When you burn gas efficiently it is at lower temperatures and a lot of moisture is produced, which will corrode "B" type venting. Some manufactures use category III stainless vent pipe. This pipe is expensive and requires a larger spacing to combustibles to its counterpart "B" vent. Some manufactures use a concentric vent with 0 (zero) clearance.

Most repairs we see are either poor water quality or installation issues. Water Quality! 8 grains is considered hard water; 12 grain hard is considered very hard water. Most homes we test are between 15 to 30 grains hard. Installation errors are many, but most common ones are improper venting and improper gas supply.

No. If you want hot water faster you will need to move the cold out of the way. We have several was to achieve this depending on the application.

A tankless water heater checks the incoming water temperature and flow rate, It will compare this data to your amount of fuel to make the changes in the water temperature.

Basically there are 4 types of reasons and some folks are a combination of them

1. Anyone who runs out of hot water. You might have a large family and you are waiting for your turn to get in the shower only to find out you are out of hot water.

2. Space Saving. Put a tankless water heater outside the house and use that space for other things. A typical water heater takes up 12 sq. ft. In socal, our real estate is worth approx. $500 per sq. ft so this could increase the value of your home.

3. Mold is the new asbestos. Water damage can be costly and your insurance can go up if you have a claim. This will lead to increased premiums for you and will follow the home to the next buyer. Get that water heater outside the house. We have pipe covers to hide the piping along with recessed boxes to hide the unit completely.

4. Energy savings are dollars in your pocket and also helps get our country closer to being energy independent. All green products are good for you and our environment.