ha if I told people how I did it I wouldn't be able to do it.
Put it this way, my quotes are usually 2 - 3 pages long, printed on 180 gsm paper, then all supplementary paperwork, brochures etc. I spend around 30 - 60 minutes with a customer when quoting for a boiler. I do not email quotes, I post my quotes in a fine recycled A4 paper envelope. I take them to the post office and post them first class so they have the big gold '1st' sticker on, not stamps. Then the customer knows you actually went to the post office to post it. I wait three days before posting, even though the quote is done and packaged that night.
I never, ever give a figure at the survey. Not even a rough estimate, even though I generally know the exact price within a few minutes +/- control preferences etc. I tell them directly that I am not cheap, I won't be the cheapest. I tell them that I am the best with upmost confidence and show them pictures of my immaculate installs on the purposefully utilitarian looking iPad.
I have a pair of trousers and a work top I wear only for quoting. Not immaculately clean though; clean but just the right amount of wear to show that i'm actually a workman too.
I spend a great deal of time thinking about every aspect of my business and how I can make people view it. My overall idea is pitching myself as the reassuringly expensive option. I can really talk the talk too, which does help I think. I worked in sales before becoming a heating engineer.