Need to replace your water heater?
It is easy to become overwhelmed with so many great brands like A.O. Smith, Rheem/Ruud, State,
Bradford White and American. What size hot water heater should you buy or should you go tankless? AAA
Master Services can answer your questions on water heater installation and solve your plumbing problems.

Water Heater Selection Guide
Your new water heater should satisfy your hot water needs and use as little energy as possible.

Energy Source The most economical water heater replacement in New Mexico will use the same source
of energy for your water heater. (If you have an electric unit replace with electric, gas-fired with gas-fired)
Changing energy sources will usually require additional plumbing or electrical work.

Size of Tank The standard size for a residential water heater is 40 or 50 gallons. The capacity of a hot
water heater should be based on the number of occupants and the peak hour water demand, not on the
size of the house. The water heater should provide enough hot water at the busiest time of the day. Also
consider the number of plumbing fixtures you have in the home. The more sinks you have, the greater the
demand for hot water. Also consider extraordinary hot water demands, like hot tubs.

The ability of a water heater to meet peak demands for hot water is indicated by its "first hour rating."
Read more on first hour rating. This rating accounts for the effects of tank size and the speed by which
cold water is heated.

Number in family                        Recommended Size of Tank
1 to 3 (or 4)                               40 gallon
4 to 6                                         50 gallon or 50 gallon high recovery
6 to 8                                         50 gallon high recovery or 75 gallon

This is only a guide and does not guarantee that you will not run out of hot water.

Warranty Get the best warranty. For greater peace of mind, buy the longest warranty. Most water heater
warranties cover the tank for 6, 9, 10 or 12 years. Call to discuss your options and benefits of a longer

A longer warranty is advisable if you have a
water softener in your home. Water softeners can speed up
the rate of anode corrosion.

Be aware that warranty on most water heaters is on the water heater only. Labor is covered for the first
year only. Longer labor warranties are available in certain areas.

Energy Efficiency  The energy efficiency of a water heater is indicated by its energy factor (EF), an
overall efficiency based on the use of 64 gallons of hot water per day. The first national appliance
efficiency standards for water heaters took effect in 1990. New standards, which took effect in January
2004, increased the minimum efficiency levels of water heaters.

The most efficient gas-fired water heaters have energy factors ranging from 0.58 to 0.65. The most
efficient electric water heaters have energy factors ranging between 0.90 and 0.95. The higher the EF,
the more efficient the model. Water heaters with high EF ratings may cost more initially but save energy
and money in the long run. Eventually, they will pay for themselves through a lifetime of energy savings.

First Hour Rating Another important factor in choosing a water heater, the First Hour Rating is an
indicator of how much hot water a particular model can provide. The rating, in gallons of desired
temperature hot water is reached by combining the amount of usable hot water stored in the tank plus how
many gallons of usable hot water the water heater can generate in one hour of operation. For example, if
a 40-gallon natural gas water heater will store 31 gallons of usable hot water and can deliver 41 gallons of
usable hot water in the first hour, it’s First Hour Rating is 72 gallons.

Quick Recovery A quick recovery water heater effectively offers homeowners more capacity for the
same size tank. Because standby losses are greater with a larger tank, a quick recovery water heater is
more energy efficient-than a standard recovery model with the same first-hour rating.

The added capacity can be especially attractive to homeowners with teenagers, who have no problem
using more than 40 gallons per shower! Often space limitations preclude a larger water heater, making
quick recovery the best option for homeowners who want hot water for purposes beyond teen showers.

How To Make Your Water Heater More Energy Efficient?  We have the  answer. The secret is
hidden here: perfect combustion, better WH insulation from the surroundings.

A.O. Smith, making its own brand and State, Reliance, Kenmore and Censible tanks. - 800-527-1953
Rheem makes Rheem, Ruud, Richmond and General Electric tanks. - 800-432-8373
State Industries - 800-365-8170
American Water Heater Co. - 800 999-9515 for residential and 800-456-9805 for commercial
Bradford White - 800-334-3393
Bock - 888-784-8322
Vaughn - 800-282-8446
Call Us For Your Free Estimate!
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© 2005-2010  AAA Master Services,  All Rights Reserved.     New Mexico's Contractor Licences: CID-354659;  MHD-C354659;   LP05-357790
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