P3 Kill-A-Watt Electricity Usage Monitor – Plug-In Power Meter for Home Energy Tracking

The P3 Kill-A-Watt Electricity Usage Monitor is one of the simplest and most effective tools for understanding exactly how much power your household devices are using. Just plug it into the wall, plug your appliance into the Kill-A-Watt, and the display shows real-time electricity consumption—helping you identify which devices are costing you the most.

This monitor is invaluable for reducing phantom loads, comparing appliance efficiency, and making smart decisions before investing in solar, heat pumps, or other energy upgrades. It can reveal opportunities for immediate savings by showing which electronics should be unplugged or switched to smart plugs.

For Sustainable Life’s home efficiency approach, the Kill-A-Watt is an essential first step in any DIY energy audit. It empowers homeowners to make informed decisions about conservation, renewable energy, and home retrofits—building awareness and supporting long-term energy resilience.

Best for:

• Identifying high-energy appliances

• Reducing phantom loads

• Preparing for solar or battery systems

• Home energy audits

• Choosing efficient replacements for old devices