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They NSW018 (envision water heating) is a separate system than the 5 Series so each can idependantly come on. We have pump slaving setup on the 5 Series so that the NSW can turn on the flow center by...

I know I have posted about the WaterFurnace NSW systems before since everybody recommends a desuperheater but the desuperheater in most cases only performs 30-40% of the homes domestic water heating...

We have used the headers once when we were working with a vertical driller and he had the headers and iron. The are pretty sweet, work great and install very nicely, downside is you do need a new...

Lets clear up some confusion here, first of all the $4,000 for the 80 gallon tank is a great deal, what the OP forgot to mention is that the 80 gallon tank ALSO comes with a NSW018 dedicated ground...

Its a 50X100 lot that we installed a 3 ton horizontally bored geothermal ground loop on. Ground loop is connected to a WaterFurnace Series 5 ground source heat pump with a TPCC32U01 energy monitoring...

Where is your home located? What's the insulation like. What types of windows?
It could just be that your current unit is old and not running at capacity. I know this may sound counter intuitive but...

Why are you putting in a bigger unit? Bigger AC is actually worse for performance, cost, comfort and humidity in 99% of homes. Does the current 3 ton not cool the home? Did anybody perform a load...

I show all parts of Minnesota have design conditions in the negative so an air source heat pump will not run much since most don't do well below the 20 degree range unless you put in an Invertor heat...

Have you asked to size down at all? I show your design condition to be 8 degrees and with 1500 sq feet I can't see why a 60K would not be more than enough. Keep in mind if your house only needs 35k...

Model number of XV80 should be TUD2C100A9V4

Gerald, I own Sky Heating locally here in Portland, you can either email me travis at skyheating dot com or take a look at our website www.skyheating.com for our phone number and we can have somebody...

What is your cooling load? Cooling load can be very important in determining loop size even in heating dominant climates. I did some VERY rough calculations and came up with 2,500 feet or boring...

How would you have done it different? We are required by code to wrap it with that black UV tape. We could have maybe put a 90 or two but a smooth bend flows better than a street 90 or other and the...

I do see the knockouts, I don't know why the guys didn't go through them, I will have to ask because I am hoping there is a good reason for it. This was our first one and the factory rep who was...

This is not a ceiling mounted cassette, this is an actual ducted air handler, many don't even know that these exist but they are up to a 12 HSPF and can heat with no backup electric to about 5F...

If you do not know the equipment you should probably call in somebody that does, hooking up gauges is usually a no-no on a geo system unless tech support tells you too. As others said heat of...

The big question to ask is WHY. They should be providing some sort of data showing that your downstairs needs more airflow or needs more BTU's than what it is currently getting. If the ductwork is...

Have you called any distributors to see if you can rent one?
In my area there is a distributor that rents a flush cart for $100 for 3 days of use if you have an account with them.
We bought our...

If possible you might want to look into a zoning system that will allow you to set the temperature on each floor of the home. Its hard to say what ductwork would or would not help your home since we...

They installed a bypass? I have never had to do that with the intellizone panel like old solar guy pointed out. Something else is wrong here.
The NDV072 is a large unit, was this a retrofit or new...

First of all, that is not a WaterFurnace problem that is an installation problem. It sounds like you have issues with your ducting, because if your ducting is to small or to large for a zone it will...

Nest... HATE IT especially if any style of newer system like dual stage or dual fuel.

Well I would size a 5 ton WaterFurnace variable capacity 7 series and /thread

But since you don't have that option I would personally oversize the cooling and try to meet heat load or get close to...

The only way to know if it will heat your house is having a manual J load calculation to verify heating and cooling sizing. I have never heard of comfort aire so it sounds like an off brand to me but...

Make sure the 70K Furnace has a 4 ton blower drive on it. Many contractors will not match up the airflow of the furnace to the AC. I know a lot of brands do not have a furnace that small that has a 4...