Case study

Vaillant aroTHERM Retrofit: 4.7 SCOP Achieved in an Oxford 1930s Detached Home

May 8, 2026

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3 min read

Vaillant aroTHERM Retrofit: 4.7 SCOP Achieved in an Oxford 1930s Detached Home

A master heat engineer case study

Nathan G

Case study

417% Efficiency: Viessmann Vitocal 150-A Heat Pump & Solar PV in a 1930s Walthamstow Retrofit

Mar 31, 2026

•

6 min read

417% Efficiency: Viessmann Vitocal 150-A Heat Pump & Solar PV in a 1930s Walthamstow Retrofit

A master heat engineer case study

Nathan G

Case study

Can Existing Radiators Work with a Heat Pump? Essex aroTHERM plus Retrofit Achieving SCOP 3.7

Mar 13, 2026

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8 min read

Can Existing Radiators Work with a Heat Pump? Essex aroTHERM plus Retrofit Achieving SCOP 3.7

A master heat engineer case study

Nathan G

Case study

Inverleith Gardens, Edinburgh: Overcoming Conservative MCS Defaults in a Traditional Stone Retrofit

Jan 27, 2026

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11 min read

Inverleith Gardens, Edinburgh: Overcoming Conservative MCS Defaults in a Traditional Stone Retrofit

A master heat engineer case study

Case study

Stone Cottage Retrofit: A Silent Ground Source Heat Pump Solution in Norfolk

Jan 15, 2026

•

9 min read

Stone Cottage Retrofit: A Silent Ground Source Heat Pump Solution in Norfolk

A master heat engineer case study

Nathan G

Case study

New Build Modernisation: Solving a 2016 Design Dilemma in Ceredigion with Open-Loop Simplicity

Dec 30, 2025

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7 min read

New Build Modernisation: Solving a 2016 Design Dilemma in Ceredigion with Open-Loop Simplicity

A master heat engineer case study

Case study

High-Efficiency Air Source Heat Pump Installation in a Large Northern Lincolnshire Home

Dec 19, 2025

•

8 min read

High-Efficiency Air Source Heat Pump Installation in a Large Northern Lincolnshire Home

A master heat engineer case study

Nathan G

Case study

Heat Pump Installation in a Deep-Retrofit Cheshire Semi with Beautiful Cast-Iron Radiators

Dec 6, 2025

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10 min read

Heat Pump Installation in a Deep-Retrofit Cheshire Semi with Beautiful Cast-Iron Radiators

A master heat engineer case study

Case study

Hertfordshire Retrofit: 400%+ Efficiency Achieved With No Radiator Changes

Nov 18, 2025

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7 min read

Hertfordshire Retrofit: 400%+ Efficiency Achieved With No Radiator Changes

A master heat engineer case study

Case study

The Boiler Graveyard to Heat Pump Haven in the West Midlands

Nov 8, 2025

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10 min read

The Boiler Graveyard to Heat Pump Haven in the West Midlands

Solving the Five-Boiler Mystery in a Modern Home

Case study

Vaillant Heat Pump Achieves SCOP 4.2 in North Yorkshire: Open-Loop Simplicity for a 1900 Era Farmhouse Retrofit

Oct 22, 2025

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8 min read

Vaillant Heat Pump Achieves SCOP 4.2 in North Yorkshire: Open-Loop Simplicity for a 1900 Era Farmhouse Retrofit

A master heat engineer case study

Case study

High-Efficiency Air Source Heat Pump Installation with Open-Loop Design: Ware, Hertfordshire

Oct 8, 2025

•

8 min read

High-Efficiency Air Source Heat Pump Installation with Open-Loop Design: Ware, Hertfordshire

A master heat engineer case study

Case study

High-Efficiency Air Source Heat Pump Installation in a Grade II Listed Buckinghamshire Property

Sep 30, 2025

•

8 min read

High-Efficiency Air Source Heat Pump Installation in a Grade II Listed Buckinghamshire Property

A master heat engineer case study

Case study

Vaillant aroTHERM Retrofit: 4.7 SCOP Achieved in an Oxford 1930s Detached Home

417% Efficiency: Viessmann Vitocal 150-A Heat Pump & Solar PV in a 1930s Walthamstow Retrofit

Can Existing Radiators Work with a Heat Pump? Essex aroTHERM plus Retrofit Achieving SCOP 3.7

Inverleith Gardens, Edinburgh: Overcoming Conservative MCS Defaults in a Traditional Stone Retrofit

Stone Cottage Retrofit: A Silent Ground Source Heat Pump Solution in Norfolk

New Build Modernisation: Solving a 2016 Design Dilemma in Ceredigion with Open-Loop Simplicity

High-Efficiency Air Source Heat Pump Installation in a Large Northern Lincolnshire Home

Heat Pump Installation in a Deep-Retrofit Cheshire Semi with Beautiful Cast-Iron Radiators

Hertfordshire Retrofit: 400%+ Efficiency Achieved With No Radiator Changes

The Boiler Graveyard to Heat Pump Haven in the West Midlands

Vaillant Heat Pump Achieves SCOP 4.2 in North Yorkshire: Open-Loop Simplicity for a 1900 Era Farmhouse Retrofit

High-Efficiency Air Source Heat Pump Installation with Open-Loop Design: Ware, Hertfordshire

High-Efficiency Air Source Heat Pump Installation in a Grade II Listed Buckinghamshire Property

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