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Energy Performance Contracting for Residential Retrofitting in Ulaanbaatar City – RePaRe Project
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About Project

Ulaanbaatar, the world’s coldest capital, is home to nearly half of Mongolia’s population. Around 20% of residents live in prefabricated panel buildings, which account for 30% of the city’s housing stock. These buildings are poorly insulated, resulting in significant heat loss, cold indoor environments, and frequent mold formation during harsh winters.

The RePaRe project promotes thermo-technical retrofitting of prefabricated residential buildings to enhance energy efficiency, improve living comfort, and reduce greenhouse gas emissions in line with Mongolia’s national climate commitments.

Duration: 2022–2027

Commissioned by: Mitigation Action Facility (on behalf of BMWK and DESNZ), Ministry of Urban Development, Construction and Housing (MUDCH) and Municipality of Ulaanbaatar (MUB)  

Insulated block

Insulating block

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Total insulation block

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Total citizens covered
Subscribers and partners
Government
Mub
Mitigation Action Facility
Implementer
RePaRe
Project goals
01

Implement large-scale thermo-technical retrofitting (TTR) of prefabricated buildings

02

Establish the Building Energy Efficiency Facility (BEEF) for sustainable financing

03

Support government policy reforms on energy efficiency

04

Conduct awareness campaigns to engage residents and stakeholders

05

Contribute to Mongolia’s NDC target of reducing GHG emissions by 22.7% by 2030

Prefabricated housing renovation project

Prefabricated housing conditions

Prefabricated housing renovation project

News
  • Building Energy Efficiency Training
    Building Energy Efficiency Training

    The three-day training for engineers of the Housing and Public Utilities of Ulaanbaatar City (OSNAAUG) was successfully held on October 6–8, 2025! 

    Jan 04, 2026
  • Building Energy Efficiency Training
    Building Energy Efficiency Training

    The three-day training for engineers of the Housing and Public Utilities of Ulaanbaatar City (OSNAAUG) was successfully held on October 6–8, 2025! 

    Jan 02, 2026
  • Building Energy Efficiency Training
    Building Energy Efficiency Training

    The three-day training for engineers of the Housing and Public Utilities of Ulaanbaatar City (OSNAAUG) was successfully held on October 6–8, 2025! 

    Dec 26, 2025
All news
Customer Experiences
MR. Erdenebat resident of the pilot building
We were a bit skeptical at first, but now I can really feel the difference. The temperature inside is more stable, and our home stays warm always. I hope more buildings can be retrofitted like this - it not only improves our living conditions, but also helps Mongolia reach its climate goals. Especially now, when energy is in short supply, it feels good to know, we're using less.
MRS. Ulziisaikhan resident of the pilot building
After the mineral wool insulation was installed last November, our apartment felt much farmer and cozier. Last winter was very comfortable for all the residents. I'm really happy that, along with the improved comfort, we're also contributing to reducing, Mongolia's emissions. We're proud to be part of this change.
Mr. Bold resident of the pilot building
After the mineral wool insulation was installed last November, our apartment felt much farmer and cozier. Last winter was very comfortable for all the residents. I'm really happy that, along with the improved comfort, we're also contributing to reducing, Mongolia's emissions. We're proud to be part of this change.
MRS. Gantsetseg resident of the pilot building
After the mineral wool insulation was installed last November, our apartment felt much farmer and cozier. Last winter was very comfortable for all the residents. I'm really happy that, along with the improved comfort, we're also contributing to reducing, Mongolia's emissions. We're proud to be part of this change.
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