Earthwise Construction

Earthwise Construction Eco Design & Build / MVHR company based in Bristol.

Off the Tools. Onto the Water. 🚣☀️Last week our team swapped the working day for an afternoon exploring Bristol Harbour ...
06/08/2026

Off the Tools. Onto the Water. 🚣☀️

Last week our team swapped the working day for an afternoon exploring Bristol Harbour as part of our annual summer get-together.

Setting off from The Cottage Inn, we paddled around Bristol Harbour, taking in views of the iconic SS Great Britain before venturing into some of the hidden waterways off the River Avon. Along the way, our brilliant guide from Bristol SUP shared fascinating stories about Bristol's rich maritime history.

It was a fantastic opportunity to spend time together outside of work, enjoy some sunshine and see our city from a completely different perspective, before returning to The Cottage Inn for some well-earned drinks.

A big thank you to the team at SUP Bristol for a brilliant experience - we'd highly recommend it! 🙌

🤔 Curious about MVHR (Mechanical Ventilation with Heat Recovery)? Wondering how it can make your home healthier, more co...
03/08/2026

🤔 Curious about MVHR (Mechanical Ventilation with Heat Recovery)? Wondering how it can make your home healthier, more comfortable and energy efficient? 💨🏡

✨ Our specialist MVHR team manages every stage of your system, from design and supply through to installation, commissioning and ongoing servicing. With everything coordinated by one experienced team, we make the process straightforward from start to finish. 🛠️✅

🌱 Enjoy a constant supply of fresh, filtered air, improved indoor air quality and a more comfortable home, while helping to reduce heat loss and energy use. 🌬️💚

Ready to learn more? Visit our website to discover how our expert MVHR team can help with your project.

👉 https://www.earthwiseconstruction.co.uk/service/mvhr/

☀️ Can your MVHR system keep your home cool during a heatwave?With the continuing spell of hot weather across the UK, th...
23/07/2026

☀️ Can your MVHR system keep your home cool during a heatwave?

With the continuing spell of hot weather across the UK, this is one of the questions we're being asked most often.

The answer might surprise you...

❌ An MVHR system isn't designed to replace air conditioning.

✅ What it does do is provide a continuous supply of fresh, filtered air while removing stale, humid air from your home. Many modern systems, including the Zehnder units we install, also feature an automatic summer bypass. This allows cooler evening and overnight air to enter your home without passing through the heat exchanger, helping to improve comfort when temperatures begin to fall.

A few simple tips for getting the best from your MVHR this summer:

✔ Let your summer bypass do its job.
✔ Open windows during cooler evenings to create natural cross-ventilation.
✔ Keep blinds or curtains closed during the hottest part of the day.
✔ Continue running your MVHR to maintain healthy indoor air quality.

Looking for even greater summer comfort?

Certain Zehnder MVHR systems can also be combined with ComfoClime or ComfoPost to temper the incoming fresh air. While these aren't a replacement for air conditioning, they can help improve comfort when designed as part of a whole-home heating and cooling strategy.

We've recently updated our practical guide to include more advice on operating your MVHR during the summer, along with year-round maintenance tips to keep your system performing at its best.

🔗 Read the guide:
https://www.earthwiseconstruction.co.uk/how-to-operate-maintain-your-mvhr-system-a-practical-guide/

💬 Have a question about your MVHR system, summer bypass or air tempering solutions? Speak to our experts – we're always happy to help :
https://www.earthwiseconstruction.co.uk/contact-us/

Helping Raise Retrofit StandardsLast week, our Director and Project Manager, Ben East, delivered the final Training the ...
07/07/2026

Helping Raise Retrofit Standards

Last week, our Director and Project Manager, Ben East, delivered the final Training the Trainers session for the Green Register's Level 2 Retrofit Skills Qualification at SGS College's apprenticeship training centre in Filton, Bristol.

The session was delivered to the SGS College tutors who will go on to teach the qualification, helping equip the next generation of retrofit professionals with the knowledge and skills needed to deliver high-quality retrofit projects.

A key focus of the session was the importance of ventilation in retrofit. As homes become more airtight and better insulated, good ventilation is essential for maintaining healthy indoor air quality, managing moisture and ensuring building performance.

It was fantastic to see the tutors so engaged throughout the day, asking thoughtful questions and keen to deepen their understanding of ventilation and retrofit.

We're proud to support initiatives like this that help raise knowledge and standards across the retrofit industry.

Thank you to SGS College for hosting and to the Green Register for its continued work in developing retrofit skills across the sector.

To learn more about the Green Register's Level 2 Retrofit Skills Qualification, visit their website.

📸 Photo credit: Amanda Barlow.

Earthwise Answers Your FAQsCan you have MVHR in any type of house?Yes- but the answer is a little more nuanced than many...
02/07/2026

Earthwise Answers Your FAQs

Can you have MVHR in any type of house?

Yes- but the answer is a little more nuanced than many people think.

While MVHR is commonly associated with Passive House projects, it can also be successfully installed in many new builds, renovation projects and existing homes.

The important consideration isn't the age of the property. It's whether the ventilation system is properly designed for the building and how airtight the home is.

Every property is different, which is why we always recommend starting with good design rather than simply choosing a ventilation unit.

Have a question about MVHR or airtightness?

Leave it in the comments and it could feature in a future Earthwise Answers your FAQs post.

Prefer to speak to one of our friendly experts? Get in touch : www.earthwiseconstruction.co.uk/contact-us/

🔨 Progress update from our Bristol EnerPHit retrofit project. One of the large goal post steel frames has now been insta...
23/06/2026

🔨 Progress update from our Bristol EnerPHit retrofit project.

One of the large goal post steel frames has now been installed, creating the opening for the triple-glazed sliding doors that will be fitted later in the project.

As soon as the steelwork was in place, the team could begin detailing the airtightness layer around it. Once the rest of the build progresses, access becomes much more difficult, so getting these details right now is essential.

It's another example of why successful retrofit projects rely on careful sequencing and attention to detail, with every stage laying the groundwork for the next.

More updates to come as this project takes shape.

MVHR (Mechanical Ventilation with Heat Recovery) is becoming an essential part of modern, energy-efficient homes,and for...
16/06/2026

MVHR (Mechanical Ventilation with Heat Recovery) is becoming an essential part of modern, energy-efficient homes,and for good reason.

✔ Lower heating bills
✔ Cleaner, healthier indoor air
✔ Reduced carbon emissions
✔ A more comfortable home, all year round

Whether you're self-building, renovating, or improving the performance of your existing home, MVHR offers long-term benefits for both your home and your wellbeing.

At Earthwise, we provide a complete turnkey MVHR service from design and specification through to installation and commissioning. Helping to make the whole process straightforward and stress-free.

Find out more about our MVHR service:
https://www.earthwiseconstruction.co.uk/service/mvhr/

Or visit our Bristol showroom to experience a working MVHR system for yourself and ask our team any questions:
https://www.earthwiseconstruction.co.uk/mvhr-showroom-bristol/

🔨 The stage nobody puts on the brochure...Not many people post photos of a house once it's been completely gutted, but t...
09/06/2026

🔨 The stage nobody puts on the brochure...

Not many people post photos of a house once it's been completely gutted, but this is where the hard work starts.

We've recently started work on a home in Bristol that is being upgraded to the EnerPHit standard.

The property has been stripped back ready for a complete fabric-first upgrade that will significantly reduce heat loss, improve comfort and prepare the house for the low-carbon technologies that follow.

Over the coming months we'll be installing:

🌿 Wood fibre insulation
🪟 Triple-glazed windows and doors
🌬️ MVHR ventilation
♨️ Air source heat pump
☀️ Solar PV and battery storage

At the moment it might just look like a building site, but these early stages are where some of the most important work happens. The insulation, windows and airtightness upgrades will do most of the heavy lifting when it comes to reducing energy demand, creating the right foundation for the MVHR system, heat pump and solar PV to perform at their best.

We'll be sharing updates as the project progresses, so follow along to see the transformation unfold.

🏡 Project Revisit: The Crunnis EnerPHit Retrofit, BristolSome projects are worth revisiting, and The Crunnis remains one...
05/06/2026

🏡 Project Revisit: The Crunnis EnerPHit Retrofit, Bristol

Some projects are worth revisiting, and The Crunnis remains one of our favourite EnerPHit deep retrofit and remodelling projects.

Working alongside the homeowners, architect and wider design team, we helped transform an existing property into a high-performance, low-energy home certified to the EnerPHit standard.

The homeowners, Charley & Bryn, said:

💬 "We are very happy with our EnerPHit-certified home and would highly recommend Earthwise Construction to others looking to undertake an Eco or Passivhaus standard project."

What made this project particularly rewarding was the collaborative approach throughout. Deep retrofits are complex by nature, but through regular communication, careful planning and close coordination with the wider project team, challenges were resolved efficiently as they arose.

🎥 The case study also features a short film with the homeowners and project team discussing the retrofit journey, the technical challenges involved, and the lessons learned along the way.

Take a look at the full project and video here:

https://www.earthwiseconstruction.co.uk/case-study/the-crunnis/

Thinking about a deep retrofit, EnerPHit or Passivhaus project? We'd be happy to discuss your plans.

Good MVHR systems start long before installation 👇Detailed design plays a huge role in:✔ Performance✔ Airflow✔ Noise red...
28/05/2026

Good MVHR systems start long before installation 👇

Detailed design plays a huge role in:
✔ Performance
✔ Airflow
✔ Noise reduction
✔ Installation quality
✔ Long-term maintenance

At Earthwise, we create installation-focused MVHR layouts designed for real-world performance and long-term usability.

Read more in our latest blog:
https://www.earthwiseconstruction.co.uk/mvhr-design-process/

We provide a complete turnkey MVHR solution:
Design • Supply • Install • Commission

Get in touch for a chat or visit our website to find out more.

Address

Windmill Hill City Farm, Philip St, Bedminster
Bristol
BS34EA

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+441173182269

Website

Alerts

Be the first to know and let us send you an email when Earthwise Construction posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Earthwise Construction:

Shortcuts

Share

Category