Scotland Regional Winner, Heating Installer Awards 2026Highly Commended, Scottish Energy Efficiency Awards 2025
🎉 Scotland Regional Winner at the Heating Installer Awards 2026
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Our MCS-accredited engineers design and install high-efficiency solar PV systems that reduce your reliance on the grid; Homeowners in Milngavie can achieve proven long-term savings of up to 70%.
5.0Top Rated Installer 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
5.0Top Rated Service 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
The monthly electricity bill dropped from £600 to £24.79, around £6,900 saved a year, after the heat pump was also re-commissioned with the correct flow temperature.
“We’ve had very attentive customer service from Sean, and are very happy with the outcome of the installation of solar panels & batteries.”
Christine C., Gartcosh · Google review
Panels and batteries carry 0% VAT until 31 March 2027, and the Smart Export Guarantee pays you for what you send back. We size the array to your own usage first, so the savings come from the design, not a subsidy.
Which Milngavie roof you own sets the size of the win. The housing runs from older stone villas around the town centre to established East Dunbartonshire family estates, and most of it still buys every daytime unit from the grid at full price.
• Stone villas around the town centre, where the West Highland Way starts: older roofs that reward careful mounting design.
• Established family estates: generous pitched roofs, the bread-and-butter install.
• Newer developments: modern trusses, easy access, fastest turnaround.
The catch is in the fixings: an older villa roof needs its slates, battens and timbers checked first, or a solar PV installation can let water in where the brackets go.
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We inspect the slates, battens and rafters on older Milngavie roofs before choosing brackets, and on newer estates we check the trusses. Your usage, read from your bills, decides the panel count.
On a stone villa near the town centre, we confirm the timbers can take the load before a bracket goes in.
Slate, concrete tile and plain tile each take their own hook, so the roof stays watertight.
We arrange the scaffold and leave the roof as we found it when it comes down.
We programme the battery around when your household cooks, washes and charges, using your tariff’s cheap hours.
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Scroll through the year: real generation from a 10.5 kWp array on a Scottish roof, winter trough included.
Panels do not care how warm it is, only how bright. So the only honest answer is a year of output.
December makes a tenth of June. We plot it, because you will notice it on your first winter bill.
From March to September the array makes more than a typical home uses. The spare either exports for income or charges a battery.
Northern summers pay the winter back: June alone can cover two months of an average home’s use.
Around 9,000 kWh a year from one Scottish roof. Not a lab figure, a metered one.
Day one · scaffold up
Panels going on
Clamped, not glued
The finished array
From £600 a Month to £24.79: Solar & Battery Success in Gartcosh
Christine’s home in Gartcosh, Glasgow was running electricity bills of around £600 some months, even with an air source heat pump fitted: it had never been set up right, the kind of fault our heat pump servicing visits catch.
The family’s energy-use survey pointed to a 10.5 kWp black bifacial solar PV array with 20.8 kWh of battery storage, alongside a full re-optimisation of the heat pump already on site.
The monthly bill dropped to £24.79, an annual saving near £6,900, with 100% of the family’s daily electricity coming from solar and battery power most months. A Milngavie install follows the same order: usage first, then the array and battery to match.
“Excellent service before & after installation. We are also grateful for his knowledge and input into adjusting our heat pump and currently our bills are massively reduced.” Christine C, Gartcosh, ⭐⭐⭐⭐⭐
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Illustration of a typical installation
Rated 5 stars by clients across all Glasgow and surrounding areas. Milngavie is covered by the same engineers who handle solar panel installation in Glasgow. Next door in Bearsden? We cover solar panel installation in Bearsden too.
5.0Top Rated Installer 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
Illustration of a typical installation
When we visit your Milngavie home, we check the roof’s facing, shading, strength, and your household’s power use. Then we provide a full plan: expected annual generation, system design, battery options, a clear timeline and a price list.
Our MCS-approved fitters set the mounting rails, fix the panels and inverter, weatherproof every fixing point and leave the electrical work compliant and signed off.
When the job is done, we start the system, set up monitoring and show you how to track your energy generation and usage, so you can see your savings as they happen.
5.0Top Rated Service 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
A well-planned solar PV system pays in Milngavie the way it pays everywhere: through the bills. Our installs give you:
Scotland-wide numbers are in our solar panel cost in Scotland 2026 guide.
5.0Top Rated Service 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
5.0Top Rated Renewable Energy Service 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
5.0Top Rated Installer 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
Yes. Panels run on daylight, not direct sun, so a Milngavie roof still generates through cloud, just at a lower rate. What matters more is orientation and shading, which is why we measure both on the survey before quoting an array size.
The price of fitting solar panels can vary based on factors like the size of your roof, the size of the system, the inverter tech you choose, and any battery storage you add. As a rule, jobs in Milngavie are between £8,000 and £15,000, depending on the system’s complexity.
No, and you do not need one. There is no Home Energy Scotland funding for solar panels, and the Boiler Upgrade Scheme applies only in England and Wales. Milngavie homeowners buy at 0% VAT until 31 March 2027 and earn Smart Export Guarantee payments on what they export.
Yes, we fit storage with a new array and retrofit it to systems already on Milngavie roofs. A battery holds the daytime generation you would otherwise export cheaply and releases it through the evening peak, which is where most of the bill saving on a Scottish install is decided.
Savings vary by household, but most homeowners see electricity bills fall by 50-70%. A battery increases that further and can earn income through the Smart Export Guarantee. Retrofitting one onto an existing solar system is usually a one-day visit, and as an Official EcoFlow Partner we pair arrays with PowerOcean home batteries when storage makes sense.
Milngavie installs usually take 1 to 2 days on site once the survey is done: scaffolding and panels first, then the inverter, any battery and commissioning. We take the scaffolding down and leave the roof and the house as we found them.
Custom options for longer-term care to keep things at their best.
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A few details is all it takes. We reply within one working day, with a real engineer, not a call centre.
Excellent5.033 reviews
5.0Excellent33 reviewsPosted on Google![]()
Amanda Flockhart7 October 2026Trustindex verifies that the original source of the review is Google.
Aventus installed an ASHP heating system for us in a 1950s house in Newton Mearns. Initially we contacted them to help us future proof our home as we were planning some retrofit works. They carried out the preparatory pipework during the build & were very good at working around our timeline and liaising with the builders. Following this we decided to see it through and had the new heat pump installed towards the end of the building works. During the installation, the team were all very polite and helpful. We had the majority of pipework replaced with copper alongside 4 new radiators & a cylinder installation which was all carried out to a high standard. The team were patient with our specific requests. We are delighted with the dark grey Panasonic unit & appreciated the fact the unit is not over specified which means that it sits neatly underneath our new windows. There were various post install issues however these were resolved with a professional attitude. So far we have found the house to be very cosy with exceptionally hot water which exceeds our expectations. Time will tell over the winter how efficient it is given the age of the house, however we feel reassured having Aventus by our side and would not hesitate to recommend them to others.+0Posted on Google![]()
Ben19 August 2026Trustindex verifies that the original source of the review is Google.
We wanted to retrofit our home to improve energy efficiency, change to an air source heat pump (ASHP) and add solar panels and a battery. Aventus Eco was recommended by a Retrofit Consultancy. Sean clearly explained and planned out the processes for our ASHP. We really felt that he was interested to make it work well for us. Installation was smooth. The team was well coordinated and communicated well during the process. They completed the work to a very high standard and minimised any disruption to our home. We were so impressed with the ASHP fitting that we quickly followed this up with Aventus Eco planning and installing our solar panels and battery. We would highly recommend Sean and the Aventus Eco team.Posted on Google![]()
Alison Hyde4 August 2026Trustindex verifies that the original source of the review is Google.
Changing from gas central heating to renewables isn’t simple but, having asked four companies to quote to convert our system, Sean stood out as someone who cared about getting the design right, optimising it for our house while clearly explaining how and why. He helped us understand how heat pumps, solar panels and batteries all work together and gave us confidence that the conversion would be possible and relatively simple. The Anvetus installation team were brilliant - polite and efficient with a can-do attitude to problem solving. They cared about our property, checking in with us as they worked and clearing up as much as possible each day. Everything felt planned and coordinated and a heat pump, new hot water tank and system, 10 solar panels and a battery were installed and up and running in a week, despite some unexpected challenges along the way. The whole team went out of their way to make this a smooth experience, from initial visit to final handover paperwork. We would highly recommend Sean and Aventus Eco.Posted on Google![]()
Dale Lafferty19 July 2026Trustindex verifies that the original source of the review is Google.
Our household was going through the Home Energy Scotland grant and loan scheme as we qualified for a heat pump. Sean came recommended by an insulation company and I’m glad that I reached out. Despite being very busy, Sean was keen to get a solution for us, his knowledge and work ethic came across immediately so we were happy to have Aventus take on the work. Meeting, survey, work scheduled, and completed to a very high standard. We’re very happy with our heat pump system as well as the ongoing support from Sean.Posted on Google![]()
Stephen Sydenham9 July 2026Trustindex verifies that the original source of the review is Google.
Very pleased with fitting service and the performance of the solar panels and batteries. A good neat job completed with everything clearly explained.Posted on Google![]()
Stuart Campbell27 May 2026Trustindex verifies that the original source of the review is Google.
Sean and the team at Aventus Eco did a fantastic job installing our air source heat pump. They were really friendly, proactive and efficient throughout the whole process. After trying to find a suitable air source heat pump installer for a number of years, Sean filled us with confidence from the moment we met him. He was the first person who properly reassured us about the design, the suitability of the system and the long-term cost benefits. The installation itself was carried out with real care and professionalism. The team put everything back in place afterwards and left the house as though they had never been there. Since the instal, the house now constantly feels like it is at a comfortable temperature, and the amount of energy we use on a daily basis compared to our old electric boiler has been reduced. We are looking forward to seeing how this continues in the colder months. We would happily recommend Aventus Eco and Sean to anyone considering an air source heat pump.Posted on Google![]()
Chris Carus9 May 2026Trustindex verifies that the original source of the review is Google.
Very happy with the annual service and performance improvements on my Vaillant heat pump.Posted on Google![]()
Carey Doyle15 April 2026Trustindex verifies that the original source of the review is Google.
Excellent experience with Aventus, from the quality of the install to the customer support. Would recommend highly.Posted on Google![]()
louise allen13 March 2026Trustindex verifies that the original source of the review is Google.
Sean went out of his way to fix a heat pump he hadn’t even installed. I would recommend him highly.Posted on Google![]()
Peter Morton24 February 2026Trustindex verifies that the original source of the review is Google.
While I haven't had work carried out yet by Aventus, I have had some detailed communication with Sean and he's provided some technical advice FOC. His knowledge and professionalism is a credit to his business.Posted on Google![]()
Alison McLean1 February 2026Trustindex verifies that the original source of the review is Google.
Sean and the team at Aventus Eco provided exceptional support when we needed it most. Our heat pump had been incorrectly installed by another company that has since gone into liquidation, leaving us with nearly three years of no heating, ongoing faults, and constant leaks. Aventus Eco truly saved the day. Sean quickly identified the issues that had caused continuous problems for years and resolved them properly. We finally have warmth in our home again, along with peace of mind and renewed hope. The service has been first class throughout, with excellent ongoing support. I cannot recommend Sean and Aventus Eco highly enough and would like to thank them for their professionalism, expertise, and commitment to doing things right.Posted on Google![]()
Christopher Keel16 December 2025Trustindex verifies that the original source of the review is Google.
Brilliant service would use again.Posted on Google![]()
Sid Ambrose22 November 2025Trustindex verifies that the original source of the review is Google.
You would have to look far and wide to find a Company as helpful as Aventus Eco . Sean from Aventus was able to face time my dad and talk him through concerns about how his air source heat pump was performing during cold weather . We managed to resolve the issues with Sean's patient help and expert knowledge. Many thanks again to a genuine guy , would highly recommend.Posted on Google![]()
sreeram vs28 October 2025Trustindex verifies that the original source of the review is Google.
Outstanding Service from Aventus Eco Ltd – Highly Recommended! I had been struggling with unusually high electricity consumption—around 50 kWh per day—due to my air source heat pump system. Despite reaching out to multiple companies, including the original installer, no one was willing to help or even respond. That’s when I contacted Sean from Aventus Eco Ltd, and I’m so glad I did. Sean promptly visited my home, conducted a thorough evaluation of all relevant factors, and successfully identified the root cause of the issue. He didn’t stop there—he also provided a detailed report that I could share with the installer and even offered to assist further in resolving the problem. Sean’s professionalism, technical expertise, and willingness to go the extra mile truly set him apart. He is an absolute superstar, and I can’t recommend Aventus Eco Ltd highly enough for anyone facing similar challenges.Posted on Google![]()
Duncan Livingstone2 October 2025Trustindex verifies that the original source of the review is Google.
Exactly as the process should be – right from start to finish Aventus Eco fitted solar panels, battery storage and an air-source heat pump, and the whole experience has been great. There was no hard sell from these guys, just lots of advice from people who clearly care about what they do, their business and their reputation. They took the time to get the design right for my home, including properly working out our power use and heat loss and sizing everything accordingly. The solar panels were a no brainer, but Aventus suggested right sizing the solar panels and adding battery storage. Home energy when the sun’s not shining – brilliant. It’s working flawlessly. The heat pump means I’m no longer dependent on global oil and I’ve cut my carbon footprint. Heat pumps get a lot of bad press, often due to hard-sell companies pushing numbers rather than doing the job properly. The difference here is the care Aventus put in, and the work they have done with Heat Geek and their accreditation process (check their Youtube videos). That was the deciding factor. None of the other companies I spoke to had it. It gave me real confidence everything would be set up properly — and it shows. Originally, I wanted to keep the oil boiler “just in case”. I’m glad I took the leap to ditch it and trust the Aventus design. The house is comfortable and warm throughout. Neat install, great communication, and they made the grant process easy. Aventus Eco combine technical know-how with genuine customer care, and I’d happily recommend them. Thanks. Genuinely.+2Posted on Google![]()
Arthur McGibbon22 September 2025Trustindex verifies that the original source of the review is Google.
sean at Aventus Eco upgraded our battery storage and also a service on our heat pump he talked us through the process from start till finish i have Nothing but praise for the company and from Sean I would recommend these guys 100% and use them again in the future.Posted on Google![]()
David Acheson19 September 2025Trustindex verifies that the original source of the review is Google.
Great experience using Aventus Eco to install a Heat pump at our terraced home. Very efficient from start to finish from Sean & co, took 4 days and we’re really happy with how it’s working. Sean also took time to talk us through how it all works and has been on hand to answer any question post-installation. Will be recommending them to friends and family.+2Posted on Google![]()
Colin Moss24 August 2025Trustindex verifies that the original source of the review is Google.
Aventus Eco upgraded our battery storage quickly and really easily, and fixed problems our original installer had left. Nothing but praise for the company.Posted on Google![]()
Dee Kay15 August 2025Trustindex verifies that the original source of the review is Google.
Great experience from start to finish, excellent customer service and a job well done !Posted on Google![]()
Robert Henderson14 August 2025Trustindex verifies that the original source of the review is Google.
Outstanding service, difficult decision to make to change to air source heat pump especially give the level of misinformation. Sean/Aventus Eco were outstanding in helping me explore and decide that this was right solution. Additionally it involved full house re-plumb because of problems with the old system, This was handled sensitively and professionally by all the members of the team with Sean setting very high expectations for everyone. I had hesitated because of the level of disruption but in fact it all went very smoothly. Thank you Sean/Aventis Eco and your team. I have no hesitation in fully recommending Sean and Aventus Eco Ltd.Posted on Google![]()
Christine C3 July 2025Trustindex verifies that the original source of the review is Google.
Excellent service before & after installation We've had very attentive customer service from Sean, and are very happy with the outcome of the installation of solar panels & batteries. We are also grateful for his knowledge and input into adjusting our heat pump and currently our bills are massively reduced. Being able to text Sean at any time to ask a question and get a helpful reply within a reasonable amount of time has been a very important aspect to me of the service before and after installation. I would recommend Aventus Eco. Date of experience: May 02, 2025Posted on Google![]()
Amy C11 May 2025Trustindex verifies that the original source of the review is Google.
Sean with Aventus Eco came out and walked us through the entire process of solar panels from start to finish, and we are so chuffed with the results. Sean is a brilliant guy who really is diligent to give you the best service. Not only that, I know if we had any questions in the future he would be here to help us out in a heartbeat. He gives top quality service and wants to make sure you’re 100% happy. You’re definitely in safe hands with Aventus Eco, we would highly recommend!Posted on Google![]()
Mhairi Anne McFarlane15 April 2025Trustindex verifies that the original source of the review is Google.
After calling many companies and having an electrician come and wrongly replace our fit meter Sean could not have been more helpful. He took the time to help, explained everything so well despite it being a small job. He arranged for an electrican to come and checked in afterwards. I couldn't rate him higher, we are very grateful for his help.Posted on Google![]()
Chris Morgan3 April 2025Trustindex verifies that the original source of the review is Google.
Fantastic service from Sean. Extremely knowledgeable about energy efficiency. Customer service has been amazing from start to finish including checking after a few weeks in to make sure everything was perfect. A level of aftercare I haven’t experienced anywhere else.Posted on Google![]()
Paul Prior13 March 2025Trustindex verifies that the original source of the review is Google.
Aventus Eco installed solar panels and a battery and all went like clockwork. Now running virtually all day on a few £ of off peak electricity (Octopus) and the rest is solar feeding into the battery. Very pleased with the result and the thorough job done by Aventus Eco.Posted on Google![]()
Kimberly Sloof18 December 2024Trustindex verifies that the original source of the review is Google.
After having several companies provide quotes for solar panels for my husband and me, Aventus ECO was by far the best. Their team was professional, transparent, and most importantly, there was no high-pressure sales pitch at all!Posted on Google![]()
Marie Penrice26 November 2024Trustindex verifies that the original source of the review is Google.
We initially had Sean over to provide a quote, and as we didn’t know much about heat pumps, he explained everything clearly and in a way we could easily understand. He emphasized the importance of proper heat loss calculations for our property, which helped us determine which existing radiators we could keep. Sean also walked us through how the system would operate once installed and shared tips on how to get the best efficiency from it. When the team came to install the system, the entire process was incredibly streamlined and completed in just three days. The guys made sure to cover all our carpets and left the place spotless. I can honestly say Sean and his team were fantastic—our heat pump is now up and running, and even on the coldest days, our energy usage is nearly half compared to gas. Although we’ve needed to tweak a few settings, Sean took the time to show us exactly how to adjust everything. I would highly recommend him and his team to anyone. In fact, we’ve already referred him to our neighbors, and he’s now working on their system too. Thanks again, Sean and teamPosted on Google![]()
Tony McCole16 October 2024Trustindex verifies that the original source of the review is Google.
We had an excellent experience with Sean and his team at Aventus Eco. They recently installed our air source heat pump and hot water system, and Sean was hands-on throughout the entire process. What really stood out was the additional guidance Sean provided about how we could improve our home’s insulation and reduce drafts. He explained how making these simple DIY improvements would help lower the heat loss in our home, ultimately reducing our energy bills in the long run. Sean’s approach was practical and cost-conscious, giving us great tips for upgrades that we could do ourselves to make the system even more efficient. The level of detail and care he put into both the installation and the advice was impressive. It’s clear that Aventus Eco is dedicated to not just installing systems, but making sure they perform at their best for the customer. We couldn’t be happier with the outcome and would definitely recommend Aventus Eco to anyone looking for a reliable, knowledgeable, and customer-focused company.Posted on Google![]()
Shereen Ackrim14 October 2024Trustindex verifies that the original source of the review is Google.
Aventus Eco is hands down the best company I’ve worked with in a long time. From the first phone call, I knew I was in good hands. Sean took the time to understand my needs and walked me through the entire process, from initial consultation to installation day. What really stood out to me was how well they communicated — I always knew what was happening and when. There were no surprises, and the installation was done ahead of schedule! The heat pump has been running flawlessly, and I’ve already noticed a drop in my energy bills. I highly recommend Sean and his team for their professionalism and efficiency!Posted on Google![]()
Martin Mann20 June 2024Trustindex verifies that the original source of the review is Google.
I recently had an air source heat pump installed by Aventus Eco, and I couldn’t be happier with the experience. Sean was my main point of contact, and he was fantastic. He walked me through the entire process from start to finish, explaining everything clearly and making sure I understood what to expect. On the day of the installation, the team showed up on time and got straight to work. They were professional and efficient, and the whole installation went smoothly. They took the time to ensure everything was set up correctly and even cleaned up after themselves, leaving no mess behind. The heat pump itself is working great, and I’ve already noticed a difference in my home’s comfort and energy efficiency. Overall, I’m really pleased with the service from Aventus Eco and would definitely recommend them to others. Thanks again to Sean and the whole team!Posted on Google![]()
Robyn McDougall3 June 2024Trustindex verifies that the original source of the review is Google.
I chose Aventus Eco to install an air source heat pump in my home, and it was a fantastic decision. The level of professionalism displayed by the entire team was impressive. They arrived on time, respected our property, and completed the job to a high standard. The heat pump is performing wonderfully, and we’re enjoying a more comfortable home environment. Aventus Eco exceeded our expectations in every way!Load moreVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
We’ll assess your roof, explain your options, and leave you to decide.
5.0Top Rated Installer 2026verified by TrustindexTrustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
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