From 1920s Home to Energy-Efficient Haven: Dermot Bannon’s Mitsubishi Electric EcodanHeat Pump Story
October 3, 2025
In 2019, renowned Irish architect Dermot Bannon completed the installation of a Mitsubishi Electric Ecodan heat pump in his 1920s home, part of an extensive renovation he began after purchasing the property in 2018. The upgrade marked a key step in making the historic home more energy-efficient while creating a modern, comfortable living space for his family.
“The challenge was to transform a nearly 100-year-old house into a modern space that is both comfortable and energy-efficient,” said Dermot Bannon. “The Ecodan system allows us to enjoy cozy, reliable heating and hot water while significantly reducing our carbon footprint.”
The Ecodan heat pump uses advanced, low-GWP refrigerant technology to deliver high efficiency in heating and hot water production. Its smart controls and quiet operation make it particularly well-suited to retrofitted homes, providing sustainable comfort without intrusive equipment.
Mitsubishi Electric’s Ecodan range has become a preferred choice for homeowners and architects seeking to combine sustainability with style, offering an ideal solution for both new builds and renovations like Bannon’s 1920s property.
“Installing the Ecodan heat pump was a natural choice for a home where both comfort and environmental responsibility were priorities,” added Bannon. “It’s a great example of how modern technology can complement older buildings.”
Hear Dermot’s Heat Pump Journey
Interested in learning more about Dermot Bannon’s Ecodan experience? Hear all about his heat pump journey at the PTSB Ideal Home Show Ecodan Home Advice Theatre on 17th October in the RDS Dublin, where he will share insights from his renovation, discuss sustainable heating solutions and answer audience questions.
About Mitsubishi Electric Ecodan
The Ecodan range of air-to-water heat pumps offers energy-efficient heating and hot water solutions for residential and commercial properties. Designed for maximum performance and minimal environmental impact, Ecodan systems are a trusted choice for sustainable home heating projects across Ireland, UK and Europe.

“The Mitsubishi Electric Ecodan system is the heart of our home’s modern comfort, combining sustainability with reliability.” – Dermot Bannon

“Regular maintenance keeps the Ecodan system in top condition- meaning peace of mind and reliable warmth and hot water for the whole family.” Dermot Bannon

“The Mitsubishi Electric Ecodan gives us invisible heat all around the house—we don’t even touch it, and yet our home is always perfectly comfortable.” – Dermot Bannon
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