Real Data from Real Properties
Nothing speaks louder than results. Here are five detailed case studies from our multifamily toilet replacement projects, showing actual before-and-after water consumption data, cost savings, and ROI timelines.
Case Study 1: 200-Unit Garden-Style Complex — Atlanta, GA
Property Profile: Built 1985, original 3.5 GPF toilets, 200 units, average occupancy 94%
- Pre-retrofit water bill: $96,000/year
- Post-retrofit water bill: $55,680/year
- Annual savings: $40,320 (42% reduction)
- Project cost: $56,000
- Payback period: 16.7 months
- Rebates secured: $12,000
- Net project cost: $44,000
- Adjusted payback: 13.1 months
Case Study 2: 1,500-Unit Portfolio — Dallas, TX
Property Profile: 8 properties built 1978-1992, mixed 3.5-5.0 GPF toilets
- Pre-retrofit water bill: $720,000/year (portfolio)
- Post-retrofit water bill: $446,400/year
- Annual savings: $273,600 (38% reduction)
- Project cost: $420,000
- Payback period: 18.4 months
- Rebates secured: $85,000
- NOI impact at 5% cap: $5,472,000 portfolio value increase
Case Study 3: 300-Unit Senior Living — Phoenix, AZ
Property Profile: Built 1990, 3.5 GPF toilets, 300 units, 97% occupancy
- Pre-retrofit water bill: $168,000/year
- Post-retrofit water bill: $89,040/year
- Annual savings: $78,960 (47% reduction)
- Project cost: $84,000
- Payback period: 12.8 months
- Installation time: 4 days (zero resident complaints)
Case Study 4: 450-Unit Luxury Complex — Miami, FL
Property Profile: Built 1995, 1.6 GPF toilets, 450 units
- Pre-retrofit water bill: $324,000/year
- Post-retrofit water bill: $181,440/year
- Annual savings: $142,560 (44% reduction)
- Project cost: $135,000
- Payback period: 11.4 months
- 5-year cumulative savings: $712,800
Case Study 5: 2,000-Unit Portfolio — New York City
Property Profile: 12 buildings built 1960-1985, 3.5-5.0 GPF toilets
- Pre-retrofit water bill: $2,400,000/year
- Post-retrofit water bill: $1,560,000/year
- Annual savings: $840,000 (35% reduction)
- Project cost: $640,000
- Payback period: 9.1 months
- NOI impact at 4% cap: $21,000,000 portfolio value increase
Key Takeaways
Across all five case studies, the pattern is consistent: 30-47% water bill reductions, payback periods under 18 months, and massive NOI and property value improvements. The data speaks for itself — multifamily toilet replacement is the highest-ROI capital improvement available to property managers today.