Heat Geek Mastery Trained Heat Pump Installer in Scotland: Designed Properly, Installed Once

  
 
 
 
  
 
5.0
 
5.0
 
Top Rated Heat Pump and Solar Installer 2026
 
 
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Top Rated Heat Pump and Solar Installer
 
 
 5.0 Excellent rating Last 12 months 
 
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 Verified by Trustindex Based on real customer reviews Learn more 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Amanda Flockhart 
 
7 October 2026
 
 
 Trustindex verifies that the original source of the review is Google. 
+0
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.
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Ben 
 
19 August 2026
 
 
 Trustindex 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.

Owner's reply
Ben, thanks for taking the time to write this up 🙌🏻 Retrofit projects only work if the planning is right before anyone lifts a tool, so it's good to hear that side of it landed for you. Honestly though, coming straight back to us for the solar and battery after the heat pump is the best feedback we could get. Enjoy the warm house and the smaller bills, and shout if you ever need us.
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Alison Hyde 
 
4 August 2026
 
 
 Trustindex 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.

Owner's reply
Thanks Alison! Designing the heat pump, solar and battery as one system is where the real gains are, so I'm glad the how and why of it all made sense from that first visit. Credit to the install team for getting a full conversion done in a week, unexpected challenges included. Any questions as you get to know the system, you know where we are.
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Dale Lafferty 
 
19 July 2026
 
 
 Trustindex 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.

Owner's reply
Dale, really appreciate you taking the time to leave this 🙌🏻 Was a pleasure working with you from the survey right through to the install. Glad the heat pump’s performing well and that we could make the whole process as straightforward as possible. Thanks again for putting your trust in us!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Stephen Sydenham 
 
9 July 2026
 
 
 Trustindex 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.

Owner's reply
Thanks Stephen, brilliant to hear you’re happy with the solar and battery setup 🙌🏻 Glad the install went smoothly and everything was explained clearly along the way. Enjoy the energy savings!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Stuart Campbell 
 
27 May 2026
 
 
 Trustindex 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.

Owner's reply
Stuart, really appreciate you taking the time to write this 🙌🏻 Was a pleasure getting everything set up for you after you’d been looking for a suitable installer for a while. Great to hear the home’s comfortable and you’re already seeing the difference from the old electric boiler. Thanks again for the recommendation!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Chris Carus 
 
9 May 2026
 
 
 Trustindex verifies that the original source of the review is Google. 
Very happy with the annual service and performance improvements on my Vaillant heat pump.

Owner's reply
Chris, thanks for sharing this 🙌🏻 Great to hear the annual service and tweaks have your Vaillant heat pump performing even better!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Carey Doyle 
 
15 April 2026
 
 
 Trustindex 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.

Owner's reply
Carey, great to hear that 🙌🏻 Glad you’re happy with both the install and the support after. That’s exactly what we aim for. Thanks a lot for the recommendation!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 louise allen 
 
13 March 2026
 
 
 Trustindex 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.

Owner's reply
Louise, thanks so much for sharing this 🙌🏻 Glad we could get your heat pump sorted, even though we didn’t install it originally. Your recommendation means a lot!

– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Peter Morton 
 
24 February 2026
 
 
 Trustindex 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.

Owner's reply
Peter, really appreciate you saying that 🙌🏻 Always happy to chat things through and offer advice, even if you’re just exploring options at this stage. Getting the right info early on can save a lot of hassle down the line!

If you ever decide to move forward, we’ll be here.
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Alison McLean 
 
1 February 2026
 
 
 Trustindex 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.

Owner's reply
Alison, thanks so much for sharing this! Three years without proper heating is brutal, so getting your heat pump finally sorted and the house warm again really mattered to us. Delighted we could put things right and give you that peace of mind back 🙌🏻 Appreciate the trust more than you know.
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Christopher Keel 
 
16 December 2025
 
 
 Trustindex verifies that the original source of the review is Google. 
Brilliant service would use again.

Owner's reply
Thank you so much Christopher, glad to hear it! Always here if you need anything down the line 🙌🏻
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Sid Ambrose 
 
22 November 2025
 
 
 Trustindex 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.

Owner's reply
Massive thanks, Sid. Glad we could get your dad sorted remotely 🙌🏻 Cold weather can throw up questions with heat pumps, but a bit of guidance goes a long way. Appreciate the kind words and trust.
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 sreeram vs 
 
28 October 2025
 
 
 Trustindex 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.

Owner's reply
Sreeram! Really appreciate that 🙏🏼 Was a tricky one, but I’m glad we could get to the bottom of it and help steer things in the right direction. Nobody should be left in the dark when their heat pump’s draining 50 kWh a day. Always happy to help where others won’t.
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Duncan Livingstone 
 
2 October 2025
 
 
 Trustindex verifies that the original source of the review is Google. 
+2
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.

Owner's reply
Duncan, this one means a lot 🙌🏻 Loved working on your project and hearing how everything’s running now — from solar to battery to heat pump. You totally nailed the point: it’s all about proper design, not sales. Big thanks for the trust (and for mentioning Heat Geek too — that made our day). Enjoy the comfort and the independence 👌🏼
– Sean, Aventus Eco
Ps the photos of cylinder was when insulation wasn’t finished 😉
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Arthur McGibbon 
 
22 September 2025
 
 
 Trustindex 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.

Owner's reply
Thank you Arthur I’m glad you and Helen are all up and running .thank s again for choosing Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 David Acheson 
 
19 September 2025
 
 
 Trustindex verifies that the original source of the review is Google. 
+2
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.

Owner's reply
You are very welcome , cracking install for us to do , enjoy your nice warm home ( who says old sandstone homes can’t have a heat pump eh )and congratulations when the little one arrives 🫶🏼
Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Colin Moss 
 
24 August 2025
 
 
 Trustindex 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.

Owner's reply
Appreciate the feedback Colin glad to see your bills are pretty much zero 👌🏼
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Dee Kay 
 
15 August 2025
 
 
 Trustindex verifies that the original source of the review is Google. 
Great experience from start to finish, excellent customer service and a job well done !

Owner's reply
Thanks again for your custom 🫶🏼
Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Robert Henderson 
 
14 August 2025
 
 
 Trustindex 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.

Owner's reply
Robert one of my most favourite jobs we have done. A proper challenge and turned out better than I expected . Thank you for the lovely review 
Sean
Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Christine C 
 
3 July 2025
 
 
 Trustindex 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, 2025

Owner's reply
Thanks Christine , can’t believe the savings you guys have had this year already . Amazing stuff .and thank you for the review.
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Amy C 
 
11 May 2025
 
 
 Trustindex 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!

Owner's reply
Tink you Amy, I’m Glad you are all happy and enjoying the savings 🫶🏼
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Mhairi Anne McFarlane 
 
15 April 2025
 
 
 Trustindex 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.

Owner's reply
You are very welcome . All in a days work 💪🏼
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Chris Morgan 
 
3 April 2025
 
 
 Trustindex 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.

Owner's reply
Appreciate the kind words . Thanks Chris 🙌🏻
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Paul Prior 
 
13 March 2025
 
 
 Trustindex 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.

Owner's reply
A great win all round . Still can’t belive the savings you are making , better than we forecasted 🙌🏻 thanks again Paul
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Kimberly Sloof 
 
18 December 2024
 
 
 Trustindex 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!

Owner's reply
Thanks so much, Kimberly — was great working with you both on the solar setup ☀️ No pushy sales here, just honest advice and a proper install. Appreciate you choosing us!
– Sean, Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Marie Penrice 
 
26 November 2024
 
 
 Trustindex 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 team

Owner's reply
Thanks Marie , glad you are enjoying the system and nice and warm 😁
Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Tony McCole 
 
16 October 2024
 
 
 Trustindex 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.

Owner's reply
You are very Welcome Mr McCole . Thanks again for the review 👌🏼
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Shereen Ackrim 
 
14 October 2024
 
 
 Trustindex 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!

Owner's reply
Glad to hear it’s still working away perfect and everyone is nice and warm . Thank you again 
Sean
Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Martin Mann 
 
20 June 2024
 
 
 Trustindex 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!

Owner's reply
Martin—really appreciate the detailed review 🙌🏻 Was a pleasure walking you through the whole process and getting the system up and running. Glad to hear the heat pump’s already making a difference at home 👌🏼 Big thanks again for trusting us with it.
– Aventus Eco
  
 
 
 
 
 
 Posted on Google  
 
 
 
 
 
 Robyn McDougall 
 
3 June 2024
 
 
 Trustindex 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!

Owner's reply
Delighted to hear that Robyn — sounds like the heat pump’s doing its job nicely 👌🏼 Really appreciate the kind words and glad the team made a great impression. Enjoy the comfort (and the energy savings too!) 🫶🏼
– Aventus Eco