Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...

Researchers from China have proposed to combine solar-air source heat pumps (SASHP) with sand-based thermal floor storage in rural clean heating renovation projects. “In rural areas where economic ...

Solar heaters use energy from the sun to create heat. These heaters encompass a variety of products, such as solar hot water heaters, solar pool heaters and solar space heaters that can warm up small ...

As a former realtor, general contractor and greenhouse operator, Kristi has touched nearly all aspects of homeownership, from the foundation up. Today, Kristi is a full-time investing and real estate ...