Costs

Tankless Water Heaters: 2025 Energy Savings Guide

ThermaPros Team
December 28, 2024
7 min read

Tankless water heaters are the future of hot water. They save you a ton of money and give you endless hot water. In 2025, with new rebates and better technology, they're easier to get than ever before. Want to see how much money you can save on energy? Check out our heat pump vs gas furnace comparison.

Tankless water heater installation Colorado 2025 - Modern tankless water heater installation showing professional installation and energy efficient compact design

Why Tankless Water Heaters Are Awesome

Modern tankless water heaters have a bunch of advantages:

  • Up to 70% energy savings compared to tank heaters
  • Endless hot water supply
  • Space-saving design (90% smaller footprint)
  • Longer lifespan (20+ years vs 10-15 years)
  • Precise temperature control

How Much Do They Cost to Install?

The cost depends on what type you get and how complicated the installation is:

  • Electric tankless: $1,500 - $3,000
  • Gas tankless: $2,500 - $4,500
  • Whole-house systems: $3,000 - $6,000
  • Point-of-use units: $500 - $1,500
  • Installation labor: $500 - $1,500
Tankless water heater energy savings Colorado 2025 - Tax documents showing energy savings calculations for tankless vs traditional water heaters

How Much Money Can You Get Back?

You can get a lot of money back with rebates:

  • Federal tax credit: Up to $1,000
  • State rebates: $200 - $500
  • Utility rebates: $300 - $800
  • Energy Star rebates: $100 - $300
  • Total potential savings: $600 - $2,600

What's New in 2025 Models

The new models this year have some cool improvements:

  • Smart controls and Wi-Fi connectivity
  • Improved energy efficiency
  • Better cold-weather performance
  • Reduced maintenance requirements
  • Enhanced safety features

Colorado Weather Makes a Difference

Our altitude and weather affect how tankless water heaters work:

  • High altitude reduces gas efficiency
  • Cold incoming water requires more energy
  • Hard water requires regular maintenance
  • Proper venting is crucial
  • Professional installation recommended

How Much Money Can You Save?

You can save a lot of money compared to traditional tank heaters:

  • Average household savings: $200 - $400/year
  • Larger families save more
  • Reduced standby heat loss
  • Lower utility bills
  • Increased home efficiency rating

What Happens During Installation?

Professional installation makes sure everything works perfectly:

  • Site assessment and system sizing
  • Gas line or electrical upgrades if needed
  • Professional installation (4-8 hours)
  • System testing and commissioning
  • Warranty registration

How Much Maintenance Do They Need?

They need way less maintenance than traditional tank heaters:

  • Annual descaling (hard water areas)
  • Filter cleaning every 6 months
  • Professional inspection every 2 years
  • No tank replacement needed
  • Longer warranty periods

Frequently Asked Questions

How much can I save with a tankless water heater?

Tankless water heaters can save 30-70% on water heating costs compared to traditional tank heaters. The average household saves $200-$400 annually, with larger families saving even more.

Do tankless water heaters provide enough hot water?

Yes, tankless water heaters provide endless hot water on demand. They heat water as needed, so you'll never run out of hot water, even with multiple showers running simultaneously.

What's the difference between gas and electric tankless?

Gas tankless heaters are more powerful and better for whole-house applications, while electric models are more affordable and easier to install. Gas models work better in cold climates like Colorado.

How long do tankless water heaters last?

Tankless water heaters typically last 20+ years with proper maintenance, compared to 10-15 years for traditional tank heaters. They have fewer moving parts and no tank to rust.

Do I need to upgrade my electrical panel for electric tankless?

Possibly. Electric tankless heaters require significant electrical capacity. We'll assess your current electrical system during the consultation and recommend any necessary upgrades.

What maintenance do tankless water heaters require?

Minimal maintenance includes annual descaling in hard water areas, filter cleaning every 6 months, and professional inspection every 2 years. This is much less than traditional tank heaters.

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