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Building servicesBest AI for quotes and cost estimates in building services engineering
Draw up quotes, estimates and costings faster. 6 tools we track for building services.
OpusFlowGDPR: Strong- Provider based in the Netherlands
- Data in the EU according to the provider
- Publishes certification/GDPR safeguards
from €99/user/month (annual contract, min. 3 licences) · free trial
View OpusFlowCompare all 6
Strongest published GDPR safeguards first.
OpusFlowOpus4All B.V. · Netherlands · free trialDutch ERP platform for installers of solar panels, heat pumps, charging points and batteries. Combines CRM, design (PV Designer), scheduling, warehousing and invoicing in one system. More than 3,000 users; €3.8 million growth funding (2024).from €99/user/month (annual cont…Strong2
ActoBusinessActo Software · NetherlandsERP platform built for installation companies (50+ employees), with AI agents for estimating, project monitoring, capacity planning and CO₂ impact. Over 45 years of sector experience and DICO-certified.on request (demo)Good3
Ellow AI voor installatietechniekEllow · NetherlandsDutch Microsoft AI partner that helps building services companies with Copilot, AI Agents and custom automation: from automatic work orders and maintenance forecasts to quotes based on project history.on 
on requestLimited4
Ibis CalculerenAceve Nederland · NetherlandsLeading estimating software for building services in the Netherlands. Includes standard times from Techniek Nederland, BIM-driven quantity take-off and MKI/CO₂ comparison. Over 50 years of market experience; present at the Installatie Vakdagen.on requestLimited5
SollitSollit B.V. · NetherlandsDutch all-in-one platform for installers of solar panels, heat pumps, charging points and batteries. Sollit (formerly 2Solar, founded in 2013) covers the full workflow from lead to invoicing and is used by more than 1,000 companies across Europe.on requestLimited6
ECI Installatie ERPECI Software Solutions · Outside EUCloud ERP system from ECI Software Solutions built specifically for installation companies: it digitises the entire process from pre-costing to invoicing. Available on any device, and it presented AI features ('Practical AI for ERP') at the Installatie Vakdagen.on requestUnknownNo tools match these filters.
Look out for in building services
Project data and customer details (address, energy consumption, installation status) are personal data under the GDPR. Only use systems with a data processing agreement and EU hosting. Technical documentation from manufacturers may be protected by copyright; check the usage licence before loading it into an AI system. AI estimates are always a starting point, expert verification remains essential.
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Frequently asked questions
- What is the AI for quotes and cost estimates in building services?
- Of the 6 tools we track for building services, OpusFlow has the strongest published GDPR profile. Also check the price and whether there is a free trial.
- Am I allowed to use confidential data in building services?
- Project data and customer details (address, energy consumption, installation status) are personal data under the GDPR. Only use systems with a data processing agreement and EU hosting. Technical documentation from manufacturers may be protected by copyright; check the usage licence before loading it into an AI system. AI estimates are always a starting point, expert verification remains essential.
- How is this order determined?
- Based on the GDPR profile the provider publishes, then the free trial, public pricing and features. Nobody pays for a place.
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