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Traditional Tank or Tankless: Which Fits Your Home?
| Situation | What it often means | What we recommend |
|---|---|---|
| Household regularly runs out of hot water | Tank may be undersized or sediment buildup has reduced capacity. | Right-sized tank replacement, or consider tankless. |
| Tank is 10+ years old | Approaching the typical end of a traditional tank’s service life. | Inspection and replacement planning before it fails. |
| Renovating or short on space | A tankless unit takes up significantly less room than a storage tank. | Tankless water heater installation. |
| Priority is lowest upfront cost | Traditional tanks generally cost less to purchase and install. | Traditional tank replacement. |
| Priority is long-term efficiency and lifespan | Tankless units last longer and heat water on demand. | Tankless water heater installation. |
Frequently Asked Questions
How long does a hot water tank last in Calgary?
Traditional tanks typically last 10 to 15 years in Calgary. Hard water often shortens that lifespan if the tank is not periodically flushed. Tankless units typically last 15 to 20 years with annual maintenance.
Do I need a permit to install a hot water tank in Calgary?
Yes. Hot water tank installations typically require a plumbing and gas permit through the City of Calgary. We handle the permit process as part of every installation.
What size hot water tank do I need?
Tank size depends on household size and hot water usage patterns, not just square footage. A smaller household may be well served by a 40-gallon tank, while a larger household with multiple bathrooms often needs 50 gallons or more.
Is a tankless water heater worth it in Calgary's climate?
Tankless units perform reliably in Calgary winters when properly sized, and they provide continuous hot water without the standby heat loss of a storage tank. The higher upfront cost is the main trade-off against a traditional tank.
Can you repair my existing hot water tank instead of replacing it?
In many cases, yes. Issues like a failed heating element, thermocouple, or valve are often repairable. We assess the tank’s age and condition and give you an honest comparison of repair versus replacement.
How often should a hot water tank be flushed?
Once a year is reasonable for most Calgary homes, given the region’s hard water. Homes without a water softener may benefit from more frequent flushing.
Do you have a preferred brand of water heater?
No. The Alberta Mountain Air team can install, repair, or maintain many brands of hot water tank or tankless water heater.
