Killen Mechanical

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Killen Mechanical Here at Killen mechanical we specialize in sales, Service, and repair of any and all heating and air conditioning systems.

10/22/2026

For us, it’s a service call. For the customer, it’s getting back to their day.

This system is running again, helping keep the space comfortable for the people working there and the clients coming through.

That’s the part of a repair that matters beyond the equipment.

Follow Killen Mechanical for more real jobs around the Tri-Valley.

10/22/2026

A day in the 90s is a rough day to be without AC. ☀️

On this Tri-Valley service call, Josh got the customer’s system running again so they—and their clients—could stay cool throughout the day.

AC giving you trouble? Visit KillenMechanical.com to request a free quote.

CSLB License Number 1034453

10/22/2026

The motor is running. But is the AC cooling?

That’s one of the things Josh checks before calling this service visit finished. Then it’s the little details: tidy up, secure the wiring, and double-check the work.

Follow Killen Mechanical for real service calls around Livermore, Pleasanton, and Dublin.

10/22/2026

Getting it running isn’t the cue to pack up.

There’s still cleanup, securing the wiring, and checking that the unit is cooling before Josh leaves.

The finishing details might not be the dramatic part of a repair, but they’re part of the job.

Follow Killen Mechanical to see what happens beyond the replacement part.

10/22/2026

This is why Josh doesn’t mind the early calls. 🌅

Cool morning air. The sun coming up over the Altamont. A little peace before the workday picks up.

Are you taking the early shift for this view, or hitting snooze?

Follow for more days on the job with Killen Mechanical.

10/22/2026

The rooftop comes with the job. The sunrise is a bonus. 🌅

An early service call in Livermore, tools out, and a quiet moment before getting back to work.

Follow Killen Mechanical for a look at the work—and the views—behind keeping the Tri-Valley comfortable.

10/21/2026

One turn of the fan gives Josh a clue. 👀

Before the new motor goes in, there’s a problem to investigate.

On this rooftop AC service call in Livermore, Josh checks the fan motor and points out resistance as he turns the blade. Next comes removing the fan blade and motor—the work behind the repair that homeowners rarely get to see.

These videos bring you onto the job with us: what we’re checking, what we’re finding, and what happens next.

Follow Killen Mechanical for real HVAC service calls and straightforward explanations from Josh.

Need help with your heating or air conditioning? Killen Mechanical serves Livermore, Pleasanton, and Dublin. Send us a message or visit KillenMechanical.com to request a free quote.

CSLB License Number 1034453

10/20/2026

That hole has a job. 👀

Josh walks through the planned duct route into the upstairs closet to serve two bedrooms and bathrooms. This is the planning stage—follow along to see the work come together.

Follow Killen Mechanical for more behind-the-scenes HVAC work.
Serving Livermore, Pleasanton & Dublin.
KillenMechanical.com
CSLB License Number 1034453

DublinCA

Address

849 East Stanley Boulevard Ste 270
Livermore, CA
94551

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 5pm

Telephone

+19253640981

Website

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