Home Energy Automation
to Outsmart Your Electric Bill
You set goals and limits. Your home does the rest.
Hungry Machines is a home energy management system that automatically shifts your HVAC, EV charger, home battery, and water heater to cheaper time-of-use electricity hours — keeping your home comfortable while lowering your bill.
Already on Home Assistant? Install via HACS →
Master Your Home Energy
Smart energy management that keeps you in control
Time-of-Use Rate Optimization
Automatically shift energy usage to off-peak hours within your limits, saving you money while maintaining comfort.
Custom Thermal Models
Our HVAC controller enables your home to learn how to heat or cool and pre-condition efficiently, ensuring your target temperature right when you need it.
Weather-Aware
Integrates weather forecasts to optimize usage schedules, avoiding non-optimal energy use.
Multi-Device Support
Manage HVAC, home batteries, EV chargers, and more from one system. Coordinate your home energy devices intelligently.
Get Started in Minutes
Three simple steps to smarter energy management
Install via HACS
Our first products leverage Home Assistant, where you can add Hungry Machines via the Home Assistant Community Store.
Configure Preferences
Set your comfort levels, energy rates, and schedule. Your rules come first, your home optimizes within them.
Start Saving
The system learns your home and operates automatically. Override anytime with a tap.
Features That Put You First
Smart automation that respects your control and privacy
You're in Charge
Set your comfort preferences and override anytime. Your rules come first, always.
Full Transparency
See exactly what the system is doing and why. No black boxes, no surprises.
Thermal Learning
Learns how your home heats and cools to pre-condition per your requirements.
Multi-Device Support
Works with HVAC, home batteries, EV chargers, and more to elevate savings. One system, many devices.
Weather-Aware
Integrates weather forecasts to optimize heating, cooling, charging, and solar usage.
Privacy & Local Control
Automation happens locally in your Home Assistant. Override the optimized schedule at any time.
Simple, Transparent Pricing
Start free, upgrade when you're ready
Free
- ✓ Basic Time-of-Use rate optimization
- ✓ Manual override controls
- ✓ Energy usage dashboard
- ✓ Single HVAC device
- ✓ Community support
Premium
- ✓ Everything in Free
- ✓ Thermal learning & pre-conditioning
- ✓ Weather-aware optimization
- ✓ Multi-device support (HVAC, batteries, EV)
- ✓ Advanced analytics & insights
- ✓ Priority support
- ✓ Early access to new features
Frequently Asked Questions
Everything you need to know
How does Hungry Machines save me money? +
Hungry Machines shifts your energy usage within the limits you define. It optimizes for times when electricity is cheaper, like overnight or the middle of the day for time-of-use rates. With HVAC, for example, it learns your home's thermal behavior to pre-condition efficiently and integrates weather forecasts to avoid unnecessary heating or cooling.
Will I lose control of my thermostat? +
Absolutely not. You're always in control. Set your preferences, and override the recommended schedule anytime with a few taps. Your comfort and manual adjustments take priority, and you can see exactly what the system is doing and why.
What devices does it work with? +
Hungry Machines works with any device connected to Home Assistant: HVAC systems, smart thermostats, home batteries, EV chargers, and more. The free tier supports one HVAC device, while Premium optimizes multiple devices together.
Is my data private and secure? +
Yes. Automation and control happens locally in your Home Assistant instance. Your home automatically receives recommended load shifting schedules, which you can override locally any time. Your preferences and data inform the recommendations, they are not shared externally.
How do I install it? +
Hungry Machines installs via HACS (Home Assistant Community Store) in just a few clicks. Once installed, you configure your preferences through the Home Assistant interface. No coding or technical expertise required.
Ready to Start Saving?
Join homes already optimizing their energy usage with Hungry Machines. Install in minutes, start saving today.