Gas water heaters are less expensive to run than electric models and have a faster hot water recovery rate, which is attractive to large families. In the United States, gas powered water heaters are used in 60 percent of residences, making them the heater of choice as of 2015.
Some lifetime warranties cover the product for as long as you own it, which means the warranty is disclaimed (or voided) the moment it is resold or given away. Look for the word limited in front of the words lifetime warranty, which will be accompanied by language (usually in fine print) explaining its terms.
The product life cycle (PLC)The stages (introduction, growth, maturity, decline) that a product may go through over time. includes the stages the product goes through after development, from introduction to the end of the product.he product life cycle helps a company understand the stages (introduction, growth, maturity, and decline) a product or service may go through once it is launched in the marketplace. The number and length of stages can vary. When a product is launched or commercialized, it enters the introduction stage.