Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
SevenSigs
on Aug 23, 2021
|
parent
|
context
|
favorite
| on:
How can we make air conditioners more efficient? [...
if your AC is ~10 years old... just replace it and you will probably get > 33% efficiency gains
Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
