@systems_se profile picture
SE Systems @systems_se

Our mission and purpose is to transform and innovate within the energy saving industry, leaving a legacy of sustainable living for generations to come.

Joined July 2017
  • Tweets 335
  • Following 227
  • Followers 117
231 Photos and videos
⏳ 6 days to go. On 24 February, we’ll attend the @green_awards 2026 at the Clayton Hotel, Burlington Road. SE Systems is shortlisted for the Green Collaboration Award for the Douglas Lions House project. Proud to see this recognised. #GreenAwards2026 #SESystems
Row of newly renovated residential units with cream exterior walls, tiled roofs and black railings, featured in a branded SE Systems graphic announcing Green Awards 2026 – Finalist for the Douglas Lions House Project, with the Green Awards 2026 logo displayed.

ALT Row of newly renovated residential units with cream exterior walls, tiled roofs and black railings, featured in a branded SE Systems graphic announcing Green Awards 2026 – Finalist for the Douglas Lions House Project, with the Green Awards 2026 logo displayed.
1
64
Built in Cork, driven by people and purpose. This short film shares the story of SE Systems, our values, our growth, and the community impact behind 15 years of energy efficiency work across Ireland. Watch our story 👇 #SESystems #CorkBusiness @CorkChamber
3:18
1
63
Deep retrofit completed for Saint Vincent de Paul in Ballineen, West Cork. Two homes upgraded from D2 to A1 using the @SEAI_ie CEG with up to 50% funding secured. Learn how we support community projects: sesystems.ie/our-services/co… #SESystems #CommunityEnergy #EnergyEfficiency
1:40
1
56
Proud to see our CEO @JohnOle71492245 featured in this week’s CEO Q&A with @bizandfinance. Trust and respect are two fundamentals that guide how we work every day — with our team, clients, and communities. Read the full interview: hubs.ly/Q040F8d70 #SESystems #CEOQandA

CEO Q&A with John O'Leary, CEO of SE Systems

John O’Leary is co-owner and CEO of SE Systems, responsible for overseeing the company’s performance and strategic direction.

businessandfinance.com
Business & Finance
@BandF
Jan 28
“Base everything you do on two fundamentals: trust and respect." This week, John O’Leary, CEO of @systems_se, is our guest for CEO Q&A. Read the full interview: hubs.ly/Q040F8d70 #SESystems #CEOQAndA #BuisinessAndFinance
54
From a cup of coffee in 2010 to national impact today, SE Systems has grown into a national leader in energy efficiency. Proud to be named a Large Company finalist at the Cork Company of the Year Awards 2026 by @CorkChamber 🙌 #RecognisingYourSuccess youtu.be/cErDVne2AwA

SE Systems - Large category finalist, Cork Company of the Year Awards...

SE Systems - Large category finalist, Cork Company of the Year Awar...

youtube.com
1
168
Proud to support Good Shepherd as long-term sustainability partners. At Baile an Aoire, 37 homes received heat pumps, new windows and doors, and solar PV, upgrading 30-year-old homes from approx D to A1. Delivered with support from the SEAI CEG. #CommunityImpact #SESystems
SE Systems team members and community representatives standing together indoors during the Good Shepherd project visit.

ALT SE Systems team members and community representatives standing together indoors during the Good Shepherd project visit.

Table set with tea, sandwiches and cups during a community gathering at the Good Shepherd media day.

ALT Table set with tea, sandwiches and cups during a community gathering at the Good Shepherd media day.

Retrofitted bungalow with solar PV panels, new windows and landscaped garden following energy efficiency upgrades.

ALT Retrofitted bungalow with solar PV panels, new windows and landscaped garden following energy efficiency upgrades.

Single-storey home with roof-mounted solar PV panels installed as part of a community retrofit project.

ALT Single-storey home with roof-mounted solar PV panels installed as part of a community retrofit project.

1
35
Proud to be shortlisted as a finalist at the @green_awards 2026 for the Douglas Lions House project. Delivered through strong collaboration, supported by the @SEAI_ie Community Energy Grant and the SE Systems Community Fund. #GreenAwards2026 #CommunityImpact #Sustainability
SE Systems team member walking with residents at Douglas Lions House, Cork, highlighting the Green Awards 2026 finalist recognition for the Douglas Lions House community energy retrofit project.

ALT SE Systems team member walking with residents at Douglas Lions House, Cork, highlighting the Green Awards 2026 finalist recognition for the Douglas Lions House community energy retrofit project.
49
Welcome to 2026 🎉 We’re ready for another year of helping homes, businesses and communities make smarter energy choices. Better comfort. Lower energy costs. Real impact across Ireland. If energy goals are on your list this year, we’re here to help. #SESystems #SmartEnergy
Snow-covered countryside home with solar panels on the roof and warm lights glowing inside. Text overlay reads Welcome to 2026 and Supporting smarter energy choices this year, with SE Systems branding visible.

ALT Snow-covered countryside home with solar panels on the roof and warm lights glowing inside. Text overlay reads Welcome to 2026 and Supporting smarter energy choices this year, with SE Systems branding visible.
2
44
SE Systems@systems_se
24 Dec 2025
Wishing everyone a very Happy Christmas from all of us at SE Systems 🎄 Thank you to our customers, communities, partners & team for your support throughout the year. We hope your Christmas is warm, restful and full of good moments. 💚✨ #SESystems #HappyChristmas
Festive winter scene of a home with solar panels on the roof, softly lit with falling snow. Overlaid text reads ‘Happy Christmas from SE Systems’, with SE Systems branding in the corner.

ALT Festive winter scene of a home with solar panels on the roof, softly lit with falling snow. Overlaid text reads ‘Happy Christmas from SE Systems’, with SE Systems branding in the corner.
1
1
57
SE Systems@systems_se
22 Dec 2025
Santa has spoken 🎅✨ From a warmer home to a more productive workshop, this festive retrofit shows what’s possible with the right partner. Mrs Claus is delighted, the elves are thriving, and Christmas is back on track 🎄 #SESystems #YourSustainabilityPartner
Festive SE Systems graphic featuring a testimonial from Santa Claus, North Pole Operations, praising SE Systems for making his home warm and the workshop thriving. The design includes a snowy green background, sparkles, candy canes, a bell with a ribbon, and SE Systems branding.

ALT Festive SE Systems graphic featuring a testimonial from Santa Claus, North Pole Operations, praising SE Systems for making his home warm and the workshop thriving. The design includes a snowy green background, sparkles, candy canes, a bell with a ribbon, and SE Systems branding.
1
31
SE Systems@systems_se
10 Dec 2025
Santa and Mrs Claus have shared their full retrofit story. A1 comfort at home, a more efficient workshop and a low-emission Christmas. 🎅✨ #SantaRetrofit #EnergyUpgrade
2:35
1
43
A fantastic few weeks for SE Systems. We were honoured to receive the SEAI Residential Energy Upgrades Award 2025 and to be recognised at the Remy Martin Cork Business Awards for 15 years in business. Case study: sesystems.ie/our-work/dougla… #SEAIAwards25 #SustainableEnergy
73
💚 @gaa_spa is advancing vital energy upgrades with support from the #SESystemsCommunityFund. In this video, James Cahill shares how new lighting and insulation measures will cut costs and boost sustainability for the club. #GAA #Killarney #CommunityEnergy #PoweredBySESystems
2:18
1
1
206
We’re hiring a Health & Safety Advisor in Cork 👷‍♀️ Join a supportive team helping deliver safe, efficient energy projects. Ideal for someone experienced in EHS, audits, RAMS and safety training. Apply: jobs.ie/job/Health-Safety-Ad… #HealthAndSafety #SafetyAdvisor #CorkJobs
1
73
We’re hiring a Building Surveyor in Cork 👷‍♂️ Join a supportive team delivering projects that make homes and businesses more efficient. Ideal for someone who enjoys onsite work and problem-solving. Apply: jobs.ie/job/Building-Surveyo… #BuildingSurveyor #SurveyorJobs #CorkJobs
1
2
54
SE Systems@systems_se
28 Nov 2025
We celebrated our 15th Anniversary with some fun awards — from The Early Bird and MacGyver Medal to The Deadline Dodger and “Legend of the Year.” A brilliant way to recognise the teamwork and positivity that power SE Systems. 💚 #TeamSESystems #StaffAwards
1
1
34
more replies
SE Systems@systems_se
28 Nov 2025
🏆
1
1
16
SE Systems@systems_se
28 Nov 2025
1
10
SE Systems@systems_se
26 Nov 2025
🏆 Proud to be recognised at the Rémy Martin Cork Business Awards 2025 for 15 years in business! Our CEO John O’Leary and Commercial Director Jake O’Connell accepted the award at the Radisson Blu, celebrating our journey in energy and sustainability. 💚 #CorkBusinessAwards
John O’Leary and Jake O’Connell from SE Systems stand together in formal black-tie attire, smiling and holding an award plaque celebrating SE Systems’ 15 years in business. The image includes a branded banner at the bottom with the SE Systems logo and a “15 Years” anniversary emblem.

ALT John O’Leary and Jake O’Connell from SE Systems stand together in formal black-tie attire, smiling and holding an award plaque celebrating SE Systems’ 15 years in business. The image includes a branded banner at the bottom with the SE Systems logo and a “15 Years” anniversary emblem.
1
2
70
Load more