Case Study: Retrofit of Heating System in Historic Building

Project Overview

This project involved modernising a heating system while protecting the building’s architectural integrity. The client sought to eliminate gas use, improve efficiency, and ensure comfort without compromising the building’s historic character.

Quick Facts

• Client: Commercial Poperty Owner

• Location: Wellington, New Zealand

• Scope: Heating system conversion from gas to electric

• Budget Outcome: Delivered within budget

• Implementation Timeframe: 1-2 months

• Key Benefit: Improved comfort, reduced emissions, and low impact on historic features

Solution

• System Upgrade: Installed discreet, high-efficiency electric heating to replace fossil gas infrastructure within a historic environment.

• Smart Controls: Delivered zoned control and scheduling to enhance energy efficiency and occupant comfort.

• Sustainability Impact: Reduced fossil fuel reliance, supporting landlord & tenant carbon reduction efforts.

• Operational Efficiency: Improved heating system reliability and reduced maintenance costs.

Results

• Fossil Fuel Elimination: Fully removed reliance on gas, aligning with sustainability and decarbonisation targets.

• Comfort Improvement: Achieved better thermal consistency and faster warm-up times for staff and visitors.

• Operational Resilience: Reduced risk of gas infrastructure failure and future compliance issues.

• Carbon Emission Reduction: Cut building emissions by an estimated 7–8 tonnes per year.

• Energy Savings: Reduced total heating energy use through smart zoning and efficient electric tech.

This project was delivered alongside our partner, EcoGeek.

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