B2
Avg. BER Improvement
4.9/5
Customer Rating
127+
Completed Projects
98%
Would Recommend
See what Cork homeowners and businesses say about working with CEL Energy. Every review is from a verified customer.
Insulation, heating upgrades & full retrofits
"Our house went from a D2 BER to B2 after the full energy upgrade. The lads explained everything clearly and left the place spotless each day."
Michael & Joan
Ballincollig, Cork
"Heat pump installation was done in two days. Our gas bill dropped by €180 per month. The crew were punctual and professional throughout."
Patrick
Glanmire, Cork
"Had attic and wall insulation done. The house is noticeably warmer this winter and we haven't had to turn the heating up once."
Ann
Carrigaline, Cork
"Switched from oil to heat pump. The lads handled all the SEAI paperwork. Couldn't believe how straightforward the whole process was."
Seán & Mary
Bishopstown, Cork
PV panels, battery storage & hybrid systems
"6kW system installed on our south-facing roof. We're generating enough power to run the house and charge the EV. Haven't paid an ESB bill in four months."
Derek & Fiona
Douglas, Cork
"Wanted to go off-grid as much as possible. The battery storage means we use 85% of the power we generate. installation was clean and quick."
John
Rathcormac, Cork
"Had panels fitted to a tricky roof angle. The team found a solution that maximized output. Very happy with the results."
Niamh
Midleton, Cork
"Got three quotes and CEL Energy wasn't the cheapest but the equipment quality and the warranty backing gave us confidence. Glad we went with them."
Tom & Claire
Kinsale, Cork
Emergency repairs, bathrooms & heating systems
"Burst pipe at 11pm on a Friday. These lads answered straight away and were at our house in Douglas within 40 minutes. Absolute lifesavers!"
Sarah
Douglas, Cork
"Needed a full bathroom replumb in our Victorian house near Sunday's Well. Professional job, reasonably priced, and finished on time. Can't recommend enough."
Tom & Linda
Sunday's Well, Cork
"We manage 12 rental properties around Cork City Centre. CEL Energy are our go-to plumbers – reliable, fair prices, and our tenants love them."
David
Property Manager, Cork City
"New condensing boiler fitted along with cylinder replacement. House is warmer, pressure is better, and our heating bills have come down."
Catherine
Blackrock, Cork
Full builds, extensions & renovations
"Built our family home in Passage West from scratch. Every stage was managed professionally. The quality of workmanship exceeded our expectations."
Brian & Aoife
Passage West, Cork
"Large rear extension completed in 12 weeks. We lived through the build and the crew kept the site tidy and minimized disruption. Delivered on schedule."
Ger & Marie
Carrigaline, Cork
"Converted our garage into a home office and utility room. They handled all the trades and the project management. Finished to a very high standard."
Mark
Ballinlough, Cork
"Full renovation of a 1970s semi. Rewired, replumbed, new heating system and insulation throughout. Like a brand new house. Very happy with the result."
Helen & Frank
Wilton, Cork
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