# Question: Which type of water heater has the slowest recovery rate?

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## Which type of water heater typically has the highest recovery rate?

Electric residential water heaters are generally considered to have a 100% recovery efficiency. This is because immersion style elements place all the heat into the water and there is no flue.

## What type of water heater lasts the longest?

tankless water heater A tankless water heater can last up to 20 years, sometimes even longer. Also called “on-demand” water heaters, these appliances do not work continuously to maintain a supply of hot water—and, as a result, they last longer than their tank-style counterparts.

## What is a good recovery rate for a water heater?

When determining a good recovery rate for a hot water heater, it largely depends on your households needs. In many cases, youll see a residential water heater recovery rate average around 40 gph, though there are many models that can be as high as 50 to 60 gph.

## How many BTU is a 40 gallon electric water heater?

34,000 BTUs A common input is 34,000 BTUs on a 40-gallon tank and 36,000 BTUs on a 50-gallon tank. The higher the BTU input and efficiency, the faster the recovery. Electric water heaters typically have one 5,500-watt or two 4,500-watt elements.

## How do you calculate water heater recovery?

To get an approximate first hour rating based on your place, you can determine it using the following rule of thumb formula: Tank Capacity x . 70 + Recovery (see Recovery Rating above) = First Hour Rating. Example: If the water heater is 40 gallons with a 36,000 BTU burner you take; 40 (gallons) x .

## How many showers can you take with a 40 gallon water heater?

A 40-gallon water heater can provide up to 2 showers in an hour (if youre not using any other water appliances).

## Are higher BTUs better?

A heater with a higher BTU rating is more powerful — that is, it has a higher heat output — than one with a low BTU rating. It can do more to raise the temperature in your room each hour, so you can either heat a room more quickly or heat a larger space.

## How many BTU is a 40-gallon electric water heater?

34,000 BTUs A common input is 34,000 BTUs on a 40-gallon tank and 36,000 BTUs on a 50-gallon tank. The higher the BTU input and efficiency, the faster the recovery. Electric water heaters typically have one 5,500-watt or two 4,500-watt elements.

## What is the first hour rating of a water heater?

The first hour rating is the number of gallons of hot water the heater can supply per hour (starting with a tank full of hot water).

## Is 6000 BTU enough for a bedroom?

If you want to properly cool down a 300 square foot area (or room), you need a 6,000 BTU air conditioner. Obviously, the problem arises when you have a tiny 12×12 room, for example. According to the US Department of Energy directive, an air conditioners most appropriate size would be 2,880 BTU unit.

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