Field Notes
What shows up in residential mechanical proposals — what the numbers mean, and what to ask when one of them doesn't add up.
Featured
The efficiency figure on your heat pump quote is probably the best number anyone in that equipment's family has ever posted — and probably not yours. The real one is printed on a certificate, and two quotes for the same machine just showed us why.
Quotes
Three government permit datasets, six years, and the same finding in all of them: the middle half of one job shape spans more than double. Here is what that means for the quote on your kitchen table.
Nameplate
Every furnace, condenser, and water heater carries a label stamped with the one part of the deal nobody can round off. Here is how to actually read it.
Have a proposal in hand right now?
Skip the reading list — paste it into the Quote X-Ray and see where every line stands.
Run the Quote X-RayFree beta — no account needed.
One piece at a time on reading mechanical quotes. No sales pitch, and no contractor referrals.
Powered by Buttondown. We promise we won't send you nonsense. Unsubscribe any time.
