Bosch Tankless NG water heater installation; proper dual horizontal venting; removal of old hot water heater
B P
Need to replace 50 gal AO Smith water heater located in attic. Access by folding stairs to attic.
Jack O
Gas water heaters are the most commonly used water heater models. They heat water twice as fast as electric water heaters do, but the cost of operation is less than half that of an electric model. However, you also have to add in the cost of installing a gas line to your home if you don't already have one. Gas water heaters can be fueled by either natural gas or propane. Gas can also fuel storage type as well as tankless water heaters.
When it comes to tankless water heaters, gas is the preferred fuel choice. The efficiency and operating cost of gas tankless water heaters can depend on whether it is powered by natural gas or propane. When it comes to flow rate too, natural gas tankless water heaters are the clear winners. The only draw back is the cost of purchasing and installing a gas water heater. A gas model can cost up wards of $1000, against $500 to $700 for an electric model. Gas water heater> installation involves complex specifications regarding combustion air supply and venting that have to be met. This raises installation costs. However, with the kind of energy efficiency that a gas water heater promises, homeowners are likely to recover the cost of installation and purchase within one year in the form of reduced energy bills.
There are also safety considerations involved in installing and operating a gas water heater. In earthquakest gas water heater models is up to 85% while that of electric models can be up to 98%.