The Property Manager’s Partner
Tenant Coordination
We respect your tenants. We post advance notices, maintain clean jobsites, and communicate clearly throughout every repair or upgrade to minimize disruption. Tenants get a heads-up; you don’t get complaints.
- Advance notice posting before any water shutoff
- Clean jobsites with minimal hallway disruption
- Direct communication with building contacts, not tenants
- Scheduling around low-usage windows where possible
We coordinate — you stay focused on management
Fast Response
When a 20-unit building loses hot water, it’s a building-wide emergency. We prioritize multifamily calls and typically have a technician on-site the same day to diagnose. If a part needs to be ordered, we set up temporary solutions to restore partial service while we wait.
- Same-day diagnosis on building-down calls
- Temporary solutions while parts are sourced
- Direct line to our commercial team — no queue
- 24/7 emergency availability for critical failures
Building down = our top priority
Compliance & Safety
Multifamily properties face stricter compliance requirements than single-family homes. We handle all permits, Title 24 energy compliance, annual boiler safety inspections, seismic valves, and leak detection device installation — so you stay legal with every insurer and city inspector.
- Title 24 energy compliance on all new systems
- Annual boiler safety inspections and documentation
- Seismic shutoff valve installation and testing
- Leak detection devices for insurer requirements
All permits and compliance handled
Why HOAs Choose Hydroflow
- Modulating condensing boilers cut gas use 25-35% vs atmospheric
- Cascaded systems eliminate single-point failure risk
- Building automation integration for remote monitoring
- Payback period typically 3-5 years on energy savings alone
- Tenants notice immediately — consistent temps, no cold mornings
We recently replaced a 1980s atmospheric boiler for a 12-unit building in Pacific Heights. By installing a modern modulating condensing boiler system, we reduced their gas bill by over 30% in the first year. The project paid for itself in energy savings within 4 years, while providing more consistent heat and hot water to tenants.
Older atmospheric boilers run at a fixed output regardless of demand — they’re either fully on or off. Modern modulating condensing boilers adjust their output from 10% to 100% based on real-time demand. The result is dramatically lower gas consumption and more consistent temperatures throughout the building.
Commercial Services
Commercial Boiler Systems
We specialize in high-efficiency commercial boiler installations for apartment buildings. Whether you need a large central boiler or a cascaded system of smaller modulating units, we design for redundancy — so losing one unit never means losing all capacity. Specialists in Raypak, Lochinvar, and Laars commercial systems.
- Raypak, Lochinvar & Laars systems
- Redundant cascaded designs
- Annual safety inspections and documentation
Hot Water Recirculation
Tenants on upper floors complaining about long waits for hot water? We troubleshoot and repair commercial recirculation pumps and balance valves to deliver instant hot water at every fixture. Common culprit: an unbalanced system or a failed circulator pump that nobody noticed.
- Pump replacement and upgrades
- System balancing across all floors
- Timer and aquastat controls
Tankless Rack Systems
Replacing a massive central storage tank? A rack of commercial tankless units offers built-in redundancy — if one needs service, the others keep running — plus significant energy savings over ageing storage tanks. We install Navien and Rinnai commercial rack systems sized to your building’s peak demand.
- Navien & Rinnai commercial rack systems
- Infinite capacity — no recovery wait
- Space-saving wall-mount design
Multifamily Questions
How quickly can you respond to a ‘no hot water’ call for a multifamily building?
We treat building-down situations as our highest priority. We typically have a technician on-site the same day to diagnose the issue. If a part needs to be ordered, we set up temporary solutions to restore at least partial hot water while we wait. We work with all major commercial boiler and water heater brands so parts are usually sourced quickly.
Do you offer maintenance contracts for HOAs and apartment buildings?
Yes. We offer annual maintenance agreements for HOAs and apartment buildings covering boiler inspections, pump lubrication, circulation system checks, and safety audits. Preventive maintenance is far cheaper than emergency repairs — and most insurer compliance requirements include annual inspection documentation that we provide.
Can you work with our property management software?
Absolutely. We’re accustomed to working with third-party management platforms for billing, work orders, and insurance compliance — VendorCafe, AppFolio, Buildium, and others. We can also provide insurance certificates, license documentation, and inspection reports in whatever format your system requires.
What about leak detection devices for multifamily buildings?
Many insurers now require smart water shutoff devices on multifamily properties — not just single-family homes. Commercial-grade whole-building leak detection monitors the main line and can shut off water automatically if it detects a burst pipe or unusual flow. We install these as standalone jobs or as part of a larger building upgrade.
Upgrade Your Building’s Plumbing
Reliable hot water keeps tenants happy and reviews positive. Contact us for a free assessment of your central heating or water heating system — no obligation, honest recommendation.
Request a ProposalLicensed & Insured • San Francisco specialists • HOA & Property Management experience