O'Brien Mechanical LLC.

09/25/2026

Have you ever experienced management giving constructive criticism “yelling at employees” or spending their time sitting around and eating on the job? Our owners are ruthless but handsome. Don't report me to Human Resources, I'm the owner's mama.

07/21/2026

Happy Birthday to the man who works tirelessly for his family, is an incredible Dadda to our two boys, and proudly serves as the co-owner of O’Brien Mechanical, Alex!

To celebrate Alex’s birthday, we’re giving YOU the gift! 🎁

🎉 Birthday Special

21% OFF any service or installation completed in July!

Simply mention this post when scheduling to receive your discount.

Whether you need a repair, routine maintenance, or a brand-new heating or cooling system, now is the perfect time to save!

📞 Call or text (603) 848-1440 today to schedule your appointment before this birthday special ends.

Thank you for supporting our family-owned business. We truly appreciate every customer and are grateful to celebrate Alex’s special day with our community! ❤️

07/14/2026

Happy Birthday to the woman who keeps our family organized, plans the best events, and works tirelessly behind the scenes as the co-owner of O’Brien Mechanical, Sheila! 🎂🎈

To celebrate Sheila’s birthday, we’re giving YOU the gift! 🎁

🎉 Birthday Special
✅ 7% OFF any service
🔧 14% OFF any installation

• Job must be scheduled during the month of July.
• Work must be completed by August 31, 2026.
• Mention this post to receive the discount.

Whether you need a repair, maintenance, or a brand new system, now is the perfect time to save!

📞 Call or text (603) 848-1440 today to schedule your appointment before this birthday special ends!

Thank you for supporting our family-owned business and helping us celebrate Sheila’s special day! 🩷

07/04/2026

The O’Brien Management Team (our toughest bosses 😎) would like to wish everyone a safe, happy, and fun-filled 4th of July! 🇺🇸❤️🤍💙

We hope your day is filled with family, friends, laughter, and unforgettable memories. Stay safe and enjoy the holiday!

06/27/2026

We truly appreciate everyone's support! Please feel free to let us know your town and state in the comments. It's always wonderful to know where you all are from.

06/26/2026

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.

Our family is just like yours — we often struggle to get everyone to look in the same direction for a family picture. But those moments are what make our memories special! 🥰

06/22/2026

If you haven't already, subscribe to Cap City Buzz.

We are running a special for Cap City Buzz readers: get 10% off any new installation when you mention you saw us on Cap City Buzz.

https://capcitybuzz.com/?fbclid=IwRlRTSASlb5ZleHRuA2FlbQIxMABzcnRjBmFwcF9pZAo2NjI4NTY4Mzc5AAEeFqhoeim8dThEIJJZr_3T9IGRe2Gr7YUw_usJ1AHa_zd3JNxRetOIOjYEi7Y_aem_z13v9VNIr8WI6YzB4czaWA

05/30/2026

O’Brien Mechanical is a family-owned and operated HVAC business serving Southern New Hampshire. Our motto is simple: “Neighbors helping neighbors.”

We are honored and excited to sponsor a baseball field in Bow and support the amazing young athletes.

A fun coincidence—we didn’t realize when we chose to sponsor the field that it was the very same field where our son plays T-ball! It makes this sponsorship even more special and meaningful for our family.

We look forward to cheering on all the players this season and continuing to give back to the communities that support us. ⚾

A big thank you to Steve Yeaton for creating our new logo and banner!

05/16/2026

05/16/2026

While Alex is on the roof fixing Arnie's Place hood vent motor to get the grill up and running stop by to get yourself a sweet treat (Alex not included 😁).

O’Brien Mechanical is always a call/text away if you need help. Reach out anytime, (603) 848-1440.

We are neighbors helping neighbors.