Best Water Heater Buying Guide

Tank water heaters typically hold 40, 50, or 55 gallons or more. The size you buy depends on the number of people living in your home and your peak water usage. A family of four, for instance, might take several showers, run the dishwasher, and wash a load or two of laundry in an average day, totaling 100 gallons of hot water or more. But that doesn&#;t mean that household needs a 100-gallon storage tank.

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For storage tank water heaters, it&#;s important to consider the first-hour rating, which is the number of gallons a water heater can deliver in an hour starting with a full tank. You&#;ll find the FHR on the EnergyGuide label. To calculate what FHR will work for your home, use the calculator on the Energy Saver website.

As the result of recently updated efficiency standards, water heaters less than 55 gallons now have a 4 percent boost in efficiency and water heaters 55 gallons or more have efficiency gains of 25 to 50 percent, depending on the technology used&#;heat pump or condensing. (See water heater types, below.)

And don&#;t assume that a new water heater will fit where your old one was. Because of increased insulation and other efficiency improvements, some newer models may be wider and/or taller than your old water heater.

Tankless water heaters, of course, don&#;t hold much water, so the number to look for is the gallons-per-minute rating (GPM). That&#;s the number that tells you how much hot water the heater can deliver over a set period of time. The higher the GPM, the more hot water the unit can deliver. If you have a big family and multiple bathrooms, you&#;ll need a tankless water heater with a higher GPM. A typical shower, for example, uses up to 2.5 GPM. Newer washers use from 7 gallons (front-loader) to 19 gallons (agitator top-loader) per wash, but older models can use up to 32 gallons per load, as indicated below. Calculate your needs accordingly.

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Well, it finally got warm enough in upstate NY that I know I won't need to turn the heat on again....

I did a search with no luck since everyone is talking about A/C this time of year.

We are going to replace the ancient oil-converted-to-gas monster with something smaller and more efficient.

We have an sq foot cobblestone in upstate ny with baseboard radiators.

We are planning to split the single zone into at least 2, maybe three zones. Luckily the piping is already split that way so there is no major plumbing to be done.

The contractor worked with my father for many years and so far has treated us well with adice, repairs, and installations on other items in our house including the water heater and no-vent space heaters so I expect good advice from him going forward as well.

He is advocating copper bottom boilers from Teledyne and/or Lochinvar rather than a cast iron boiler from Crown.

Does anyone have any experience with the copper boilers as far as longevity and reliability? Are these sound manufacturers?

He rough quoted a price of $ to $ for the boiler installed depending on the unit needed. I will be removing the dinosaur.

Any thoughts on these units?

Thanks

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