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DeepSeekInstallation engineering

DeepSeek for HVAC and building services

Open-weight (MIT) Chinese language model with a 1M context window and a built-in reasoning mode, at very low API costs.

Not specifically recommended

DeepSeek is not on our list for building services engineering. Usable for general work, but first look at the options we recommend for building services engineering.

GDPR profileOur summary of what the provider itself publishes about your data: EU hosting possible, no training on your data for business use, and self-hosting available. Caution applies to a model with a documented problem, such as an investigation by a regulator. How we measure
GDPR: Caution
QualityQuality from blind duels on LMArena: users choose between two anonymous answers. A difference of about 20 points is noticeable, a few points is noise. How we measure
1475Elo, independent
Editorial scoreOur own assessment on 10 of suitability for professional work, price and privacy. This is a judgement, not a measurement; that is why it always sits alongside the Elo. How we measure
7,4
Entry price
Free
Full GDPR check

What DeepSeek does in installation engineering

Core tasks in installation technology
Where DeepSeek is strong
  • Very low API costs
  • Open weights (MIT), self-hostable
  • Strong at reasoning, maths and code
  • Large context window (1M tokens)

DeepSeek has a concrete GDPR concern. The DeepSeek service stores personal data in China and was blocked by the Italian regulator in January 2025. Not advisable for regulated sectors unless you host the model yourself within the EU. Weigh this heavily before using it in installation engineering.

Confidentiality and GDPR

GDPR: Caution

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.

The DeepSeek service stores data in China and uses it for training by default (with an opt-out). Only an EU self-hosted variant of the open weights is defensible for sensitive data.

Rule of thumb Use the business variant with a data processing agreement, and keep a human in the loop for decisions that matter.
Caution the DeepSeek service stores personal data in China and was blocked in January 2025 by the Italian regulator. Advised against for regulated sectors, unless you host the model yourself within the EU.

Prices

Chat / appFreeOn chat.deepseek.com
Self-hostingFreeOpen weights, your own compute costs
API (V4.1-Flash)$0.15 / 1M in$0.60 / 1M out (off-peak rate); peak hours (Mon–Fri 01–04 and 06–10 UTC) at double the price; cache-hit input $0.003 per 1M
API (V4-Pro)$0.66 / 1M in$1.98 / 1M out (off-peak rate); peak hours at double the price; cache-hit input $0.022 per 1M

Other models for installation technology

Claude for installation technologyAnthropic · editorial 9.01506Gemini for installation technologyGoogle · editorial 8.61527ChatGPT for building servicesOpenAI · edition 8.91485Copilot for installation technologyMicrosoft · editorial 8.31485
All options for installation technology
Professional tools on DeepSeek

We are not aware of a professional tool for installation engineering that publicly runs on DeepSeek.

Questions about DeepSeek for installation engineering

Is DeepSeek suitable for installation engineering?
Not specifically. DeepSeek is not on our list for building services engineering; it is broadly usable, but first look at the options we recommend for building services engineering. Keep a professional in the loop for every deployment.
May I put confidential data into DeepSeek?
Project data and client details (address, energy use, installation status) are personal data under the GDPR. Only use systems with a data processing agreement and EU hosting. Manufacturers' technical documentation may be protected by copyright; check the usage licence before loading it into an AI system. AI calculations are always a starting point, professional verification remains essential. The DeepSeek service stores data in China and by default uses it for training (with an opt-out). Only an EU self-hosted version of the open weights is defensible for sensitive data.
What does DeepSeek cost?
There is Chat / app (Free), Self-hosted (Free), API (V4.1-Flash) ($0.15 / 1M in), API (V4-Pro) ($0.66 / 1M in). Check current prices on the official site.
Next stepAll 31 options for building servicesProfessional tools and general assistants side by side, on GDPR profile, price and quality.

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