bnenin – AdobestockYour transparent operating cost statement
Prepare operating cost statements and utility cost statements in a legally compliant, economical, and transparent manner for all parties.
The B.One operating cost statement
With B.One's operating cost accounting, you receive a tailor-made solution: From data collection to the final billing, we ensure that your billing is not only formally correct, but also transparent and understandable.
perfectlab – stock.adobe.com /Your advantages with Brunata Minol
- Legally compliant and correct: All invoices comply with current legal requirements.
- Save time: We handle data entry, verification, and the creation of the complete invoice.
- Transparent and comprehensible: Every position is clearly broken down and explained in an understandable way.
- Error-free and verified: Automated plausibility checks ensure correct results.
- Digital and convenient: Easy access via the online portal Minol direct
- Always up-to-date: Taking changes into account, e.g. CO₂ costs or new heating cost regulations.
- Complete service: Everything from heating bills to utility bills – all from a single source.
Our services for operating cost accounting
- Preparation of the complete heating and operating cost statement, including heat and water supply as well as other ancillary costs such as property tax or building insurance.
- Usage state-of-the-art measuring technology and devices for recording consumption.
- Digital data readout using the radio system Minol Connect.
- Data is checked for plausibility and completeness by qualified personnel.
- Provision of an online customer portal (Minol direct), where you can view and edit meter readings, billing, documents, etc. around the clock.
- Offering a paperless service: Digital provision of billing documents instead of postal delivery.
- Integrated billing of all cold operating costs of your property (ancillary costs), e.g. insurance, taxes, etc.
- Additional services such as advance payment calculation, CO₂ cost allocation, identification of household-related services (for tax purposes), VAT identification for commercial tenants.
- Extended information on the annual heating bill in accordance with the Heating Costs Ordinance (e.g. about building energy, emissions) to raise awareness among consumers.
Alex from the Rock – stock.adobe.comOptions for data exchange and integrated billing
Brunata Minol works with market participants to develop solutions that simplify cooperation, make it more secure, and ensure high-quality billing for consumers.
- Wodis Sigma
- Wowinex
- VS3 of the house bank
- Powerhouse
- Blue Eagle
Exciting insights into heating and operating cost statements
bnenin – AdobestockHeating cost statistics 2025: Costs continue to rise – heat pump by far the cheapest heat generator
The 2025 heating cost statistics examine the heating behavior of German households and show how prices have developed.
bnenin – stock.adobe.comDigital billing of heating costs: How landlords can successfully make the switch in 2026
Here's how to get your 2026 heating bill right! Simple, on time, and legally compliant. Learn more in the blog post.
phy – stock.adobe.comHeating Costs Ordinance 2026: Deadline for conversion ends
The deadline for upgrading wireless metering technology ends in 2026, according to the Heating Costs Ordinance! We explain what this means in the blog article.
contrastwerkstatt – stock.adobe.comHeating bill from a professional
Brunata Minol supports you with digital measurement technology and radio transmission and in providing interim consumption information via app – secure, digital and compliant with the German Heating Cost Ordinance (HKVO).