Solar Funeral Home Calculator
Calculate solar ROI for your funeral home or mortuary — enter facility size, morgue refrigeration unit count, crematorium presence (natural gas — cannot be solar powered), viewing rooms, and monthly bill. Get system size, refrigeration + HVAC load breakdown, MACRS depreciation, and payback analysis.
How to Use This Calculator
Facility size and refrigeration units
Funeral homes have a unique electrical load profile dominated by two critical systems: morgue refrigeration and precision HVAC. Enter your facility size and the number of commercial refrigeration units. Each refrigeration unit draws approximately 500W continuously, 24 hours a day, 365 days a year — this is a non-negotiable load that cannot be reduced or scheduled. Morgue refrigeration represents the most solar-compatible load type: it's constant, predictable, and benefits directly from solar's daytime generation supplementing baseload consumption.
Crematorium presence — important distinction
If your facility has cremation services, select the crematorium option. Traditional retort cremators operate at 1,400–1,800°F using natural gas — they cannot be powered by solar electricity. Solar panels and cremation equipment are not directly connected. However, solar still meaningfully offsets your facility's electrical loads (refrigeration, HVAC, lighting, office equipment). Selecting the crematorium option adjusts the calculation to account for gas-driven cremation costs being separate from electrical savings.
Viewing rooms and HVAC
Viewing and visitation rooms require precise temperature and humidity control regardless of outside conditions — families expect comfort during services. HVAC for funeral homes is typically sized at 1 ton per 500 sq ft, similar to commercial office space, but must maintain consistent conditions year-round. Viewing rooms also have AV equipment for memorial services and, increasingly, livestreaming capabilities for remote family members.
The Formula
The 60% roof efficiency factor for funeral homes reflects that many facilities have architectural elements (porticos, dormers, decorative rooflines) that reduce usable panel area below what a standard commercial building would offer. Funeral homes also often have lower rooflines and setbacks to maintain an appropriate residential aesthetic in their neighborhood context. Even so, most funeral homes have sufficient roof area for a 10–40 kW system that meaningfully offsets electrical costs.
Example
Heritage Funeral Services — 8,000 sq ft, Ohio, 8 refrigeration units
Heritage Funeral Services operates an 8,000 sq ft funeral home in Ohio with 8 commercial refrigeration units, 4 viewing rooms, no on-site crematorium, and a $2,800/month electricity bill.
Results
Heritage's 1.5-year payback reflects a near-ideal solar scenario: moderate system size, high electricity rate, and a consistent refrigeration load that directly benefits from solar offset. The $284,000 25-year NPV transforms a $61,600 investment into substantial long-term value — meaningful for a family-owned business planning generational continuity.
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