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This is impressive -- Google sheets stalls out for me all the time with data sets that are pretty small, all things considered. What was your trick for making it so much faster ins…

Neat! The mix of (a) planning trips for groups of friends and (b) opening up trips to folks you don't know is nice.

FYI, we just updated that section of the results to hopefully be clearer and, when it comes to the total lifetime savings including equipment costs, a bit more conservative.

This is really good feedback, thank you -- the "$24k" number is something we're going back to the drawing board on, we're reaching too much there. That number includes the capital …

Great suggestion -- HPH was a stab at making more sophisticated tools like that more approachable for homeowners, but for folks able and inclined to use the more powerful software …

Hi! Yes, couple of primary things that would drive that answer: 1/ Right now, if you select "No A/C", we still include the cost+emissions of cooling from the heat pump. It's on the…

Hi! Yes, the simulation is all server-side. It does take a while today -- we aren't using the beefiest machines for the site, but even locally it's a >5s process. Some of the thing…

You may or may not need backup heat, it depends on your particular home. Heat pumps DO still capture heat below freezing and down to temperatures much, much lower than they used to…

I'll take a look back at the residential energy consumption survey and the exact distributions. The Manual J (industry standard approach to load sizing) uses 70 dF for heating and …

This is helpful -- we need to do a better job of guiding folks through a more complex set-up like you're describing. You're right that it's easiest for folks with centrally ducted …

Roger that! We're hearing the desire for hydronic / air-to-water systems and support for Europe / elsewhere from a few different places, so this is helpful. Note for those in Europ…

Thanks for the feedback! We can make those sliders better, thanks for the suggestions. Yes, unfortunately we haven't seen great resources for the rest of the world, either. The sam…

Big plus to ground-source here! Everything shown on the site today is air-source only.

There are definitely still places in the U.S. where air-source heat pumps aren't economical. That said, two big things for most folks to keep in mind: 1. Air-source heat pumps are …

Thank you so much! It was a truly great learning experience, and definitely more to go.

I am as well. I started out my own journey convinced that we should keep our existing high-efficiency gas furnaces for backup heat, but when we finally did the math, it would have …

I'd suggest asking the folks at https://lun.energy , to start. You're right that our site doesn't yet work for homes outside of the US, unfortunately. The approach would be similar…

Aha, thank you!!

Hi HN -- We’re Baker and Calvin, two heat pump nerds who are really excited about home electrification and its impact on climate change. During our explorations, we realized really…

Re: getting away with a bad stride --Not without certain injury, if you're putting in significant miles.

Running is a skill sport. You have to practice, improve and maintain your stride just like a golfer does their swing. In my experience, treating running like a skill sport has gone…

It's out of print now, but "Hard Drive" by James Wallace and Jim Erickson tells it: https://www.amazon.com/Hard-Drive-Making-Microsoft-Empire/dp...

Amen!

Plaid also supports Canadian institutions as of this year, with coverage continuing to expand.

I'm honored