General Business ServicesInstallation & Assembly3MediumHomeowner$ implied
Homeowner needs an under-sink tankless water heater that works on standard 120V to get hot water to a distant kitchen sink without expensive electrical work.
No 120V under-sink tankless water heater exists on the market; all require 240V or dedicated circuits, forcing homeowners to wait several minutes for hot water or undertake costly electrical upgrades.
47
0
Opp. Score
47
Severity
3Medium
Willingness to Pay
implied
Added
May 13, 2026
Workarounds Described
- waits 4 minutes for hot water to reach kitchen sink
- considers tankless but can't due to 120V limitation
App Concept
WarmFlow 120
WarmFlow 120 is the first under-sink tankless water heater designed to operate on standard 120V household outlets, providing on-demand hot water without electrical upgrades. It uses advanced heating technology to deliver a sufficient flow rate for a kitchen sink, cutting wait time from minutes to seconds. No plumber or electrician needed for installation.
Key Features
- Plugs into standard 120V outlet
- Compact under-sink design
- Delivers hot water within seconds
- Easy DIY installation with quick-connect fittings
- Adjustable temperature settings up to 120°F
Target Users: Homeowners with distant sinks (e.g., kitchens, bathrooms) in existing homes where running new 240V wiring is difficult or expensive
Revenue Model: $199 one-time purchase plus optional $29/year extended warranty
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