vs
QUICK ANSWER
"Calentador" is a noun which is often translated as "water heater", and "calefacción" is a noun which is often translated as "heating". Learn more about the difference between "calentador" and "calefacción" below.
el calentador(
kah
-
lehn
-
tah
-
dohr
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. water heater
El calentador se estropeó y me tuve que duchar con agua fría.The water heater broke down, and I had to take a shower in cold water.
b. heater
El calentador estaba al máximo y por eso el agua del grifo abrasaba.The heater was set to maximum, and because of that the water from the faucet was boiling.
a. heater
En invierno coloco el calentador cerca del sofá para no pasar frío.In the winter, I place the heater near the sofa to keep warm.
los calentadores
A plural noun indicates that there is more than one person, place, thing, or idea.
3. (clothing)
a. leg warmers
Todas las bailarinas llevaban calentadores en los ensayos.All the dancers were wearing leg warmers during the rehearsals.
la calefacción(
kah
-
leh
-
fahk
-
syohn
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (general)
b. heat (United States)
Regionalism used in the United States
El técnico viene mañana a reparar la calefacción.The repairman is coming tomorrow to fix the heat.