Danny Ching Fu Chang

Owner · Danny Chang And Associates · HVAC · Orange County · CA

Emailed — · Texted —

CSLB License Master, CLEAR, updated 2026-10-05

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None yet.

Email

24 hours

Email · This week's change-outs

Danny,

Name and number after the homeowner asks. You do not quote.

Nathan Petty
760-916-0235

Danny, Nathan Petty, 858-224-3061. Any change-out this week where they asked?

48 hours after the second

Email · One intro

Danny,

If this week is quiet, no need to reply.

Nathan Petty
760-916-0235

Danny, Nathan Petty, 858-224-3061. Still fine to send one name.

1 week from the first

Email · Last note this week

Danny,

Last note. We will not show up at the install.

Nathan Petty
760-916-0235

Danny, Nathan Petty, 858-224-3061. Last note. Name and number only.