I am not sure how to take your questions and answers Franco.
Today’s heat pumps are not what they were in the 1970s anymore!
I agree back in the day 20° was a struggle.
Today’s systems have variable speed compressors,…"
"Eric and David you may find this laboratory study of real world dirty AC coils brought in to the lab and studied how they worked. They tested the dirty air conditioners, then washed them thoroughly with a garden hose and tested again. They also used…"
"“The magnitude of the outside-inside delta-T has no bearing on the amount of work done by a heat pump over a given period of time. “ I disagree the inside outside delta is directly proportional to the number of BTUs required to maintain…"
"Please share this “news of failure rates tied to high heat days” Where did you get this “news” from is this data anecdotal or statistically?
The cold climate heat pumps IE hyper heat models are almost two stages systems with…"
"That black spot looks to me like someone was sloppy with their torch while working on the copper pipes and burned the PVC.
The first pipe does look like CPVC I do not recall seeing CPVC listed as approved vent in any instructions. The way PVC cement…"
"Read the instruction manual closely. You should find limits for the size, length and number of bends allowed.
You may want to look inside the pipes, small animal have been known to crawl in and die.
Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!
Don't forget to add your profile photo and be sure to put your location on our Member Map!
Making the Value of Energy Efficiency Visible in Real Estate - CEUs - part1of2
When homeowners make improvements to their homes, the most important aspects of home performance —safety, comfort, energy efficiency, durability, and environmental impact…