What is a TXV?

A TXV is a thermostatic expansion valve that meters refrigerant into the evaporator coil, opening and closing to hold superheat steady as the load changes.

What TXV means

A TXV is a thermostatic expansion valve that meters refrigerant into the evaporator coil, opening and closing to hold superheat steady as the load changes.

Also called thermostatic expansion valve, metering device.

Where it matters on a HVAC job

A sticking TXV can look like a low charge. Check superheat and subcooling together before adding refrigerant, and write both readings on the ticket.

What it costs

For TXV, the closest koira.ai price is the aC repair cost guide, near $400 for a typical job and $210 to $640 for most. The guide shows its sources and what moves the price.

Work it out

Built for HVAC shops. Start with a free AI report.

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Standard⚡ Turbo
● Koira did it● You by hand
Today $9,300$8,100 / $1,200
This week $25,050$18,570 / $6,480
This month $69,300$46,150 / $23,150
Money, just now
Reminded Sean Love, $1,850. Polite reminder with the pay link.
Bids, 9:44 am
Nudged Dana on the kitchen bid. Day 3 follow up. She opened it at 9:12.
Convos, 9:41 am
Texted back a missed call. Walk through booked Thu 10:00.
What Is A TXV? HVAC Term Explained | Koira