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Fire crews on rooftop investigating odor of natural gas from rooftop unit RTU1; heat systems shut down and source identified then secured., Merrimack NH

Heads up: This post was detected from real-time dispatch audio. Information may be incomplete, and the situation may evolve. Always verify using official agency releases.

Fire & Arson

Reported: 12/15/2025 05:27 PM

Merrimack, NH

According to the dispatch call, fire crews on rooftop investigating odor of natural gas from rooftop unit RTU1; heat systems shut down and source identified then secured.

Audio|Heard on: Merrimack Fire

Listen to dispatch call

02:28

Transcript:

00:00

Rooftop to command.

00:05

We're not seeing anything obvious up here.

00:09

Everything seems to be cool, no smoke.

00:16

Freezer.

00:21

Rooftops to command.

00:24

Yes, God.

00:26

The only unit running is RTU1.

00:30

Everything else is cold.

00:34

We're safe. We're going to turn all beating systems on right now.

00:40

Topic. Greg,

00:46

you can probably bed to ladder.

00:47

You need to set up a parapet ladder to get access to this.

00:55

Okay,

01:01

man, did you activate all the heat?

01:07

We do have a small odor of natural gas up here,

01:13

trying to identify the source.

01:20

This is...

01:21

Command, can you shut down the heat, please? We think we identified as RTU 1.

01:27

We'll shut it down.

01:37

Command, a truck one.

01:42

Go ahead.

01:44

Be able to shut off that individual RTU up there.

01:51

We can shut the gas and the electric off to it, yes.

01:57

Here's me, thank you.

02:03

We've completely lost the odor, we don't know where this is coming from now.

02:11

Hey man, do you want us to shut off any units at the moment?

02:17

No, just the one that you think is bad.

02:24

RTU1 is shut off, gas is shut off as well.

02:28

Chris.

Disclaimer:
This transcript was automatically generated and may contain inaccuracies. Please verify the information independently.

Location mentioned:

Merrimack, NH

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