Cooling options: Markets and street vending
What to build or change, what keeps it working, the traps to avoid and rough costs.
Protects. Vendors’ income and stock, customers, and the porters who load and unload in the heat.
Key caution. Design it with the vendors and protect their place, or the upgrade becomes an eviction.
Options, and what keeps each working
| Option | What it does | Keeps working with | Avoid | Rough cost |
|---|---|---|---|---|
| Shade over stalls and aisles | Nets, fabric or a light frame with climbing plants over the places vendors sit. | Storm-proof fixing and someone to replace worn cloth. | Shade that blocks fire access or loading. | About US$3.2–US$9.5 per m² for shade nets (₹300–₹900 at Indian prices) |
| Water and rehydration points | Safe drinking water for vendors and customers. | A refill and cleaning roster agreed with the market association. | Points nobody is responsible for. | About US$110–US$530 per site (₹10,000–₹50,000 at Indian prices) |
| Planted drains and rain gardens | Planted channels and hollows that soak up runoff so the market does not flood after a storm. | Rubbish collection, or they clog. | Building them where waste is dumped. | About US$5.3–US$32 per m² (₹500–₹3,000 at Indian prices) |
| A whole-market package | Shade, water, cool roofs, drainage, trees and waste collection together, run with the vendors. | A vendor committee with a say over the design and the upkeep. | Beautification that pushes informal vendors out. | About US$11,000–US$53,000 per market cluster (₹10 lakh–₹50 lakh at Indian prices) |
What the evidence says
- India’s Street Vendors Act (2014) gives vendors 40% of the seats on each town vending committee and says no vendor may be evicted or relocated until a survey of existing vendors is complete: a hook for designing market cooling with vendors, not around them.
How you will know it works. Vendors with shade and water at their stall, and vendors still trading there a year later
Five traps that waste cooling money: Buying before diagnosing · Built, with no one to keep it · Green without water · Promising degrees you haven’t measured · A list of activities, not a model.
Before you choose, ask: Does it need electricity, and is the supply reliable in the hottest weeks? · What happens in a power cut: does it stop, or keep cooling without power? · Does it need water, and where will that water come from in a dry spell? · Who services or repairs it, and how fast? · Who owns the running cost each year, and from which budget? · Who can use it: renters, women, older people, people with disabilities? Keep the outcomes apart: a cooler room, comfort, less heat strain, better health and kept income are different outcomes; measure the one you mean.
Costs are rough planning ranges for early budgeting, not quotes. They are Indian prices, from a practitioner’s planning workbook, shown in US dollars at about ₹95 to US$1 (mid-2026) with the rupee range alongside. India has some of the lowest building prices in Asia, so expect most Southeast Asian cities to pay more: see the regional prices below. Where a public figure exists, it is linked. Where no range is solid enough to share, the card says so: get local quotes.
Sources
- Street Vendors (Protection of Livelihood and Regulation of Street Vending) Act, 2014, on FAOLEX. faolex.fao.org/docs/pdf/ind194977.pdf
- U.S. dollar–Indian rupee rates, 2026 (Pound Sterling Live). poundsterlinglive.com/history/USD-INR-2026