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Looking for your thoughts on the use of an AirGenerate water heater that preheats the water before it hits a Marathon water heater that boosts the water temperature to 120-130 degrees Fahrenheit. The...

It may not be your water heater after all that's causing the issues. What are your water pipes made of? If you have galvanized pipes or are using well water you may have junk in the pipes that...

You should get a gas water heater with minimum 0.67EF (energy factor). This is the requirement for ENERGY STAR. Rheem has a few good models around. The least expensive is an XR90 with first hour...

Floor clean-out with backflow valve on the main sewer line?

Interesting thought - the heat exhanger is made of copper....not sure how this would oxidize....I think it is sediment. The water flow stops, it sits for sometime, the sediment settles in the water...

In German the same idiom is used except we say "two idiots - one thought". Haha. :-)

If you want to swap to an electric water heater you should consider getting a heat pump water heater. Operating costs are similar to a gas water heater. Manufacturers such as GE, AirGenerate, and AO...

If you want to swap to an electric water heater you should consider getting a heat pump water heater. Operating costs are similar to a gas water heater. Manufacturers such as GE, AirGenerate, and AO...

The tankless water heater contains some water that can settle overnight or during the day when you are not at home. It will collect at the outlet of the unit.

You can use a Rusco Sediment Filter in place. You can visually see when there is sediment build up. When it gets dirty you can drain it out. It has a valve that you can open easily from time to time....

I am aware of the program. It is good if you need to do an entire energy retrofit. I have a great furnance, insulation, etc.....I am really down to a few little things. I think that the Clean Energy...

What is on the other side of the bathroom wall? If the supply lines can be access from underneath or from the other side of the wall you can fix the problem properly.

When were the water lines...

I just found out that Energy Trust of Oregon is offering a $500 rebate on heat pump water heaters. They are limiting it to the AirGenerate water heater model with exhaust duct. This means that...

Most water heater manufacturer have an integrated heat pump water heater on the market. Some refer to them as a hybrid electric water heater - I guess that this is the hip name tag for a three...

I read up on the Rheem Marathon water heater warranty. Looks like a lifetime warranty for the original owner of the home in which it is installed. Once the home sells the warranty is reduced to 12...

You are right. I see weatherization contractors changing out natural draft gas water heaters for Marathon water heaters when they diagnose back drafting of exhaust gases in homes (not a problem for...

Wow - I assume that your customer was not a happy camper at all. I have heard that 6-year and 12-year warranty water heaters are often the same just with a different label. The water heater...

I am sick and tired of dealing with replacement of steel tank electric water heaters in rental apartments. It seems like they do not build them like they used to. The steel is either really bad or...

My understanding is that the AirGenerate Airtap is using a Panasonic compressor with fan that pushes 400CFM. There is a $1,000 rebate on this unit for installations in the Pacific Northwest....

Dana,

Makes sense. I would not install a heat pump water heater in conditioned space when the home is heated with electric baseboards. The ductless mini-split upgrade makes sense to get rid of...

justinae,

Retail pricing for the AirGenerate AirTap ATI50 $1,699 and ATI66 $1,999.

It should be 10-20% less expensive if you can get it through a distributor or contractor.

The Energy...

Dana,

Your insights make complete sense. My understanding for the AirGenerate AirTap Hybrid is that they are supposed to be adapted to colder climate conditions. I completely agree that they can...

Rheem Marathon water heaters are awesome. I have used them in my rental properties. You install them once and never have to mess with tank failures again. The only things that need to be replaced...

There is a new water heater manufacturer in the United States that is building cold climate, all in one, heat pump water heaters. AirGenerate has developed a heat pump water heater that can generate...