If you opt for a gas-powered water heater, you'll need to install a venting system. There are two types of venting: direct or power. Direct-vent heaters are less expensive and use an exhaust pipe or ...

so venting is necessary. In most cases, this means making a hole through an external wall or roof. The installation of a tankless water heater outdoors can be much simpler. It needs a cold water ...

However, additional expenses may include permits, labor, and additional venting systems needed for proper installation. Several factors influence the replacement costs of water heaters. The critical ...