Energy-Efficient Tankless Water Heater Services in Minneapolis & St. Paul
More homeowners are choosing tankless water heaters for their efficiency and endless hot water. With Randy’s Electric & Plumbing handling your installation, you’ll get expert recommendations and a setup you can rely on for years. Our licensed plumbers assist homeowners across the Twin Cities, replacing old tanks with high-efficiency, on-demand systems from trusted brands like Navien and Bradford White.
Whether you’re looking to switch to tankless or need a repair for your current system, we’ll help you choose the right setup for your home and get everything running smoothly. Financing options, 2-hour arrival windows, and Randy’s Guarantee make the whole process stress-free.


Simple Ways We Make Home Care More Affordable
Big or small, every home repair should feel manageable. That’s why we offer flexible financing options and our Randy’s Home Club, giving you more ways to plan, save, and stay protected. Enjoy peace of mind knowing your home is cared for year-round, without financial stress.
Minneapolis-St. Paul’s Trusted Water Heater Experts
With local experience, Randy’s Electric & Plumbing is the go-to team for tankless water heater replacement and installation across Minneapolis–Saint Paul. We’re proud of our thousands of 5-star reviews and our reputation for clear communication and reliable service.
Tankless Water Heater FAQs for Twin Cities Homeowners
Upgrading to a tankless water heater is a big decision, and it’s normal to have questions. Below, our team answers the most common things local homeowners want to know before switching. If you’d like personalized guidance or want to compare options, give us a call at (763) 560-5600.
Tankless water heaters typically last 20 years or more, almost twice as long as many traditional tank-style models. Their long lifespan comes from on-demand heating, which reduces wear and tear. Regular maintenance, like flushing out mineral buildup, can help your system run efficiently for decades.
Not in the traditional sense. Tankless heaters create hot water on demand, so you won’t “use up” a tank. However, they do have a flow capacity, meaning if too many fixtures run at once, you may feel a drop in temperature.
If your household uses a lot of hot water at the same time, we can help size the right unit—or recommend multiple units—for consistent comfort.
Yes, and here’s why. Tankless systems only heat water when you need it, which can significantly reduce energy use compared to constantly reheating a full tank. Homeowners often see benefits like:
If you’re looking to lower energy costs overall, pairing a tankless unit with water filtration services or scheduled maintenance can also boost performance.
In most cases, yes. We install tankless systems for gas, electric, and high-efficiency models like Navien. We’ll assess your home’s venting, gas lines, electrical capacity, and hot water needs to recommend the right upgrade.
If modifications are needed, our licensed plumbers handle everything safely and efficiently.
They do, but not as much as traditional tanks. Routine service helps prevent mineral buildup and keeps the heat exchanger running smoothly. Most homes benefit from annual flushing, and homes with hard water may need it a little more often.
If you’re unsure when yours was last serviced, we can take a look and get it back on track.
Make the Switch to Tankless Hot Water
A tankless water heater upgrade isn’t just about comfort; it’s about convenience, efficiency, and long-term savings. Our team will help you compare options, walk you through installation, and make sure everything is working exactly the way it should. If you’re tired of running out of hot water, we’re ready to help.