The energy factor, or EF, is the number that tells you how efficiently a water heater turns energy into hot water, and it is printed on the label. It is the standard way to compare the running costs of different models.
The number
The energy factor measures how much of the fuel or electricity becomes hot water, with higher numbers being more efficient. hard water is common across the region, and older neighborhoods still have galvanized supply lines In Holly Springs, a higher EF saves money every month.
The tank
A storage tank's EF accounts for the standby heat it loses while sitting, which is why well-insulated tanks score better.
The tankless
Tankless units score well because they waste little while idle, and their EF reflects the on-demand design.
The label
The yellow label on the tank lists the EF and an estimated yearly cost, which makes comparison shopping easy.
The call
Read the label before you buy. Call 888-217-3585 and Holly Springs Plumber Connect will match you with a Holly Springs pro.
Plumbing in Holly Springs: what to know
In Holly Springs, hard water is common across the region, and older neighborhoods still have galvanized supply lines. Pros in our network know the local quirks and bring the right parts on the first visit.
Across Wake County — from Fuquay Varina, Apex and Cary to ZIP codes like 27539, 27540, 27502 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.
Need a hand in Holly Springs?
If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and Holly Springs Plumber Connect will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in Holly Springs.