Instant Water Heater Price

water heater
Water heating is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have many uses.
a heater and storage tank to supply heated water
An appliance for supplying hot water for purposes other than space heating or pool heating.

instant
instantaneous: occurring with no delay; "relief was instantaneous"; "instant gratification"
blink of an eye: a very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash"
(of food) Processed to allow quick preparation
(of a person) Becoming a specified thing immediately or very suddenly
Happening or coming immediately
in or of the present month; "your letter of the 10th inst"

price
Decide the amount required as payment for (something offered for sale)
the amount of money needed to purchase something; "the price of gasoline"; "he got his new car on excellent terms"; "how much is the damage?"
monetary value: the property of having material worth (often indicated by the amount of money something would bring if sold); "the fluctuating monetary value of gold and silver"; "he puts a high price on his services"; "he couldn't calculate the cost of the collection"
determine the price of; "The grocer priced his wares high"