It depends on how old the heater is. I suggest not using it if it's too old.
See: How Safe are Vent Less Heaters
One of the advantages of electric heaters over gas heaters is convenience. All homes are equipped with electricity, but not all homes have gas. But there are a variety of types of heaters, such as space heaters, hot water heaters, or furnaces. With electric heaters, there is no risk of becoming overcome with fumes.
Gas water heaters CAN be more dangerous than electric ones if they are allowed to fall into disrepair. If you keep your water heater maintained, then they are just as safe as their electric counterparts.
Gas heaters that are not part of a central heating system are considered space heaters and can be dangerous as you have heard. In addition, gas heaters that are improperly used or functioning add the risk of carbon monoxide poisoning, especially if they are not vented to the outdoors. Safety precautions are a must with these heaters.
LPG makes many different types of gas heaters. For the most part, LPG makes liquid gas heaters, with their most popular heater being central air heaters.
My new house as electric baseboard heaters. Are they safe for pets and babies?
Gas heaters are better. Gas heaters are cheaper and have a cheaper and easier maintenance, however oil heaters are less prone to leakage, but are more expensive and now steadily becoming outdated. Furthermore, oil heaters leave behind an odor and fewer personnel these days know how to deal with them, while most personnel that deal with heaters are trained in the matters of gas. Finally, gas is generally cheaper as oil heaters are far more expensive.
I am looking for plumbing solutions. Where can I find gas water heaters to help with this?
Sometimes. Oil-filled space heaters, which are fire-safe are preferable. Regular electrical space heaters can be used if they are placed in safe places, and turned off before leaving work.
Yes, propane heaters are safe if you follow a few precautions. www.propanefl.com/safety_tips.htm gives a comprehensive list of safety tips.
"Rheem does manufacture both gas and electric water heaters. Rheem currently offers 18 different varieties of gas water heaters and 9 different varieties of electric water heaters. Both types of Rheem water heaters are known for their rigorous standards, reliability, and efficiency."
Researching to find where one can purchase an antique safe, it has been found that there is a good selection available from the eBay website. One can also purchase these safes from "The Antique Safe Collector" website.