O'Brien Mechanical LLC.

O'Brien Mechanical LLC. O'Brien Mechanical LLC. is a family-owned and operated HVAC company serving residential and commercial customers in New Hampshire, Maine, and Massachusetts.
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We are neighbors helping neighbors!

Some of you may know the personal meaning behind our logo. If you do not please let me share. The 4 mini shamrocks symbo...
03/09/2026

Some of you may know the personal meaning behind our logo. If you do not please let me share.

The 4 mini shamrocks symbolize the owners Sheila and Alex and their boys Colton and Dalton.

The leaves on the 4-leaf clover are for Sheila’s late parents, Betty and Bryce, Sheila’s late best friend, Dawn, and Alex’s late Uncle Paul.

Sheila and Alex would like to recognize Steve Yeaton for creating our new business logo and the stunning banner image fo...
03/09/2026

Sheila and Alex would like to recognize Steve Yeaton for creating our new business logo and the stunning banner image for the Bow Athletics Club Spring season.

Steve’s primary focus is building websites and helping businesses grow through SEO (Search Engine Optimization). If you’re looking for someone to elevate your online presence, feel free to reach out to him—you won’t be disappointed.

Thank you, Steve, for your hard work, creativity, and promptness. We truly appreciate it and will happily refer others your way!

If you don't remember the last time your system was cleaned, Please call/text us asap, (603) 848-1440!!!We understand li...
02/13/2026

If you don't remember the last time your system was cleaned, Please call/text us asap, (603) 848-1440!!!

We understand life happens and time flies by. That's what happened to this family. They had a baby and didn't realize until they started smelling something burning that they forgot to get the yearly service. We were called immediately and dropped everything to help them late at night. Please don't hesitate to contact us before it's too late.

We are neighbors helping neighbors.

With tax season upon us, now is the perfect time to invest in home comfort upgrades. Treat yourself to a high-efficiency...
02/03/2026

With tax season upon us, now is the perfect time to invest in home comfort upgrades. Treat yourself to a high-efficiency mini-split, a new furnace, or a boiler. Ask us about available rebates through NH Saves.

Schedule for a free quote. Give us a call/text at (603) 848-1440. We are, “neighbors helping neighbors.”

Our family is here to help yours. Or as we like to say, “we are neighbors helping neighbors!”Never hesitate to call/text...
02/01/2026

Our family is here to help yours. Or as we like to say, “we are neighbors helping neighbors!”

Never hesitate to call/text us at (603) 848-1440.

The owner of the images granted permission for our usage.

02/01/2026

Alex rushed to a daycare after a heat pipe burst. Despite being soaked, cold, and exhausted, he spent hours fixing the issue so the children could return to a safe, comfortable environment on Monday morning.

Never hesitate to call or text us at (603) 848-1440. Our family is here to help yours. Or, as we like to say, “we are neighbors helping neighbors!”

The owner of the images granted permission for our usage.

Are you thinking about a mini-split or a new water heater?Call or text us for a FREE quote on mini-splits and electric o...
01/09/2026

Are you thinking about a mini-split or a new water heater?

Call or text us for a FREE quote on mini-splits and electric or gas water heaters!

Ask how you could qualify to save even more money!

Can you help us with a quick favor?Please click the three dotsh*t “invite friends,'then "invite all."You just supported ...
12/12/2025

Can you help us with a quick favor?

Please click the three dots
hit “invite friends,'
then "invite all."

You just supported our small business at no cost, thank you!

We value your referrals, as everyone knows someone who needs our services. Your support means a lot.

Happy Thanksgiving from the owners of O’Brien Mechanical!!! We would like to wish everyone a safe, healthy, and happy Th...
11/27/2025

Happy Thanksgiving from the owners of O’Brien Mechanical!!! We would like to wish everyone a safe, healthy, and happy Thanksgiving.

🎉 Black Friday Deal!
Get 25% OFF cleaning or installation services with a booking for 2025 or 2026. Valid until 12/31/25. You must mention this ad for the discount. Don’t miss out call/text (603) 848-1440!

Colton: “AHHH it's getting cold outside!”Dalton: “Dad can you help service people's heatorators to keep them warm?”Give ...
11/25/2025

Colton: “AHHH it's getting cold outside!”

Dalton: “Dad can you help service people's heatorators to keep them warm?”

Give us a call at (603) 848-1440 if you haven't had your system cleaned this year or if you don't remember when it was last maintained.

It’s mini-split season! We have installed 6 units within the last 3 months. Call or text (603) 848-1440 and ask about o...
11/10/2025

It’s mini-split season!

We have installed 6 units within the last 3 months. Call or text (603) 848-1440 and ask about our special mini-split discount.

We're here to help you stay comfortable!

Address

Boscawen
Boscawen, NH

Telephone

+16038481440

Website

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