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Replacement of components in air-conditioning chambers at BULATSA sites
Подмяна на компоненти в климатични камери в обекти на ДП РВД — original title
Your path to submission
- Deadline: 4 December at 23:59 — 34 days left.
- You submit on ЦАИС ЕОП — not here and not by e-mail. ↗
- Offer and evidence in: Bulgarian.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
The subject of the contract includes the replacement of components for 27 air conditioning/ventilation systems and covers the performance of the following activities in accordance with the Technical Specifications of the Contracting Authority: dismantling of existing components and routes from a black pipe, as well as their transportation to the Contracting Authority's warehouse; delivery of 46 fans, 50 heat exchangers and water routes for them, 43 movable louvre grilles, 49 three-way valves, as well as the necessary sets of peripheral components; carrying out all accompanying installation work on the newly supplied equipment, including all necessary settings, start-up, samples and tests, reprogramming and adjustment of communication modules, communication interfaces and other hardware and software elements necessary for the normal operation of the installations.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 4 months (12 awards, most recently June 2026) — by that rhythm the next award was due around October 2026. The last award went to ЛИРЕКС БГ ООД.n = 12
- 62% of this buyer's awards went to companies that had already won here before (815 awards since 2020, spread over 256 companies). 38% went to new names.n = 815 awards since 2020
- 62% of the bids received came from small and medium-sized enterprises (158 procedures with a bid mix). Sector: 30%.n = 158
- 9% of awards went to companies from abroad (815 awards with a known winner country). Sector average: 0%.n = 815
- The median procedure drew 2 bids (691 procedures with a bid count); 45% ended with a single bidder. Sector: median 2 bids.n = 691
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
What you must prove — eligibility criteria
Tender documents — direct download
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| ЛИРЕКС БГ ООД | 33 | 2021–2026 |
| СИЕНСИС АД | 20 | 2022–2026 |
| А1 България ЕАД | 18 | 2021–2026 |
| ТЕЛЕЛИНК БИЗНЕС СЪРВИСИС ЕАД | 16 | 2022–2026 |
| КОНТРАКС АД | 15 | 2021–2026 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, usually only one or two bids came in. A solid bid has a real chance here. (Based on 10 completed awards — not a statement about this procedure.)
This procedure allows 43 days between publication and deadline — typical in this country is 30 (median of 1,862 procedures). Much more generous than usual — time for a thorough bid rather than a quick one.
Foreign bidders
In Bulgaria · Industrial machinery, 1 contract went to a foreign company over the last 3 years (of 1,504 recorded awards).
Submission language: Bulgarian.
How to bid
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