Efficiency

• By: Sergey Fedorov 
• Solar inverters
• Updated: Oct 22, 2025

Solar inverter repairs: When to DIY and when to call the pros

• By: Sergey Fedorov 
• Efficiency
• Updated: Oct 02, 2025

Heat pumps in cold climates: Breaking the ice on winter performance

• By: Sergey Fedorov 
• Efficiency
• Updated: Oct 01, 2025

Solar roadways: Revolutionary concept meets engineering reality

• By: Sergey Fedorov 
• Efficiency
• Updated: Sep 29, 2025

EV charger installation: Your complete guide to home charging setup

• By: Sergey Fedorov 
• Efficiency
• Updated: Sep 23, 2025

What is Tesla destination charging? Your complete guide to slower, smarter EV charging

• By: Andrei Gorichenskii 
• Efficiency
• Updated: Feb 07, 2025

Check yourself: How to perform DIY home energy audit

• By: Andrei Gorichenskii 
• Efficiency
• Updated: Aug 17, 2024

Cooling with the heat of the sun: How many solar panels for a refrigerator?

• By: Andrei Gorichenskii 
• Save money with solar energy
• Updated: Feb 07, 2025

How to make home energy efficient, save money and help the planet