Tankless Water Heater Myths Busted: What Medford Homeowners Need to Know

List of myths regarding tankless water heaters and the installs

For many homeowners across Medford and the Greater Boston area, tankless water heaters sound like a dream: endless hot water, energy savings, and space-saving design. But when we’re out on jobs, we still hear plenty of misconceptions that make people hesitate.

Let’s clear the air. Here are the top myths about tankless water heaters—and the real facts you should know before making the switch.

❌ Myth #1: Tankless Water Heaters Can’t Keep Up with Demand

Many homeowners worry a tankless unit won’t deliver enough hot water for the whole family.

The Truth: A properly sized tankless system provides endless hot water—no running out mid-shower. The key is professional sizing and installation. At In A Flash Heating & Plumbing, we calculate your household’s hot water needs to make sure your system never falls short.

❌ Myth #2: They’re Too Expensive to Install

Sticker shock is real—but it’s only half the story.

The Truth: Yes, the upfront cost is higher than a standard tank, but tankless units typically last 20+ years (compared to 8–12 for a tank). Add in the energy savings—up to 30% lower energy bills—and the investment pays off in the long run.

❌ Myth #3: Tankless Units Don’t Work in Cold New England Winters

We’ve heard this one a lot in Medford and surrounding towns.

The Truth: Modern tankless systems are designed for cold climates. With the right installation and sizing, you’ll get steady hot water even on the coldest Massachusetts mornings.

❌ Myth #4: They’re Hard to Maintain

Some people think tankless means “maintenance-free.” Others think they’re complicated.

The Truth: Tankless systems actually need less major maintenance than traditional tanks. A simple annual flush (which we handle) keeps your system running at peak efficiency.

Learn more in our Plumbing FAQs

❌ Myth #5: You Won’t Notice the Difference

Why pay more if it doesn’t feel different?

The Truth: You’ll notice right away—no waiting for water to reheat, no running out during back-to-back showers, and a noticeable drop in energy bills. Plus, you’ll free up valuable space in your basement or utility room.

Should You Go Tankless?

If your current water heater is aging, inefficient, or not meeting your family’s needs, a tankless upgrade is worth considering. With the right system, installed by a local expert, you’ll enjoy:

  • Endless hot water

  • Lower utility bills

  • Longer lifespan

  • Compact, space-saving design

🚰 Work with Medford’s Tankless Water Heater Experts

At In A Flash Heating & Plumbing, we’ve installed tankless systems in homes all across Medford, Somerville, Malden, Stoneham, and the Greater Boston area. We’ll guide you through choosing the right model, handle the installation start to finish, and make sure your home is set up for years of comfort.

📞 Call us today at 781-572-2575 or schedule a free estimate.

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