ᐅ Heating system for a new building with 4 residential units

I am looking for options to heat a duplex building with two apartments each, so a total of four living units, which will be rented out. The total living area of the apartments is approximately 360-380m² (3900-4100 sq ft).

The local utility company is offering me a heating contracting solution, including materials, installation of a central 24kW gas condensing boiler, maintenance, emergency service, repairs, billing with tenants, a hot water storage tank, 4 heat meters, etc.
Additionally, a photovoltaic system will be installed on the roof, financed by the utility company (tenant electricity model).

In other words, a complete package for the new house!

I am supposed to pay a monthly heating service fee for the heating system for at least 10 years, or 15 years with a lower monthly fee.
The photovoltaic system is free for me; I provide the roof space and receive a minimal rent of €1/m² (approximately $1/m²) per year. The advantages include savings on electricity costs for the tenants and fulfilling the renewable energy requirements according to the Energy Saving Ordinance 2016 for new buildings.

Regardless of the economic feasibility of commissioning such a model, I would like to hear from you experts or homeowners with experience whether this model is truly attractive for landlords, or if there are more risks and headaches involved?