Firstly let’s get this straight; Navien is a brand of tankless hot water heater not Navian.I have seen this spelled wrong many times, Navian (I googled it) is nothing, definitely not a tankless water heater.

Navien has 6 residential models (CR-180, CR-210, CR-240, CR-180A, CR-210A, CR-240A) and then 3 commercial units (CC-180, CC-210, CC-240). These tankless water heaters are all relatively similarly designed but as you go up in model number you increase the amount of hot water the tankless unit can provide.Here is a quick list of each units performance.

• CR-180 and 180A are able to provide roughly 3.8 gallons per minute with a 77 degree F rise.

• CR-210 and 210A are able to provide roughly 4.5 gallons per minute with a 77 degree F rise

• CR-240 and 240A are able to provide roughly 5 gallons per minute with a 77 degree F rise

We should definitely look at the efficiency of the Navien tankless water heater which is currently the only condensing unit on the market.This extra step gives Navien the efficiency title, currently rated at 98%, therefore 98 cents of every dollar spent on heating your water is actually turned into hot water.This is an amazing number as most tankless water heaters are 10% to 15% less efficient. Of course being the first on the block has its issues, the Navien tankless water heater is facing some problems from rubber hoses becoming blocked. This has been reported numerous time in several forums around the internet.

The good thing is that most of the other Tankless water heater manufactures are working on their own form of tankless condensing units.This should give the consumer a good choice in high efficiency water heating.

CR-180, CR-180A……Specifications Sheet

CR-210, CR-210A…… Specifications Sheet

CR-240, CR-240A…….Specifications Sheet

Navien UPDATE-2010

This write up was done in February of 2009 so its been over a year now and there are a number of alternate condensing tankless water heaters available now.   Navien was the first on the block and realistically you cant beat the price of the unit, even today its still lower than all condensing tankless units.  Sure there has been some issues regarding the system but thats to be expected from a new technology (we will be authoring a new post on all these problems and their fix, check back soon).

Navien problems and the Fix – Click here to read

If your interested in a Navien tankless water heater fill out the form below and we will contact you, there’s no obligation and at the very least you will be more informed on whether a tankless is right for you or not.

Navien UPDATE – Feb 2012

Navien has spent a lot of time reworking their tankless water heaters and removing all the bugs and issues that have plagued them in the past.  I feel more than confident in 2012 to recommend their new tankless water heaters. 

Call Toll Free 1-855-696-8265 for any questions, issues, or for Navien prices. Otherwise feel free to send us a quick message with the form below.