The Hargrove Radiant Glow Gas Log Set has a realistic look and increased heating capabilities. The Hargrove Cross Timbers substantial front logs, heavy bark, abundant charring and warm glow. They provide heat up to 30,000 BTU for plenty of heat. Lifetime warranty on Hargrove Radiant Glow Gas Logs. Hargrove natural gas logs are known for their incredible beauty and fidelity to nature.