How many BTUs do I need for a 40-gallon 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.
Is a 40-gallon water heater big enough?
1-2 people need a 30-gallon water heater. 2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.
How many BTU does a gas water heater use?
Recovery of gas-fired water heaters is a function of the BTU input and overall efficiency. Input ranges from about 32,000 on a 30-gallon unit to 88,000 on a 100-gallon tank. A common input is 34,000 BTUs on a 40-gallon tank and 36,000 BTUs on a 50-gallon tank.
How long should a 40-gallon gas water heater last?
between 8 and 12 years
The manufacturer’s suggested service life is between 8 and 12 years. It depends on the location and design of the unit, as well as the quality of installation, maintenance schedule and water quality.
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.
What does Ultra Low NOx mean?
An Ultra Low NOx gas water heater is one that emits a lower level of nitrogen oxide than a standard gas water heater. Some states and municipalities have requirements and standards to limit the maximum amount of NOx emissions for gas water heaters – particularly certain counties in California and in the state of Utah.
Is a 40 gallon gas water heater enough for a family of 4?
Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.
How big of a water heater do I need for a family of 4?
For 1 to 2 people: 30-40 gallons. For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.
What does BTU mean for hot water heaters?
British Thermal Units
Higher input means the water heater can heat more water faster when needed. Natural or propane gas input is expressed in BTU’s (British Thermal Units) per hour, and State gas inputs range from 30,000 to 75,100 BTU’s.
How tall is a natural gas water heater?
Compare Similar Gas Tank Water Heaters current product Top Rated Water Heater Profile Tall Tall Short Short Vent Type Atmospheric Atmospheric Atmospheric Atmospheric Gas Type Natural Gas Natural Gas Natural Gas Natural Gas Product Height (in.) 58.5 60.25 51 50.5
Is the Rheem performance plus 40 gal tall water heater environmentally friendly?
The Rheem Performance Plus 40 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2 to 4 people. The push button ignition system ensures safe and easy startup.
Do you need two 75 gallon water heaters?
The ideal thing about a 75 gallon water heater with quick recovery time is that you only need one instead of having two 40 or 50 gallon water heaters. With 2 you have to have 2 water inlets, 2 water outlets, 2 gas inlets, 2 exhaust vents.
What makes an A.O.Smith 40 gallon tank safe?
Smith’s 40-gallon model is designed with your safety in mind. With a built-in safety system, this model reduces the risk of accidental flammable vapor ignitions. A factory-installed temperature and pressure relief valve and tamper-proof drain valve also ensures safe operation.