Originally Posted by Square Eye
It would be worth a $100.00 to know exactly what you need.
This is a problem about
Expected value of perfect information - Wikipedia, the free encyclopedia
The EVPI for an online home heat loss calculator [Manual J] seems to be $49, or at least that is what people are willing to pay.
The HO still has to fix the HVAC problem if there is one, but at least he/she has some assurance that the fix will work and give comfort and energy savings in the future.
I guess I'd first run through the few possible options listed here and allow for reasonable expansion. Then have several electricians bid on these same options.
To get five over-the-phone bids you might have to call two dozen contractors. If nothing else, you may be able to narrow the list of candidate contractors.
For each option, your phone or in-person bids should look something like this
with a and f being outliers and c being the true cost.
We had a screened porch done by people who were licensed, etc., etc., blah, blah, blah. The wiring conduit didn't look right so I looked in the NEC and it said the packaging tells if it can be used in a dry, damp or wet location. Well, the packaging was gone, so I found identical stuff in a store with the packaging intact and it said "dry location."
I also tested for GFCI protection using a small incand. bulb. It failed that test too.
Comes inspection time.
I can see the inspector looking at this conduit and shifting his weight from one foot to the other. Clearly the guy had a dilemma. I then asked him if this conduit wasn't for a damp location.
Well, that broke the dam. He wrote up that electrician from A to Z and the guy had to come back and redo.
Why did the inspector have a dilemma? Maybe this \/ from Wikipedia
"Regulatory capture is a term used to refer to situations in which a state regulatory agency created to act in the public interest instead acts in favor of the commercial or special interests that dominate in the industry or sector it is charged with regulating. Regulatory capture is a form of government failure. . ."