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Refrigerant Transition Cost Calculator
Refrigerant regulations mandate phaseout of high-GWP refrigerants.
Total transition cost
$808,000
Retrofit cost
$280,000
Replacement cost
$528,000
How the math works
Retrofit count × retrofit cost + replacement count × replacement cost.
80 × 70% = 56 retrofit × $5k = $280k. 24 replacement × $22k = $528k. Total $808k.
How to Use
- Enter # HVAC units.
- Enter retrofit cost per unit.
- Enter replacement cost per unit.
- Enter % requiring replacement.
- Read total transition cost.
Frequently Asked Questions
Regulation timeline?
AIM Act: phase down HFCs 85% by 2036. 2025 regulations for commercial HVAC: 750 GWP limit for new stationary systems. 2032: 150 GWP limit. Many existing R-410A, R-134a, R-22 systems need retrofit or replacement.
Retrofit vs replacement?
Retrofit: $2-8k per unit (convert to drop-in low-GWP). Replacement: $15-40k per unit (new equipment). Retrofit viable for 5-10 yr old units; older units better replaced. Evaluate remaining life.
Cost planning?
Portfolio assessment identifies units by refrigerant type and age. Budget 3-5 year transition plan. Typical multi-family portfolio: $200-800 per unit. Office/retail: larger per-property cost. Plan before regulatory deadlines.
How often should I rerun this?
Rerun this calculator whenever inputs change materially — new rent roll data, rate moves, loan balance updates, or quarterly operating data. For active deals, monthly refresh is typical. For stabilized assets under monitoring, quarterly is fine. Treat the output as a decision tool, not a one-time answer — market conditions evolve and so should your analysis.
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