24/7 Emergency Line: 720-531-2954
6778 N Franklin Ave, Loveland, CO 80538


Tankless Water Heaters

American Plumbing & Sewer, LLC provides you with over 50 years of experience.  We are a small, locally owned and operated business that does not work on commission. We offer Navien tankless water heaters with installation starting at $4800.  We are proud to be a 5-star rated company located in Loveland, CO.

Give us a call today and let us know how we can help you with all your tankless water heater needs. 

FAQ on Tankless Water Heaters – Have more questions?  Give us a call we are always happy to help. 

Q – How long does a tankless water heater typically last? 

A – A tankless water heater typically lasts around 20 years. When American Plumbing & Sewer, LLC installs your new Navien tankless water heater we will go over with you in detail the best way to maintain and prolong the life of your tankless water heater.  

Q – How often do I need maintenance on my Tankless Water Heater? 

A – You will want to have the tankless flushed once a year to prevent scale build-up in the heat exchanger and to clean the water and air filter.  At American Plumbing & Sewer, LLC, we offer yearly maintenance at a very affordable price. Give us a call to get this scheduled for you.  

Q – How long does it take to install a Tankless Water Heater?

A – The average install time on a Navien 240A2 tankless water heater is 6 to 8 hours depending on if it is installed in a basement or a crawl space. American Plumbing & Sewer, LLC has over 50 years of experience and are experts at efficiently installing and removing the old unit, and always leave your home in perfect condition.    

Q – I currently have two smaller TWH can this be replaced with one larger one?

A – Yes you can replace 2 older tankless with just 1 tankless. Many builders were installing 2 units in larger homes but the new Navien Tankless Waters Heaters have more BTU’s than typically we find in the two older units combined.  Give us a call to schedule a free consultation and we can go over your best options.

Q – Why is American Plumbing & Sewer, LLC estimate so much lower than the competitors? 

A- American Plumbing & Sewer, LLC believes that we can offer the best service, and best products on the market at amazing prices by keeping the company from expanding too large and ensuring that the owners take time to go to every home to meet and work for that customer. Referrals are our #1 source of new business for us. We understand that there is a fair price for our services and that price must also be fair to our customers. We take great pride in being able to offer our customers FAIR pricing with exceptional customer service. Please check out our reviews and call us with confidence – We are here to help. 

Q – Will you dispose of my old TWH? 

A – We always dispose of the old products that we are replacing. We know that having any work done in your home or office can be stressful and we always take the extra effort to leave our work area clean and safe. 

Q – Do you only offer Navien Water Heaters? 

A- Yes we only offer the Navien 240A2 tankless water heater. This product has proven to be very dependable for the customers. With our over 50 years of experience, we have the knowledge and expertise to know what works best and what the finest quality products are. We have done all the research for you and are proud to offer Navien Water Heaters exclusively. 

Q – I have a regular water heater now am I able to switch to a TWH? If so what is involved? 

A – Give us a call to set up a FREE consultation. You can switch from a tanked standard water heater to a tankless one. We would need to come to your home and see where the venting could be run to and where the customer would like it installed at, also we would need to do a load calculation on the gas line to determine if we can use the existing gas line or if we need to install a new one from the meter. 

Q- Do you offer a warranty on your TWH? 

A – Yes the warranty on the Navien 240A2 tankless heat exchanger is 15 years, and the parts are 5 years, also we match the manufacturer’s warranty with our labor warranty. We will go over this with you in more detail at the time of your appointment.  

NPE2 Unit Novents


Navien NPE-240A2 simply a smarter hot water system for today’s life styles

Navien…the proven leader in condensing tankless, makes it even easier to install and set up with the new NPE-A2 series

  • Max Input: 199,900 BTU/h
  • Indoor or Outdoor Wall-hung
  • Residential/Commercial
  • EZNav™ multi-line control with built-in intuitive software
  • 1/2″ gas pip capable up to 24′
  • Field convertible gas system
  • Ultra condensing efficiency
  • Dual stainless steel heat exchangers
  • Low NOx emissions (20ppm)
  • SCH 40, 2″ venting up to 75′
  • Cascading capable
  • EZNav multi-line control panel
  • Common vent up to 12 units


Built-in recirculation system

Navien’s patented ComfortFlow® system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater, resolving the cold-water sandwich effect* and issues of minimal flow rates commonly found in other tankless water heaters.

The built-in recirculation pump allows the NPE-A2 to recirculate water either through an external recirc line or through existing supply lines while using NaviCirc®, without the need for external pumps or controls.


Multi-line control with built-in intuitive software

Navien’s new backlit EZNav™ control panel uses simple text and icons to make set up, operation status and troubleshooting faster and easier than ever before.

  • Self-diagnostics.
  • Displays temperature and water flow rate.
  • Displays status of cascade operation.
  • Convertible display from °F to °C.
  • User Friendly Interface.
  • Easy setup.

Water Heater Flush


We recommend regular maintenance on your water heater once per year to help prevent sediment buildup from hard water.



We recommend regular maintanance on your tankless water heater to breakup mineral accumulation that can eroade the walls of your tank’s heating chamber.


Turn Your Large Project Into An Affordable Monthly Payment