And once you become a gas heat customer, you'll soon come to appreciate the cleanliness, convenience and dependable delivery of gas heat. Depending on where you live, we can also supply natural gas to save you money by buying directly from KeySpan. Click here for details.
Natural gas is safe for the environment.
It is efficient and economical. And KeySpan only installs high quality natural gas equipment that is compact, quiet and clean. We proudly install Trane heating and central air conditioning systems, Weil-McLain boilers and A.O. Smith water heaters. Click here for special offers to convert to clean natural gas. KeySpan can also finance the conversion of your home from oil to gas, making it even easier to improve the energy in your life.