ssuds

4 ms·

1.
by ssuds 13d ago
Tiny! Like <4”. It would be near impossible to design something spinning so fast at a larger diameter
2.
by ssuds 14d ago
Yup, you nailed it. This is exactly what I meant when I said “tearing themselves apart”
3.
by ssuds 14d ago
In a past life I worked on a rocket engine turbopump that spun at 160,000 RPM. It’s crazy to visualize how fast that is. The stresses in the metal are so high that we needed speciality alloys made exclusively for us. The parts are literally
4.
Company Knowledge in ChatGPT (Business, Enterprise, and Edu)(help.openai.com)
3 points by ssuds 1mo ago|1 comments
5.
by ssuds 2mo ago
This is where my mind went: https://xkcd.com/927/
6.
2026 will be a HVAC contractor bloodbath(reddit.com)
4 points by ssuds 4mo ago|1 comments
7.
What's the best heat pump brand?(old.reddit.com)
2 points by ssuds 4mo ago|0 comments
8.
Heat Pump Guide – Everything You Need to Know(guide.heatpumped.org)
3 points by ssuds 6mo ago|0 comments
9.
The Heat Pump relay race(heatpumped.org)
1 points by ssuds 8mo ago|0 comments
10.
Business Model Innovation: Concierge heat pump companies make it easy(heatpumped.org)
1 points by ssuds 9mo ago|0 comments
11.
From Rockets to Heat Pumps(heatpumped.org)
12 points by ssuds 10mo ago|10 comments
12.
Practical, Scalable Solutions to Heat Pump Adoption Barriers(heatpumped.org)
3 points by ssuds 10mo ago|0 comments
13.
We Have a Human Problem(heatpumped.org)
3 points by ssuds 11mo ago|1 comments
14.
by ssuds 11mo ago
>The price has remained relatively stable over the past 20 years Not really, natural gas has immense exposure to geopolitics and the commodity markets: https://www.iea.org/commentaries/what-drives-natural-gas-pri...
15.
by ssuds 11mo ago
The median home in the SF Bay Area is $2M, so given that this thread is focused on California I think it’s a reasonable number to anchor on… https://www.sfgate.com/realestate/article/bay-area-metro-are... Even if
16.
by ssuds 11mo ago
Ha. It's not straight labor. So much other overhead to consider - workman's comp insurance, back office staff, technician utilization, vehicle repair and maintenance, etc... There are lots of other costs that get baked in when you
17.
by ssuds 11mo ago
Quality control by the contractor is soooo important. Formicary corrosion like you described can happen if a contractor doesn't pull a proper vacuum on the system to evacuate moisture before releasing refrigerant. I saw an anecdote whe
18.
by ssuds 11mo ago
I presume you're not in the US - the numbers you quoted here align with the costs I observed for heat pumps in India ( https://www.heatpumped.org/p/you-can-have-it-in-any-color-as... ) Skilled labor in the US is exp
19.
by ssuds 11mo ago
The first point is very valid too. There was an energy commission study a few years ago, and up front cost is pretty consistently one of the biggest barriers to heat pump adoption. I think there's some nuance to that, though. Even repl
20.
by ssuds 11mo ago
I wrote an op-ed in the SF Chronicle a few months ago about electricity costs in California holding back electrification, it's a real challenge: https://www.sfchronicle.com/opinion/openforum/article/heat-
21.
by ssuds 11mo ago
I just wrote a big thread yesterday responding to someone with similar concerns to yours ( https://bsky.app/profile/shreyassudhakar.com/post/3m3w3nra2h... ). Copying it here if it's helpful to other folks.
22.
by ssuds 11mo ago
Hey Paul! Good to see ya on here. I'm in a Facebook group of small HVAC contractors, and recently there was a conversation about who is installing heat pumps vs traditional ACs and furnaces. I was thrilled to see that most were saying
23.
by ssuds 11mo ago
Yes! Also often referred to as "Reverse Cycle Air Conditioning" in Australia
24.
Harnessing America's heat pump moment(heatpumped.org)
243 points by ssuds 11mo ago|555 comments
25.
Active Heat Pump Group Buys / Pre-Negotiated Offers (US, Canada, International)(old.reddit.com)
9 points by ssuds 1y ago|0 comments
26.
How California energy policy is holding back a game changing climate technology(sfchronicle.com)
1 points by ssuds 1y ago|0 comments
27.
Control over My Airconditioning/Heatpump(firesphere.dev)
2 points by ssuds 1y ago|0 comments
28.
NYC's Urban Textscape(pudding.cool)
1 points by ssuds 1y ago|0 comments
29.
by ssuds 1y ago
Brendan Ballou’s book “Plunder” is an excellent read about the effects of private equity across industries, if you want to go deeper on the topic. I recently had him on my podcast talking about the effects of PE in HVAC. There are quirks in
30.
The Retrofit and the Built Environment Starter Pack from Heat Pumps to Financing(climatedrift.substack.com)
1 points by ssuds 1y ago|0 comments

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