Fitzsimons Insulations are registered contractors with SEAI under the

Better Energy Homes Scheme

Our SEAI Contractor ID is: 10117

Apply here:  Link to SEAI Grant Application

Passive House

Fitzsimons Insulations hold Passive House Tradeperson membership. Passive House is a building standard that is truly energy efficient, comfortable and affordable at the same time. Passive House is not a brand name, but a tried and true construction concept that can be applied by Certified Tradespersons

Success Stories from our Customers

With 44 Years in Business, we have lots of happy customers. Read some testimonials and comments from them

Read Customer Testimonials


Our Firestopping works are all recorded using the controlled regular fire-stopping management programme – Bolster.

Air Tightness

Our Air tightness installers are trained by Saint-Gobain

Reliable insulation services since 1980. Our primary aim is to insulate your home as if it were our own.