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I definitely can find more efficiency by adjusting the warm weather shut off that dictates when the electric boiler can turn on. I can also get thermostats that would interact with the mini splits instead of using the remotes. I have 2 multi-zone units so that’s 8 heads so a lot of thermostats...

I’m back to report everything has been working as intended and I actually reduced my year over year electric bill for February! Last year I ran exclusively on the mini splits as my oil burner was broken. It has been warmer this year but the combination of the electric boiler for the hydronic...

Great dialogue here everyone. As I mentioned the electric boiler is installed and operational. I have it linked to the Taco outdoor reset control which I can set for an electric boiler’s usage parameters (such as no minimum supply temp) and crucially I set the Warm Weather Shut Down to the mid...

Long Island is expensive. If I could, I’d live where I could not see my neighbors and had plenty of space for projects, garages, and hangars. I think that a dump load controller is a great idea. I spent a lot of time looking into DC heating elements and rolling my own. But I work a lot so my...

It is installed and operational. Just started to get colder here so it will be a little while before I understand my usage. It’s an Argo 16kw electric boiler AT164410C.

I saw one in the background of Will’s latest video but I’m surprised how silent this forum has been on this new version. Looks great.

The electric boiler is a resistive heating element with 4 x 4kw elements which are electronically controlled to stage usage but can also be individually turned off. That gives me options to cap peak usage. I’m also wiring this to the outdoor reset control which should keep boiler temps low and...

Okay, I guess I need to reply twice since your edit. As I've explained ad infinitum, I have used my multi-zone mini splits to heat and cool my home for the last 2 years with great success. I have a indoor unit in every room. The oil burner was part of the previous primary heating system. It was...

The boiler replacement is in progress this week actually. I went with the electric boiler and redesigned my plumbing around the boiler into primary/secondary hydronic loops. I also upgraded my circulators to delta T models (no zone valves, each zone has a circulator as an independent pump)...

I'll see you at the weekly support group meeting, I'll bring the cookies. Initially I was in a pickle to make a decision quickly for this winter as my heat pumps were not rated below 14 degrees F. However I found LG makes a retrofit kit that allows operation down to 0F. I installed those and...

I’ll be watching this thread with interest. At present I’m planning on a parallel Growatt setup for 240v loads only. Would be a shame not to be able to use 120v in the future. Also, the Growatt’s debatable UL compliant, certified or listed rating could also write my whole project off.

Thank you for your reply, you're not late since I haven't started! I'm am really trying to stick with the hydronic system since I put so much effort into re-zoning it and the baseboards are also all new. The heat also feels nicer than the mini splits can manage at lower temps (although my...

Thanks to everyone who has read and/or replied as I went overboard explaining at the onset. The enthusiasm behind my curiosity did not match my subject matter knowledge in order to pose an accurate question at the start. Maybe I can do better now. I was inspired by installations in which people...

Appreciate the benefit of other's experience here, for certain. Trying to avoid the buy now, figure out later chaos.

I've been looking for a solar hot water heater with AC assist, there's the Rheem units, but I believe they are targeted for domestic hot water. I could do air to water heat pump as I mentioned but then it mimics the efficiency profile of my existing air to air heat pumps which leaves a gap in...

That’s what I was here to ask. Can a battery pack, topped off by a smaller solar array, offset the intermittent, seasonal usage of a large kWh load?

The original oil burner was 110,000 BTUs. My recent Model J I did myself estimated 50k BTU considering the various improvements. The Taco outdoor reset control has very rarely gone over a boiler call for 160 degrees, but we also have not had particularly cold weather in the last 2 years where...

Thanks for presenting a solution. I know my electricity is expensive, hence my investigation into offsetting it. I was only thinking of full on gas boilers and not gas tankless heaters to feed the hydronic system. I’ll have to research that.

The oil burner is a thermodynamics unit from roughly the 1980s which on a good day is 80% efficient. I have it modulated through the taco zone controller’s outdoor reset control so it at least is not just set to 180 degrees in the winter and 140 in the summer like they were doing to the old lady...

It's more that I already have the hydronic zoning done with manifolds that I can connect a new hot water boiler to.

I read through the Direct to water heating thread, and your projects are cool. I guess I was trying to marry an off the shelf grid tied electric boiler with solar/battery/inverter to reduce peak usage by drawing from a larger sized battery which the solar had slowly charged (as I won't have room...

I understand the uptick in costs, I did mention the electric boiler being 6k less than the gas boiler and I can DIY the electric. So I could just leave it like that, saving the difference for any increase in my electric bill over time or spend the difference now to take steps to keep the...

I have a gas water heater that I'm happy with and hydronics need higher temps to heat properly than many of these setups can provide. This guy did something similar with DC heating elements in his water heater from PV: The electric boiler I'm looking at is AC and I can find DC elements like...

I keep telling myself that. But my logic that lead me here travels like this: As a primary heat source, a grid tied 16kw electric boiler would be too expensive to operate vs a gas boiler of the same BTU running full time. BUT as a secondary or backup heat source its average usage should be much...

Hello, I thought about asking this in small bits, but instead I'm dropping my whole story here in the hopes of guidance. I renovated my Long Island, NY home myself over the last 10 years from its original unimproved 1950s design. Low-E windows, every wall, ceiling, floor and the attic...