Dear Jim: I should replace my old heating/cooling system with a more efficient one. With gas prices going up, shortages of propane, etc., is installing a geothermal heat pump wise and what types are ...

Mark is a seasoned green industry veteran and freelance writer based in Georgia. His work encompasses all things garden, landscape, home improvement, and DIY, with a focus on sustainability. Mark ...

Arizona homeowner David Fero knew his solar setup was saving him money on energy, but he wanted to expand what his system could do. Now, after upgrading his setup using game-changing tax credits, Fero ...