Natural gas and liquid propane in their pure, untreated states are completely odorless and colorless. To ensure consumer safety, utility companies add a harmless chemical odorant called mercaptan to commercial gas supplies, which gives it a very distinct, unpleasant odor that strongly resembles rotten eggs, sulfur, or a decaying animal. If you detect this pungent sulfur smell near your gas clothes dryer, it serves as an immediate warning sign of a potential gas leak. You can troubleshoot odor sources easily by checking gas connections. You can verify that your home is safe when shutting off the manual gas supply valve and having a professional technician test the lines ensures the sulfur smell dissipates entirely.
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