Tankless Water Heaters

Services

Tankless Water Heater Services

At Bill’s Heating & AC

Enjoy reliable hot water whenever you need it with professional tankless water heater services from Bill’s Heating & A/C. We provide tankless water heater installation, repair, and maintenance services for homeowners throughout Boise, Meridian, Nampa, and the greater Treasure Valley area.

Unlike traditional water heaters that store a limited supply of hot water, tankless systems heat water on demand—providing consistent hot water while helping improve efficiency and free up valuable space in your home. Whether you’re considering a new tankless installation, experiencing performance issues, or looking to keep your system operating at its best, our experienced technicians are here to help with honest recommendations and reliable service.

We proudly install trusted tankless water heater brands backed by our Lowest Price Guarantee and supported by factory-trained technicians. With over 1,400 five-star Google reviews and decades of experience, Bill’s Heating & A/C has become a trusted name for tankless water heater services throughout southern Idaho.

Serving Boise, ID & Surrounding Areas

Tankless Installations, Repair & Maintenance

Tankless water heater

Tankless

From new tankless water heater installations to reliable repairs and preventative maintenance, Bill’s Heating & A/C helps Boise-area homeowners enjoy dependable hot water and efficient performance. Our experienced team delivers honest service, quality workmanship, and reliable solutions designed to keep hot water flowing when you need it most.

Installation

Whether you’re replacing an aging water heater or upgrading to the convenience of on-demand hot water, Bill’s Heating & A/C provides professional tankless water heater installation services tailored to your home’s needs. We offer trusted equipment, no-pressure estimates, fast scheduling, and expert installation backed by our Lowest Price Guarantee.

Repair & Diagnostics

When your tankless water heater isn’t delivering consistent hot water, displays an error code, or isn’t performing as expected, our experienced technicians are ready to help. From system diagnostics and troubleshooting to expert repairs, we work quickly to identify the issue and restore reliable hot water to your home.

Maintenance & Tune-Ups

Routine tankless water heater maintenance helps improve efficiency, reduce unexpected breakdowns, and extend the lifespan of your system. Our professional tune-up services are designed to help Treasure Valley homeowners protect their investment and enjoy dependable hot water year after year.

Need Financing?

We have Flexible Financing Options Available at Bill’s Heating & A/C

HVAC hardware

Why Choose Us?

Honest Services.
Reliable Comfort.

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Low Price Guarantee

Bill’s Heating and AC will beat or match any competitors pricing! View more info about our everyday low price guarantee!

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FREE Second Opinion

If you don’t agree with another contractor’s assessment, diagnosis, or pricing, call us for a FREE second opinion!

1,400+ 5-Star Reviews

We have over 1,400 5-star reviews on Google alone! Our customers love us. See our reviews on Google.

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Tankless Water Heater Specialists

Our experienced technicians understand every aspect of tankless water heater installation, repair, and maintenance—helping homeowners enjoy reliable hot water and efficient performance throughout the year.

York National Dealer of the Year
Rinnai Ace Pro
Home Advisor Top Rated
Mitsubishi Ductless Elite Pro
Nest Pro Elite
Bill’s service truck

Let’s Get Started!

Contact Bill’s Heating & A/C today for tankless water heater estimates, repairs, maintenance, and installation services throughout Boise, Meridian, Nampa, Eagle, Kuna, Caldwell, and the surrounding Treasure Valley communities.

What Our Customers Say

Posted on Google
Larry Turner profile picture
Larry Turner
Google star 1Google star 2Google star 3Google star 4Google star 5
Eddie was Great!!! On time and really went above and beyond to fit into my schedule
Posted on Google
Jim Toomb profile picture
Jim Toomb
Google star 1Google star 2Google star 3Google star 4Google star 5
Job started on time and completed in reasonable amount of time. Only one issue come up with louver motor wiring not connected at factory. This got resolved on the spot.
Posted on Google
Nancy G profile picture
Nancy G
Google star 1Google star 2Google star 3Google star 4Google star 5
Patrick and Gabe were amazing! The install went perfect, answered all my questions, I couldn't be more happy with the whole process. Will definitely refer to friends and family!!
Posted on Google
Idaho Native profile picture
Idaho Native
Google star 1Google star 2Google star 3Google star 4Google star 5
Eddie did an exceptional job and was very friendly and informative. We will keep doing business with Bill’s heating and A/C
Posted on Google
hannaloo1 profile picture
hannaloo1
Google star 1Google star 2Google star 3Google star 4Google star 5
Highly recommended very professional installers that we're thorough and took the time to install our bindoor and outdoor eqiptment paying attention to detail. I would recommend these folks to anyone. Alsonwenfou d that bills jad the best warranty and also the best financing options. Im we decided to have bills install our ac.
Posted on Google
Jeff Withroe profile picture
Jeff Withroe
Google star 1Google star 2Google star 3Google star 4Google star 5
Maverick did a great job. He was thorough, and patient. He answered all my questions.
Posted on Google
B W profile picture
B W
Google star 1Google star 2Google star 3Google star 4Google star 5
Rob was so detailed and did a very thorough job for us. No pressure, but many suggestions as to what we will need to do in the future. He left us his personal cell number for any questions. Fantastic experience. Will definitely stick with Bill’s for all our HVAC needs.
Posted on Google
Sydney McCauley profile picture
Sydney McCauley
Google star 1Google star 2Google star 3Google star 4Google star 5
Super fast and very informative! Our AC unit went out late one evening and they were there first thing the next morning!

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