Effects of Cool Roofs on Health and Indoor Environments

The Effects of Cool Roofs on Health, Environmental, and Economic Outcomes: a Global Multi-center Cluster-randomized Controlled Trial

Not applicable Interventional University of Auckland, New Zealand · NCT06579950

This study is testing if special cool roofs that reflect sunlight can help people living in hot urban areas feel better and stay healthier by reducing heat exposure.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment3200 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Auckland, New Zealand Academic / other
Locations5 sites (Ouagadougou and 4 other locations)
Trial IDNCT06579950 on ClinicalTrials.gov

What this trial studies

This study investigates the impact of sunlight-reflecting cool roof coatings on indoor temperatures and health outcomes in urban climate hotspots across four regions: Ouagadougou, Burkina Faso; Ahmedabad, India; Niue; and Hermosillo, Mexico. By implementing a multi-centre cluster-randomized controlled trial, the research aims to assess how these cool roofs can reduce heat exposure and improve health conditions related to heat stress, such as cardiovascular and mental health issues. The study targets vulnerable populations living in poor housing conditions who are particularly affected by extreme heat. The ultimate goal is to identify effective passive housing adaptations that can enhance well-being and reduce health risks associated with climate change.

Who should consider this trial

Good fit: Ideal candidates for this study are permanent residents of households in urban areas experiencing high heat exposure and living in low-socioeconomic conditions.

Not a fit: Patients with roofs that are damaged or unstable, which would prevent the application of cool roof coatings, may not benefit from this study.

Why it matters

Potential benefit: If successful, this intervention could significantly improve health outcomes for individuals living in extreme heat conditions by reducing indoor temperatures and associated health risks.

How similar studies have performed: Other studies have shown promising results with similar passive cooling interventions, indicating potential for success in this novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Permanent household resident.

Exclusion Criteria:

* Roof damage, inaccessible or instability of roof adversely affecting cool roof coating application.
* Participant unable to provide written/verbal informed consent.

Where this trial is running

Ouagadougou and 4 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Resting Heart RateBlood Glucose ControlDepressionHeat-related SymptomsPhysician Diagnosed Heat-related IllnessesFood InsecurityDiet QualityHealth-related Quality of Life
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.