2025 Global Recognition Award recipient Veljko Milković has developed a groundbreaking self-heating ecological house that maintains optimal indoor temperatures year-round without requiring conventional heating or cooling systems. The innovative dwelling, located in Novi Sad, utilizes passive solar design principles, earth integration, and thermal mass to create a completely energy-independent living space.
-- Serbian inventor and latestPhoto Courtesy of Veljko Milkovic
The self-heating ecological house represents a significant advancement in sustainable architecture, addressing growing concerns about energy consumption and environmental impact in residential construction. Milković's design incorporates south-facing orientation for maximum solar gain, partial earth sheltering for natural insulation, and glazed greenhouse-style sunrooms that trap heat during winter months while maintaining comfortable temperatures in summer through natural ventilation systems.
The housing concept addresses critical challenges facing the construction industry as energy costs continue to rise globally. Recent data reveals that residential buildings account for approximately 40% of total energy consumption in developed countries, with heating and cooling systems representing the largest portion of household energy use. Milković's design eliminates this consumption entirely through its innovative passive approach.
"The self-heating ecological house demonstrates that comfortable living can be achieved without dependence on fossil fuels or expensive HVAC systems," Milković notes, "through careful integration of natural materials and solar orientation, the structure maintains temperatures between 18-22 degrees Celsius throughout the year with zero energy input for climate control."
The construction utilizes locally sourced, environmentally friendly materials, including clay, straw, and wood for insulation, significantly reducing both construction costs and carbon footprint. The thick insulating walls store thermal energy during daylight hours and release it gradually, creating stable indoor conditions. Earth berming around portions of the structure provides additional insulation while the thermal mass of walls and floors regulates temperature fluctuations.
Technical specifications include strategic placement of glazing panels on the south wall to create a solar atrium effect, natural ventilation systems that ensure healthy air circulation without heat loss, and careful material selection that maximizes thermal performance. The design requires no mechanical heating or cooling equipment, resulting in utility costs that are virtually eliminated for temperature control.
Construction costs for the ecological house remain significantly lower than conventional buildings, with estimates indicating total project costs for a complete dwelling to be around 10-20% cheaper than for the traditional houses. This cost-effectiveness stems from the use of local materials, simplified construction techniques, and the elimination of expensive mechanical systems typically required for climate control.
The project has attracted attention from environmental organizations and green architecture institutions across Europe. Milković's approach aligns with European Green Deal initiatives promoting sustainable construction practices and reduced energy consumption in residential buildings. The design offers particular relevance as governments worldwide implement stricter energy efficiency standards for new construction.
Veljko Milković, who holds 31 granted patents and has received multiple Energy Globe Awards, brings decades of experience in sustainable technology development to this housing innovation. His previous recognition includes the Tesla Spirit Award 2024 for realizing Nikola Tesla's vision of gravity-powered machines and national Energy Globe Awards in 2010 and 2011 for ecological innovations.
The self-heating house concept can be adapted to various climates and geographical locations, with modifications to orientation, insulation thickness, and glazing area based on local conditions. Construction typically requires 6-8 months, followed by a full year of monitoring to document seasonal performance and energy efficiency.
"This housing model proves that traditional building wisdom combined with modern understanding of thermal dynamics can create living spaces that work in harmony with natural systems rather than fighting against them," Milković concluded. "The technology exists today to build homes that require no external energy for comfort, representing a practical solution for sustainable development."
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