Building renovation: B.One Guide
Planning of building renovations for energy efficiency, CO₂ reduction and value retention.
rh2010 – AdobestockBrunata Minol
Heating billing and property services
from experts
Minol supports the housing and real estate industry as well as private landlords with digital solutions and energy management on the path to sustainable management and modernization of real estate.
Brunata Minol
Our solution portfolio at a glance
contrastwerkstatt – stock.adobe.Heating bill from a professional
Everything you need to know about the annual billing – from the meter reading to the fair distribution of costs.
bnenin – stock.adobe.comReal estate services from Brunata Minol
Learn more about property services such as smoke detectors, energy performance certificates, and more.
alvarez – iStockIdeas for greater sustainability
With B.One Eco, we support property owners in the energy transition.
Seventyfour – stock.adobe.comMeasurement technology and data services
Smart metering technology simplifies consumption recording and billing.
alvarez – iStockWe support the housing industry through the energy transition.
Brunata Minol brings the future and sustainability to the market: With solutions for the digitalization of heating and operating cost accounting, as well as offerings in the areas of electromobility, photovoltaics and tenant electricity, Minol supports the housing and real estate industry in the future-proof and sustainable modernization of properties.
Current top topics from Brunata Minol
Jacob Lund Photography – stock.adobe.com
Westend61 / Bartek SzewczykB.One tenant electricity
With B.One Tenant Electricity, landlords receive a complete, worry-free package for implementing their project. From analysis to operation.
Dorde – stock.adobe.com – Đorđe KrsticOffer generator for private landlords
With the online quote calculator, you will receive your individual quote for the creation of your heating cost statement with Minol in just a few minutes.
Tati – stock.adobe.comSwitch to e-invoicing
With e-invoicing, you save time, money, and paper while complying with all legal requirements. Switch now!
B.One: The solution world of the Minol-ZENNER Group
Our products and solutions have a new name. B.One stands for interoperability, technological openness, security, and reliability, and connects smart solutions for energy, buildings, and IoT into an intelligent whole. Everything remains familiar for you – only better, more innovative, and more customer-friendly.
Experience how we rethink proven concepts and discover the whole B.One story.
Westend61 – stock.adobe.comDo you have any questions? Contact us
Our team will be happy to answer all your questions.
The blog worth reading
Exciting insights into the real estate industry
Roman Babakin – stock.adobe.com – Roman BabakinCO2 cost sharing: How the division between landlord and tenant works
General
August 5, 2026
CO2 costs must be shared between landlords and tenants in the heating bill. Find out how this works here.
Jürgen Fälchle – stock.adobe.comHeating cost billing with heat pump: How to bill legally in multi-family buildings
General
July 28, 2026
Since October 2025, it has been legally required to issue heating cost statements for heat pumps. Minol shows how it's done.
Westend61 – stock.adobe.comPrivate landlords: Indispensable, but underappreciated
Private landlords
July 23, 2026
Learn in the blog post why Germany should value its private landlords more.
malp – stock.adobe.comGModG: The most important changes explained
laws
July 16, 2026
How will the GEG 2026 change? Find out about the most important changes to the GModG in our blog.
istock.comService partners wanted.
We are looking for self-employed service partners for the areas of meter reading and installation.
Your task includes the installation, replacement and functional testing of devices for recording consumption (e.g. water and heat meters) and smoke detectors, as well as carrying out repair and meter reading orders in our customers' properties.