Tired of running out of hot water or waiting for the tank to refill? Tankless water heaters—also known as on-demand water heaters—may be the solution. These systems heat water only when needed, providing energy efficiency and an endless supply of hot water. If you’re considering making the switch from tank to tankless, understanding how tankless systems work can help you make a smart decision for your Erie home.
Gas vs. Electric Tankless Water Heaters
Tankless water heaters come in two primary types: gas and electric. Each has its strengths and considerations, depending on your home’s setup, energy preferences, and water usage habits.
Here’s a quick comparison:
Energy Source
Gas tankless water heaters run on natural gas or propane. Electric tankless water heaters are powered by electricity through your home’s electrical panel.
Installation Complexity
Gas tankless water heaters require ventilation and gas line hookups. Electric tankless water heaters are typically easier to install.
Performance in Cold Climates
Gas tankless water heaters tend to perform better with high demand or colder incoming water. Electric tankless water heaters are less efficient in colder climates, slowing down hot water delivery. However, proper sizing helps mitigate these issues.
Operating Costs
Gas tankless water heaters usually cost less to operate due to the low price of gas in Pennsylvania. Electric tankless water heaters offer higher energy efficiency, but that doesn’t necessarily translate to lower utility bills.
How Do Gas Tankless Water Heaters Heat Water?
Gas tankless units use a gas burner to rapidly heat cold water as it flows through a heat exchanger. When you turn on a hot water tap, sensors detect the flow and signal the system to ignite the burner.
The water heats almost instantly as it travels through the system and is delivered directly to your faucet. Since there’s no storage tank, the supply continues for as long as water flows.
How Do Electric Tankless Water Heaters Heat Water?
Electric tankless systems operate using high-powered electric elements instead of a gas burner. As water flows through the unit, it passes over these elements, which heat it quickly before sending it to your tap or shower.
Like gas-powered units, they activate only when hot water is needed, making them efficient and compact—ideal for smaller households or homes without a gas connection.
Pros of Tankless Water Heaters
Many homeowners are switching to tankless water heaters because of the long-term benefits they offer:
- Endless hot water: You won’t run out, even during long showers or back-to-back loads of laundry.
- Energy efficiency: Heating water on demand reduces energy waste.
- Space-saving design: Wall-mounted units free up room in utility closets or basements.
- Longer lifespan: Most tankless models last over 20 years with proper maintenance.
- Lower risk of water damage: There’s no large tank to leak or rupture.
Cons of Tankless Water Heaters
While tankless systems offer advantages, they aren’t the best fit for every home. Here are a few potential drawbacks to consider:
- Higher upfront price: The initial investment and installation of a tankless unit can be more than a standard tank water heater.
- Limited flow rate: One unit may struggle to supply multiple fixtures simultaneously in larger homes.
- Gas line or electric panel upgrades: Some homes may need modifications before a tankless unit can be installed.
Is a Tankless Water Heater Right for Your Home?
Every home has unique needs. A tankless system can be a great investment—but only if it’s the right match for your household. If you’re considering a tankless water heater, here are a few things to think about:
- Hot water demand: Think about how often and how much hot water you use, as well as how many fixtures are used at once.
- Installation cost: Be sure to factor in potential upgrades to gas lines or electric panels.
- Space availability: Tankless units are compact but still need proper ventilation or clearance. Consider where it might go.
- Energy source: Consider whether gas or electricity is more practical or available in your home.
- Long-term goals: Tankless systems pay off over time but require a higher upfront investment.
Install a Tankless Water Heater with Nerthling’s
If you’re thinking about switching to a tankless water heater, the team at Nerthling’s Heating & Air Conditioning is your local partner for expert water heater services.
With free replacement estimates, licensed technicians, and financing options available, we make it easy to upgrade your home’s hot water system. We’ve been serving families in Erie, Millcreek, North East, and beyond for over 70 years—and we treat your home like it’s our own.
Contact Nerthling’s to request your free estimate on a tankless water heater in the Erie area!
