The HFCs in heat pumps appear to be pose no danger to people even when they leak.
Environment
airplane noise, carbon and climate, cell towers, land use issues, parks and recreation, pfas, waste/hazards, water issues
PFAS Definitions and PFAS Harms
This post collects basic resources on PFAS definitions and PFAS harms.
A missing number in the heat pump conversation
We don’t know enough about heat distribution patterns after whole home heat pump conversions.
The Typical Refrigerant Leak
Reviewing my recent posts about refrigerant leaks, a seasoned energy evaluator responded with an email including this extended comment which rings very true to me.
Heat pump monitoring survey
This direct survey of consumers finds leak rates higher than industry estimates.
Our heat pump efficiency revisited
With leaks fixed, the final results of efficiency measurement are pretty good for both of our pumps.