CALIFORNIA – “We are having a cold spell here and a lot of times during these cold spells, or during the wintertime, we respond to an increased call of natural gas odors in a home,” Chief Sam DiGiovanna of Verdugo Fire Academy said.Carbon monoxide is a silent poison.“Carbon monoxide is a colorless and odorless gas,” DiGiovanna said. “You can’t even smell it.”Winter is the time of year where its silence is broken, as there are warning signs if there is a leak at home.“If you start feeling flu-like symptoms or achy or you just feel very tired, there’s a good chance you may be having carbon monoxide symptoms,” DiGiovanna said. “I say that with hesitation because right now is flu season and we have COVID-19 that’s running and starting to spike a bit. I