Affordable thermally comfortable housing is the need of the hour, given growing urbanisation in India and the effect this shift is having on the environment. Smart GHAR III is an affordable homes project in Rajkot, Gujarat under the Pradhan Mantri Awas Yojana (PMAY) Untenable Slum Redevelopment and executed by the Rajkot Municipal Corporation (RMC). The project employees simple, yet highly effective mechanisms and strategies as part of its energy efficient building design. This ensures thermal comfort for residents without the need for external heating and/or cooling devices to keep energy bills to the minimum.