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Cool Cost Auditor – On-Site AC Energy Accounting Service

A technician visits a home during or just before peak summer, installs temporary sub-metering on the AC unit (clamp-on CT sensors + data logger), runs it for 2-4 weeks, then delivers a detailed report showing: exact kWh consumed by AC alone, cost per cooling degree-day, peak vs. off-peak usage patterns, and a ranked list of 5-10 specific interventions (seal ductwork, upgrade thermostat, shade windows, adjust setpoint) with estimated savings for each. Homeowner gets a clear, personalized answer: 'Your AC costs $X/month in peak season; here's what actually works.'

SERVICE

31 weeks β€’ 70% confidence

Value Proposition

Unlike smart thermostats that promise savings without proof, this delivers hard data on YOUR specific AC system's cost and shows exactly which interventions save money for YOUR home. No guessing. Homeowners can then decide whether a $2k HVAC upgrade, $500 ductwork sealing, or behavioral changes are worth itβ€”with confidence.

Target Audience

Homeowners in hot climates (Southwest, Southeast, Texas, California) with bills >$150/month during summer; primarily ages 45-70 with disposable income and frustration with vague thermostat claims.

Key Features

  • Clamp-on CT sensor installation (non-invasive, no electrician needed)
  • 2-4 week continuous logging of AC-only consumption
  • Detailed PDF report with cost breakdown by time-of-use, cooling degree-days, and efficiency metrics
  • And more, with full implementation detail...

Tech Stack

Clamp-on CT sensors (Fluke, Eaton, or Arduino-based DIY) Data logger or cloud-connected gateway (Raspberry Pi, Arduino, or commercial IoT logger) Python or Excel for data analysis and cost calculation PDF generation library (ReportLab or similar)
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Original Problem

Homeowners can't predict or control their energy bills during extreme heat waves

Homeowners face unpredictable and often shocking electricity bills during heat waves when air conditioning runs constantly, but lack clear visibility into how much their cooling actually costs or how to meaningfully reduce it. Current smart thermostats promise savings but deliver vague estimates, leaving people uncertain whether the investment is worth it and unable to make informed decisions about their cooling habits during peak summer months.

Score: 17.5%