Covid-19 Update

Keep up to date with our latest news on Covid-19.

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Technical Innovators of Building Services

Dedicated to the design and development of sustainable heating, cooling, ventilation and hot water products and systems for commercial and residential projects.

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Electric Panel Heaters

Learn more about the benefits of direct acting panel heating

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Zeroth Energy System

Our innovative low temperature network system for apartment living

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Hot Water Heat Pumps

Our low carbon, energy efficient air source hot water heat pumps

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Mechanical Ventilation

Learn more about mechanical ventilation solutions

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We are helping to build a more sustainable future

At GDHV, we believe that successful HVAC specification lies in product innovation which contributes to a sustainable future, whilst being commercially beneficial, fully scalable and flexible to meet project requirements. We aim to support our customers through every step of the construction process, from the formation of HVAC strategies and product specification advice, to design application guidance and installation training.

Here you can view a range of our solutions and sector expertise, find technical downloads, including BIM files and spec sheets.

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Our services

Designed to give you access to our experienced team of HVAC specialists in a way that that benefits you to reduce risk and increase value for your project.

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Certified CPD courses on HVAC compliance and technology.

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Application design

Design support and guidance on applying our solutions to your project.

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Product training

Product and installation training on our range of HVAC technologies.

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The CCC’s agenda for the future of construction and HVAC

The Committee on Climate Change’s (CCC) most recent update on how the UK is progressing towards the achievement of emissions-based targets, such as net zero by 2050 and the carbon budgets, has certainly been listened to. There is no doubt that it influenced the Chancellor's recent Summer Economic Update and the decision to target a green recovery from the Covid-19 crisis.

So, what does the CCC see as the future of construction and what can be done to prepare for the changes this will make to HVAC specification?


Compliant solutions under changing Part L and Part F

Before the end of 2020, industry will need to adapt HVAC strategies and building design in order to adhere to new compliance regulations.

This is in the wake of the Government’s consultation to update Part L and Part F of the Building Regulations for new residential developments.

The aim of this consultation was to begin aligning the built environment with the future direction of UK sustainability policy – changing compliance targets, planning requirements and, ultimately, the way we supply heat and clean air to new homes.

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Primary energy – the new compliance metric

For new developments, the focus of compliance is changing.

The EU’s Energy Performance of Buildings Directive (EPBD) requires the UK to build Nearly Zero Energy Buildings from the 31st December 2020. To comply with this target, government is using the approaching update to Approved Documents L and F of the Building Regulations to enforce the terms of the EPBD, and the consultations for this update will be released later this year.

This change in UK law has the potential to dramatically alter the way we design and build new developments before the end of 2020, but the exact details are still uncertain.

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Our in-house Application Design team are here to help you towards gaining building compliance with the right HVAC solution for your projects.


Join us in delivering efficient and sustainable heating and ventilation solutions for multiple sectors across the built environment.

About us

GDHV are dedicated to being HVAC specialists within construction and specification, working closely across the industry from regulation to site.

Product safety notice | 7th July 2020

Dimplex A Class Water Cylinders - ECS150, ECS210, ECS250

Product recall notice | 13th October 2017

Portable dehumidifiers - DXDH1ON, DXDH16N, DXDH20N, FTE10, FTE20, DH212


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