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AllegroSolar collector manufacturer with ROAS 15 on Allegro Ads: Case Study ProEco Solutions
About the client
Our client, ProEco Solutions, is a renowned Polish manufacturer of solar collectors and water heaters, specialising in comprehensive renewable energy solutions. ProEco Solutions places a strong emphasis on education and on raising awareness of the key role solar energy plays in everyday life. The company concentrates on promoting solar-powered products that help users save energy and look after the environment in a sustainable way. As an established manufacturer of renewable energy equipment, the company is growing rapidly in the market, and its commitment is playing a significant part in shaping the future of the industry.
What you’ll find in the ProEco Solutions range
| Product category | Example products |
|---|---|
| Solar collectors | evacuated tube and flat-plate collectors |
| Solar kits | complete water heating systems |
| Solar controllers | control units, system regulators |
| Solar collector parts | fittings, mounting hardware, accessories |
The industry
The solar energy industry presents marketplace sellers with several challenges at once. Heavy, bulky shipments and easily damaged tubes drive up logistics costs and the risk of damage claims. Selling solar energy equipment online requires building a high level of trust – solar products are investment purchases, and customers scrutinise technical specifications and payback periods. Even so, marketplaces are becoming an increasingly important channel for reaching both private customers and installers, combining sales of ready-made kits with sales of spare parts and accessories.
Challenges
ProEco Solutions’ main goal was to grow sales and, as a result, raise brand awareness on Allegro. As a Polish manufacturer of solar kits, the company wanted not only to reach more customers but also to stand out in a competitive category. The key challenges included:
Improving the look and quality of the listings so that they were visually appealing and provided complete information.
Filling the gaps in the product catalogue.
Managing seasonality – in other words, structuring the range so that online sales of solar kits would be possible and stable all year round, not just in season.
All of this was aimed at building a strong, professional brand presence on Allegro and turning the account into an effective sales channel.
What we did
Strategy
To address the client’s goals and challenges, we developed a comprehensive strategy based on three pillars:
Optimising existing listings
We started by auditing the existing listings from both a visual and a technical perspective. We rebuilt the listing templates, improved the product descriptions, added missing parameters and optimised titles and photos for Allegro’s search engine.
Updating the product catalogue
We cleaned up the product catalogue data, filling in the key technical specifications that consumers need when making a purchase decision.
Managing seasonality
We rolled out a promotional plan tailored to shifts in demand – with a stronger focus on solar kits and water heaters in spring and summer, and on selling parts and accessories for solar installations on Allegro in autumn and winter. We backed this up with an Allegro Ads campaign to match.
Results
Steadily growing sales
Thanks to the measures we put in place, sales on Allegro grew steadily. In April 2025, we recorded a spectacular increase – sales almost three times higher than a year earlier. April turned out to be a record month, driven by full product availability, the launch of the new Argos water heaters and a well-prepared advertising campaign. Even in typically ‘slower’ months (e.g. December or November), we managed to keep results stable by promoting year-round products.
| March 2024 | 90,402.11 |
|---|---|
| April 2024 | 121,533.86 |
| May 2024 | 149,174.95 |
| June 2024 | 84,231.25 |
| July 2024 | 90,644.19 |
| August 2024 | 65,602.14 |
| September 2024 | 62,036.49 |
| October 2024 | 60,321.42 |
| November 2024 | 48,683.91 |
| December 2024 | 44,993.43 |
| January 2025 | 61,750.93 |
| February 2025 | 76,753.27 |
| March 2025 | 219,347.18 |
| April 2025 | 335,800.95 |
| May 2025 | 178,288.29 |
| June 2025 | 188,410.25 |
| July 2025 | 177,231.04 |
| August 2025 | 81,074.46 |
Ad performance recognised by Allegro
The results of our advertising work on the ProEco Solutions account were also noticed by Allegro itself. The platform invited us to join the ranks of sellers whose success stories are featured on its official website as inspiring case studies.
Allegro Ads – 12 months
| Metric | Value |
|---|---|
| Cost | PLN 29,481.61 |
| Ad sales | PLN 444,307.22 |
| Total sales | PLN 1,542,335.56 |
| ACOS | 6.64% |
| TACOS | 1.91% |
| ROAS | 15.07 |
| CPC | PLN 0.64 |
| Impressions | 2,348,768 |
| Clicks | 46,297 |
| Favourites | 4,282 |
| Units sold | 5,957 units |
Long-term action plan
Building on the results so far, we are planning the next stages of sales growth:
- Scaling advertising campaigns on Allegro: We will step up our campaigns at key moments in the season and test new ad formats (banner and video).
- Expanding the product range: The product portfolio keeps growing – new solar water heaters and technical components are added every month.
- Building brand awareness: Positioning the brand as an expert in the renewable energy sector builds trust among marketplace buyers.
As a result, ProEco Solutions, a solar collector manufacturer, is consolidating its position in the market and becoming one of the leaders in its category.
Summary
Our work with ProEco Solutions shows that success on the Allegro platform comes down to effective management of the range, an understanding of the industry’s seasonality and consistent listing optimisation. The brand has built a strong position on one of the most competitive marketplaces in Poland and continues to grow its online sales of solar energy equipment.
Are you a seller in the energy sector looking to achieve similar results for your business?
We specialise in supporting manufacturers and distributors selling on Allegro and other marketplaces. For many years, we’ve been helping companies across a range of industries increase the visibility of their listings, improve conversion and scale their online sales.
If you’re wondering whether your business has the potential to grow on marketplaces – let’s talk. We’ll analyse your situation and tell you honestly whether, and how, we can increase your profits.
- PLN 444kin sales from Allegro Ads
(12 months) - PLN 336kin sales for April 2025
(a record month)
Let's talk about growing your sales across marketplaces!
