About Us

Get To Know Us

Leading Solution Provider
in Heating and Ventilation Industry

Altes Makine, founded in 1996 by Kemal Demir and Mehmet Zeki Aldemir as our first family company and started its operations, has carried out numerous projects in the mechanical installation sector. Altes Makina continues its operations in the field of mechanical installation and construction contracting today.

Demtes Engineering Heating Systems was founded by Mehmet Nuri Demir and Mahmut Demir in 2006, and the company carried out many projects in the field of mechanical and industrial installations on a turnkey basis.

Paşhan İnşaat, founded by Mehmet Nuri Demir and Mahmut Demir in 2012, was included among our group companies. As a contracting company, Paşhan İnşaat has carried out prestigious projects on the lands owned by our group companies and were bought on the flat for land basis.

Since its foundation, Demtes Engineering has had a vision that keeps pace with the developing world and constantly updates and renews itself. It has carried out numerous projects from past to present. It has increased its expertise in the field of mechanical installation. It has positioned itself according to the requirements the construction sector that has been accelerating in recent years in our country.

25 Years

of Experience

Take a look at our services!

Click to view our services in the fields of heating, cooling, ventilation, fire and natural gas systems…

Mission and Vision

Our Mission is to be a solution provider that creates value in our sector and to become the first choice of our customers and to carry our position to the leadership with our products, solutions, after-sales services, our reliability and high business ethics.

Our vision is to be an innovative company with a corporate culture based on participation and teamwork, caring the needs of all our customers. With an interdisciplinary infrastructure, we will ensure the creation and dissemination of unique knowledge that leads to pioneering, and we will support the efficient use of energy by sharing our experience in application with practitioners, project developers, contractors and end users who need it.

Our Values

  • Customer focus
  • Transparent and High Quality Service
  • Ethical Work
  • Existence in long term
1
Employees
1 +
Satisfied Customers
1 +
Big Projects
1 +
Hours of Work