Tankless vs. Traditional Water Heaters—Which One Is Right for Your Arizona Home?
- hotwaterheroesaz
- May 6
- 1 min read
Updated: May 27


Thinking about upgrading your water heater? You’ve probably heard about tankless systems. But are they better than a traditional tank heater?
Let’s break it down.
Tank Water Heaters (Traditional)
- Stores 30–80 gallons of hot water
- Lower upfront cost
- Easier to install
- May run out of hot water during high usage
- Typically lasts 8–12 years
Tankless Water Heaters (On-Demand)
- Heats water only when needed—no storage
- Never runs out of hot water
- Higher upfront cost, but lower monthly energy bills
- Requires upgraded gas lines or electric capacity
- Lasts 15–20+ years
Which One Is Best for Arizona?
Tankless systems are a smart choice for long-term energy savings, especially in homes with 3+ people. However, if your current system is in good shape and your budget is tight, a high-efficiency traditional heater might still be the best bang for your buck.
Pro Tip: Rebates and energy credits may be available when switching to tankless—ask us how!
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