Rooms & IT Closets
Server rooms fail when someone installs comfort AC on a sensible-dominant IT load. Your RFP must specify sensible capacity, redundancy, leak detection, monitoring handoff, and commissioning — before brands or tonnage.
Retail & Shopping Centers
Retail HVAC RFPs fail when landlord base-building scope and tenant improvement scope blur. Separate RTU responsibility, storefront comfort expectations, and after-hours access before you collect bids.
Medical & Outpatient Clinics
Clinic HVAC RFPs should define pressure relationships, filtration targets, and infection-control adjacent expectations without overclaiming hospital OR capabilities. Write what the space actually needs — then qualify vendors against that.
Related Learn · Evaluate · Act
Intent chaining so this page never dead-ends — learn first, evaluate next, then bid.
Perfection Guaranteed
Ready for a commercial bid?
Tell us about your RTUs, TI, or maintenance portfolio. We will survey before we price — South Bay and Central Valley light-to-mid commercial.
Perfection Guaranteed
Ready to request a commercial bid?
Share building type, address, and bid due date. Serving San Jose, Santa Clara, Sunnyvale, Cupertino, Los Gatos, Palo Alto, Hanford, and Clovis.