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HOMEOWNERS
STEP 2: DETERMINE THE SIZE
In determining the size of water heater is most appropriate for you and your family,
refer to the
sizing guide below and identify the scenario that best describes your house,
your family
size and your approximate water consumption. You can then refer to the water
heater type and tank size that you require.
SIZING GUIDE
This guide serves as an estimate only. Hot water demands vary from family to family.
If you find your current model is undersized, move up to the next larger unit.
Specialty Applications: Utility point-of-use Electric water heaters for specialty applications
are
available in sizes from 2.5 gallons to 30 gallons. You can save energy by using
point-of-use heaters for remote washroom applications. (These models have a single
1500W 120V element (240V available).
| House Type |
Family Size** |
Peak Daily Water Use |
Tank Size |
| Gas |
Propane |
Electric |
Oil |
| Vacation cottage or very small home |
2-3 |
50 gal |
19 |
19 |
30 |
32 |
| Small family home |
3 |
60 gal |
30 |
30 |
35 |
32 |
| Home with 2 bathrooms, 3 bedrooms and washing machine |
4-5 |
120 gal |
40 |
40 |
35/46 |
32 |
| Home with 3 bedrooms, washing machine and dishwasher |
5-6 |
150 gal |
40 |
40 |
46 |
32 |
| Home with 4 bedrooms, washing machine and dishwasher |
4-6 |
180 gal |
50 |
50 |
72 |
50 |
Larger home with 4 or more bedrooms, washing machine and dishwasher
(heavy use) |
5-7 |
200 gal |
60 |
60 |
97 |
50 |
| Larger home as above with whirlpool baths |
6-8 |
250 gal |
75 |
75 |
119 |
65 |
**If teenagers are in the home, you may elect to go one model size larger.
Oil water heater specifications can be found on visit www.johnwoodwaterheaters.com
This chart serves as a guide only. Hot water demands vary from family to family.
If you find your current model is undersized, move up to the next larger unit.
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