Summer is still here and the UK has enjoyed an unusually consistent spell of warm weather, with several heatwave spikes, and more potentially on the horizon before autumn arrives. This year, the conversation around cooling efficiency in commercial buildings has been hard to ignore.

 

A Growing Risk for UK Business

Recent warnings have put a spotlight on how unprepared much of the UK’s commercial building owners are for extreme summer temperatures. While energy efficiency policy has historically centred on winter heating performance, the reality is that offices, hotels, retail spaces, care facilities and public sector buildings are now spending significantly more on cooling.
These costs aren’t just financial. Overheating brings:

  • Tenant comfort issues – reducing productivity and satisfaction
  • Operational disruption – from equipment overheating to increased maintenance needs
  • Reputational damage – especially in sectors like hospitality and healthcare, where comfort and safety are paramount

 

Why This Matters Now

The UK’s Future Homes Standard, due in 2027, is heavily weighted toward winter efficiency measures. That leaves a gap: there is no equivalent, binding standard for summer overheating performance in most commercial buildings. But as heatwaves become more frequent and severe, pressure is building for regulatory change.

Industry bodies and environmental groups are already calling for mandatory summer performance standards for non-domestic properties, something that could transform how cooling systems are designed, maintained and upgraded.

 

Proactive Action Beats Reactive Compliance

If history tells us anything, regulations often arrive after market leaders have already adapted. Businesses that take early steps now could avoid rushed (and expensive) compliance work later, while benefiting immediately from reduced cooling costs and better occupant experiences.

Key strategies include:

  • Retrofitting with energy-efficient cooling and ventilation systems
  • Adding smart controls to reduce unnecessary usage during unoccupied periods
  • Improving building fabric – from reflective roofing to solar shading
  • Integrating renewable-powered cooling where feasible

 

A Dual-Season Approach to Efficiency

For years, energy efficiency in commercial property has been treated as a winter problem. But just as heating inefficiency can drain budgets in January, cooling inefficiency is becoming a major cost driver in July and August.

Forward-thinking building owners are beginning to view year-round thermal performance as essential to both their ESG commitments and their bottom line.

 

How Eden Can Help Business Beat the Heat

At Eden, we understand that energy efficiency isn’t just a winter concern. Our OH4 technology is designed to optimise heating and cooling systems year-round, ensuring your building operates at peak efficiency regardless of the season.

For businesses facing rising cooling costs and looming compliance changes, OH4 offers:

  • Immediate energy savings – with most systems achieving maximum efficiency in just 10 days
  • Proven results across sectors – from hotels and care homes to offices and schools
  • Cashflow-positive installations – monthly payments often covered by your energy savings from day one
  • Zero downtime – installation is completed in a single day without disrupting operations
  • Carbon reduction and compliance readiness – helping you meet ESG goals while preparing for potential summer performance standards

With heatwaves becoming more frequent, the ability to reduce both heating and cooling demand is no longer optional – it’s essential. Eden’s solutions make it possible to protect occupant comfort, cut operational costs and get ahead of the next compliance wave.

We hear it all the time.

“Cut our energy bills by an average of 24% without replacing our system?”
 “No disruption, no maintenance, no catch?”
 “Install it in a day and start saving within 10?”

It sounds too good to be true. But it isn’t. It’s science.

And here’s how it works.

The Problem: Heating and Cooling Systems Waste Energy

Most commercial heating and cooling systems, from care homes to hotels, schools to pubs are wasting energy. Not because they’re faulty, but because they weren’t designed for today’s energy demands or fuel costs.

Water is the engine of most systems. It carries heat or cool throughout your building. But the standard water we use in these systems is no longer good enough in terms of heat transfer properties to keep up with the rising cost of fuel.

The result? You use more energy than necessary to maintain comfort. And you pay more than you should.

The Solution: OH4 and Molecular Flow Optimisation

Eden’s OH4 energy saving technology doesn’t replace your system – it enhances it, by influencing how water behaves at a molecular level.

Using magnetic frequencies, it alters the structure of the water, causing hydrogen and oxygen molecules to vibrate and align. This change improves the water’s ability to absorb and distribute heat or cooling more efficiently.

The result? Your system reaches target temperatures faster, using less energy to get there—reducing fuel consumption every time it runs.

The Results: Backed by Data

Our clients typically see:

  • 24% average savings on gas, oil and LPG systems
  • 26–40% average savings on heat pump systems
  • Immediate impact, reaching full optimisation within 10 days
  • Zero maintenance, backed by a 10-year guarantee

We also adjust our performance data using degree day analysis to account for seasonal weather variation. That means you get accurate, verified results, not just seasonal coincidence.

No Downtime. No Disruption.

OH4 installs in less than a day with no need to shut down your system. That’s critical in environments like healthcare, education, and hospitality, where disruption simply isn’t an option.

There’s no software. No maintenance. No filter changes.
 Just a one-time install and immediate results.

Why It Feels Too Good to Be True—But Isn’t

We understand the scepticism. The energy space is full of bold claims and underwhelming outcomes. But OH4 isn’t a gimmick, it’s grounded in science and backed by data.

We don’t just tell you it works. We prove it:

  • Your usage is benchmarked against historical data
  • Weather adjustments are applied using independent degree day data
  • Performance is reported at 3, 6, 12 and 24 months
  • And if the savings don’t materialise? We’ll refund the difference

No shortcuts. No guesswork. Just proven performance and real-world savings.

 

Want to see how OH4 performs on your site?
Let’s talk.

If your building is still running on an older heating or cooling system, you’re not alone. Many businesses and institutions, from hotels and care homes to schools and offices rely on legacy infrastructure. The good news? You don’t need to rip everything out and start again to improve performance, reduce bills, and lower your carbon footprint.

Welcome to the smart, simple world of retrofitting.

Why Replace When You Can Retrofit?

Upgrading an entire system comes with high capital costs, disruption to day-to-day operations, and long return-on-investment timelines. Retrofitting, on the other hand, lets you enhance your existing setup to make it work harder, smarter, and cleaner.

The goal isn’t replacement. It’s optimisation.

What Is Retrofitting?

Retrofitting involves modifying existing heating or cooling systems to improve their performance. This might include:

  • Improving heat transfer efficiency
  • Optimising flow and pressure in pipework
  • Adding technology to reduce energy demand without affecting output
  • Integrating low-maintenance solutions with instant savings

How Eden Delivers Retrofit Results

At Eden, our OH4 energy saving technology is designed to retrofit directly onto your current system. Whether you use gas, oil, LPG, or heat pumps, OH4 improves the fluid dynamics within your pipework, helping water heat (or cool) faster, reducing the amount of energy needed to achieve the same results.

And crucially, there’s no downtime. Installations are typically completed within a single day. Your operations stay uninterrupted.

The Impact: Numbers That Matter

  • 24% average saving for traditional heating systems (Gas, Oil, LPG)
  • 26–40% average saving for heat pumps
  • 10-year zero-maintenance guarantee
  • Carbon reduction from day one

We often say it’s a “fit and forget” solution, but you’ll definitely notice the savings.

Why It Matters Now

With energy costs remaining volatile and sustainability targets tightening across every sector, retrofitting offers a no-regrets option. It gives your existing infrastructure a second life extending its usability while aligning with your environmental and financial goals.

Efficiency isn’t about replacing what works. It’s about making it work better.

If you want to cut energy use, reduce costs, and boost performance without starting from scratch, a retrofit might be the smartest move you can make.

 

Talk to Eden. Let’s unlock the potential of your existing system.

In today’s economic climate, businesses are feeling the squeeze like never before. Rising operational costs, shrinking budgets, and increasing pressure to meet environmental targets are forcing decision-makers to rethink how they run their organisations—especially when it comes to energy.

From care homes to schools, pubs, hotels, and commercial buildings, many sectors rely on heating and cooling systems running seven days a week. Unsurprisingly, energy is one of their largest overheads. Yet, despite the critical need to reduce costs, organisations are also expected to slash carbon emissions. It’s a tough balancing act—and one that can often seem impossible without a hefty upfront investment.

The Green Challenge: High Costs, Slow Returns

Carbon reduction initiatives are crucial for the planet, but they often come with long-term payback periods that businesses simply can’t afford to wait for. Solar panels, heat pumps, insulation upgrades—they all offer savings, but typically not for several years. In the meantime, the pressure to stay afloat and make budgets stretch further continues.

Enter Eden: The Immediate Solution Businesses Needs

Eden Energy Partners is changing the narrative with an innovative solution that delivers instant results. Their OH4 system improves the efficiency of existing heating and cooling systems by enhancing the heat transfer properties of the fluid in your pipes. 

It’s science-backed and surprisingly simple. By increasing the number of hydrogen molecules in your heating system’s fluid, OH4 boosts the fluid’s heat transfer capabilities. That means water heats up more quickly, systems run more efficiently, and energy consumption—and emissions—drop accordingly. 

Immediate Savings, Zero Disruption

One of the standout benefits of Eden’s OH4 system is its speed and simplicity. Installation typically takes less than a day, with no system downtime. You’ll start seeing savings within 10 days, and many businesses report average energy reductions of 24% for gas, oil, and LPG systems, and up to 40% for heat pumps.

Cash-Positive From Month One

What truly sets Eden apart is their cash-positive approach. With payment plans spread over 12–36 months, your monthly cost is covered by the savings you make. That means the solution pays for itself—and from day one, you’re operating in the black, not the red.

Sustainable Change With Real-Time Results 

For businesses under pressure, these savings aren’t just a bonus, they’re a lifeline. Eden’s system makes budgets more manageable, frees up cash flow, and allows organisations to reinvest in other critical areas, whether that’s staffing, training, equipment, or growth.

And let’s not forget the environmental win. OH4 was designed with sustainability in mind. It helps reduce your carbon footprint from day one, aligning financial and environmental goals in a way few solutions can.

A Transparent, Data-Led Process 

From the first consultation to ongoing performance reports, Eden ensures transparency and accountability every step of the way. They’ll benchmark your energy use, tailor a proposal, handle the installation, and track performance at regular intervals to ensure you’re achieving the results promised.

Don’t Wait to Cut Costs & Carbon 

If your business is grappling with rising energy bills and pressure to decarbonise, Eden offers a low-risk, high-impact solution. Immediate savings, measurable carbon reduction, and payment plans that align with your monthly savings—it’s no wonder Eden is fast becoming the energy industry’s best-kept secret.

Ready to heat (or cool) smarter? 

 

In today’s volatile energy marketing, finding ways to cut costs and reduce carbon emissions isn’t just smart, it’s survival.

That’s why Eden Energy Partners is proud to announce a powerful new partnership with E&G Compare—bringing our customers not just more efficient energy, but cheaper energy too.

Together, we’re delivering a double win for businesses: pay less, use less.

The pressure is on

Businesses across the UK are facing a tough combination of:

  • Soaring energy bills 
  • Ever-shrinking budgets 
  • Demands to cut their carbon footprint 

With little room for error and even less room for unnecessary spending, businesses need energy strategies that deliver instant results. That’s where Eden and E&G Compare come in.

How Eden helps you use less

We specialise in helping businesses reduce their energy consumption through our ground-breaking OH4 technology. This innovative system enhances the heat transfer efficiency of water within existing heating systems, allowing boilers and pumps to use significantly less energy to achieve the same results.

Installations are fast, non-intrusive, and require no structural changes. Better still, businesses typically see 24–40% energy savings, with cash-positive payment plans that are covered by those savings from day one.

How E&G helps you pay less

Through our new partnership with E&G Compare, Eden customers can also slash the cost of their actual energy supply.

E&G Compare is a leading UK energy comparison service helping businesses find the best rates on the market. Whether you’re on gas, electricity, or renewable energy sources, E&G will help you:

  • Switch to a cheaper tariff 
  • Lock in better long-term rates 
  • Avoid costly auto-renewals 

Make smarter, data-led energy decisions

One partnership, two powerful brands

This partnership brings together two essential pillars of energy management: efficiency and affordability.

  • Use Less: Eden’s OH4 reduces your consumption and emissions
  • Pay Less: E&G Compare helps you find the cheapest energy deal

The result? You’re not just going green, you’re saving green too.

Who benefits

This partnership is particularly powerful for:

  • Older, inefficient buildings where energy use is highest 
  • Round-the-clock operations like care homes, restaurants and hotels 
  • Public-facing businesses where disruption-free upgrades are essential 
  • Budget-conscious teams who need quick ROI 

Together, Eden and E&G are making sure energy savings aren’t reserved for the big players. We’re bringing sustainable, affordable solutions to every business that needs them.

 

Looking to cut energy costs without compromise? Let Eden and E&G Compare show you how to use less and pay less—starting today.

The road to net zero is anything but straightforward—especially for the UK’s older buildings.

Nearly one in five buildings in the UK was constructed before 1919, and these historic properties pose some of the toughest energy challenges. With outdated infrastructure, poor insulation, and restrictions on visual or structural alterations, they are among the hardest to retrofit for modern energy efficiency standards. Yet they are also some of the least efficient and most costly to run.

In sectors like hospitality, education, care, and retail—where many older properties remain in daily use—this creates serious financial and environmental strain.

The Problem: High Costs, Low Efficiency, and Limited Options

According to the UK Parliament’s Parliamentary Office of Science and Technology “Historic buildings are more likely to have low energy efficiency ratings and high carbon emissions.” But due to listed status or design sensitivities, they are often exempt or restricted from structural energy retrofit interventions, such as replacing windows, cladding walls, or altering mechanical systems. Even when upgrades are possible, costs are often prohibitive and require significant downtime, displacing operations or customers in the process.

The Solution: Eden’s Disruptive Technology That Doesn’t Disrupt Buildings

That’s where Eden Energy Partners comes in. Our energy efficiency technology (OH4) has proven particularly effective in older, inefficient buildings, where traditional retrofit options are either not viable or not affordable.

Our approach is non-invasive, non-disruptive, and doesn’t alter the building’s structure or appearance in any way. There’s no drilling into walls, no visible impact on interiors, and no compliance issues with heritage guidelines. That makes it ideal for Grade-listed buildings, heritage sites, and character properties as well as any older commercial buildings not fit for modern energy standards.

How it Works: Small Change, Big Results

Our OH4 technology works by improving the heat transfer capabilities of water in existing heating systems. Through enhanced molecular conductivity, water heats up faster, meaning boilers and heat pumps use significantly less energy to achieve the same output.

Installations are completed in a single day, without turning off your heating or disrupting your service. And with no structural or visual impact, the solution is invisible to guests, staff, inspectors, or planning officers.

The Results: High Savings in Hardest-to-heat Buildings

Older buildings are where we see some of its biggest savings, because that’s where the inefficiencies are most pronounced. Gas, oil, and LPG systems typically see 24% average savings, while heat pumps can deliver up to 40% reductions in energy consumption. These savings are even more impactful for buildings that need heating (or cooling) seven days a week, such as care homes, pubs, schools, and hotels.

What’s more, Eden’s flexible payment plans allow you to spread the cost over 12–36 months, with the monthly savings often covering the payments. That makes Eden cash-flow positive from day one, freeing up budget to reinvest in staffing, facilities, or further upgrades.

Futureproofing Without Sacrifice

Eden offers a rare win-win for historic buildings: meaningful, measurable energy efficiency without compromising the building’s integrity, heritage, or daily use.

“Ensuring historic buildings contribute to net zero targets without compromising their heritage values requires innovative solutions.” Eden is one such solution, ready to scale, simple to install, and tailored for the very buildings the UK is struggling to bring up to standard.

 

If you’re managing an older building and feel stuck between energy targets and upgrade restrictions, Eden offers a way forward. Immediate savings, lower emissions, and no compromises required.

Ready to futureproof your past? 

The challenge

The Georgian House Hotel is a collection of historic buildings brought together into a beautiful boutique hotel. Located centrally within London, they provide a launchpad to all that the city provides. The hotel offers a unique and authentic experience to their guests and the owners are keen to engage with renewable technology to provide environmental benefits and to reduce the operating cost of the hotel.

As a historic building that has evolved over time, the property operates on a combination of gas boilers, which are tucked away in basements and broom cupboards to provide heating and hot water facilities. The client’s current annual spend on heating and hot water was in the region of £40,000 which represented a significant cost and effect on operational expense.

In line with their sustainability and cost reduction targets, they were keen to explore OH4 Energy Saving Technology (OH4) as a potential solution that didn’t require extensive investment in new equipment.

Our solution

After a short site visit, it was agreed that OH4 be installed at the premises with a guarantee that the installation cost would not exceed the year one saving. With no need for any downtime on the heating and hot water system, and access only required in the plant rooms, it was shown that there would be no disruption to hotel operations. 

OH4 was fitted in the 5 plant rooms on 3 30KW boilers, a 100KW boiler and a 60KW boiler two additional 30KW boilers were fitted in apartments serviced by the hotel but located away from the main site. The installation took place in October 2024 taking a total of 3 hours.

The results

Based on the data collected between October 2024 and January 2025 the hotel has seen a reduction in KWh per degree day per guest of 23%, representing a projected saving of £9,200 over a year. However, in addition to this, the hotel has opened additional rooms and has seen a significant increase in guest numbers. Taking this into account, the savings are 27% and £10,800 respectively.

You can see similar results in your building. Click the link below to get your bespoke quote.

23% Annual savings
£9,200 Annual bill reduction

The challenge

The Priest House Hotel is a historic hotel building located close to East Midlands Airport within beautiful surroundings, offering excellent dining facilities. The hotel operators are keen to engage with renewable technology to provide environmental benefits, and to reduce the operating cost of the hotel.

As a historic building in a rural area, the property operates on a combination of LPG and oil to provide heating and cooking facilities. The client’s current annual spend on heating and hot water was in the region of £50,000, which represented a significant cost. In line with their sustainability and cost reduction targets, they were keen to explore OH4 Energy Saving Technology (OH4) as a potential solution that didn’t require extensive investment in new equipment.

Our solution

After a short site visit, it was agreed that OH4 be installed at the premises with a guarantee that the installation cost would not exceed the year one saving. With no need for any downtime on the heating and hot water system, and access only required in the plant rooms, it was shown that there would be no disruption to hotel and spa operations. 

OH4 was fitted in the 3 plant rooms in July 2024 with the installation taking a total of 2.5 hours.

The results

Based on the data collected between August 2024 and December 2024 the hotel has seen a reduction in litres per degree day per guest of 21% representing a saving of £10,500 over a year.

The Client has now engaged OH4 to assess the other buildings in their estate.

You can see similar results in your building. Click the link below to get your bespoke quote.

22% Annual savings
£9,600 Annual bill reduction

The challenge

The Headland Hotel is an iconic Cornwall hotel renowned for its luxurious accommodation, food and spa facilities. The team are well known for their innovative approach to environmental sustainability and social governance supporting youth in the Cornwall area.

The client’s current annual spend on heating and hot water was £380,883, presenting a significant operational expense. They were eager to identify ways to decrease energy consumption while maintaining the high standards and luxury service their guests expect. In line with their sustainability and cost reduction targets, they were keen to explore OH4 Energy Saving Technology (OH4) as a potential solution.

Our solution

After a short site visit, it was agreed that OH4 be installed at the premises with a guarantee that the installation cost would not exceed the year one saving. With no need for any downtime on the heating and hot water system, and access only required in the plant rooms, it was shown that there would be no disruption to hotel and spa operations.

It was agreed that OH4 would work around lettings for the smaller installations to the 40 separate holiday cottages with 20 installations fitted in April 2024 and the remainder to be fitted in November 2024.

The Results

The hotel has reduced its rate paid for gas, meaning that the amount that would have been paid last year at the current rate is now £216,768. In addition to this OH4 Energy Saving Technology has shown a reduction in fuel usage on a KWh per degree day per guest of 19% across the site (with 20 cottages still to be fitted). The saving in 6 months has been £23,779 in 6 months at the current rate being paid. Estimated saving for the whole year is £54,191

Under our current charging model this would be charged at £43,350 payable £1806.40 per month for 12 months and £903.20 per month for a further 24 months based on a projected saving of 20%.

You can see similar results in your building. Click the link below to get your bespoke quote.

19% Annual savings
£54,191 Annual bill reduction

“OH4 carried out work for us at the Headland recently, installing the OH4 Energy Saving Technology on our heating and hot water systems, for the main hotel, our Spa, Aqua Centre and most of the cottages on our site. We were delighted with how non-invasive the installation was, with no disruption experienced to the hotel’s operation, working around holiday bookings in the cottages, and scheduled to complete the work in the autumn.

The installation was carried out on the main hotel building in April of 2024, and since then we have seen savings of energy usage in excess of 20% measured in kWh per degree, per day, per guest, compared against the previous year, to give truly comparable figures.

We would highly recommend the OH4 system to other hotels and guest accommodation, as the results speak for themselves in terms of energy savings, and the system will be a benefit to the hotel for decades to come.”

Richard Palmer, Director, Headland Hotel

The challenge

The Cornwall Hotel & Spa is an iconic Cornwall Hotel with a strong local history and is well renowned for its luxurious accommodation, food and spa facilities. The hotel operators are highly respected in the hospitality sector for their forward-thinking approach to environmental sustainability and are aiming to be the net zero holiday destination of choice.

Our solution

After initial consultations, it was agreed that OH4 be installed at the premises with a guarantee that the installation cost would not exceed the first year’s saving.

With the hotel enjoying a constant flow of guests and visitors, it was business critical that the installation of OH4 did not have an impact on the hotel and spa operations. With the unique nature of OH4 and the fact that the hotel did not have to turn off their heating system, the installation was seamless and had no impact on the hotel or its guests and visitors.

In addition to the main hotel building, it has been agreed that OH4 will work around lettings for the smaller installations to the 20 separate holiday cottages with 20 installations fitted in May 2024 and hot tubs fitted with OH4 in July 2024.

The results

The savings achieved on a KWh per degree day per guest basis in the 6 months since fitting OH4 is 12.61% representing a saving of £5,359.25 in the 6-month period. However, we later identified that their pool had been set to a higher temperature, increasing their gas usage. If we factor in the increase in temperature on the pool the actual savings are over 29%, and representing a saving of £12,325 in 6 months, making the estimated annual saving £24,750. 

Under our current charging model this would be charged at £17,000 payable £708.33 per month for 12 months and £354.17 per month for a further 24 months based on a projected saving of 20%.

You can see similar results in your building. Click the link below to get your bespoke quote.

29% Annual savings
£24,750 Annual bill reduction