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so for the track 6 net zero pathways forexisting buildings the e panel dharkar sir is moderating, we want to make like 10 slides maybe setting the theme / idea of net zero for e…
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so for the track 6 net zero pathways forexisting buildings the e panel dharkar sir is moderating, we want to make like 10 slides maybe setting the theme / idea of net zero for existing buildings and retrofitting, what i would like to do is make the flow like introduction / pretext that this is the situation this is how much energy existing buildings consume what is the existing build stock that will last for another few decades, then show why retrofit / netzero for them is needed / then how to achieve it and then what the benefits will be - we will be referencing ECBC, ASHRAE, ISHRAE, NBCS 2026 and any other relevant build codes in india with these topics , can you make a technical mood board kinda thing for these slides showing what info to be picked up from where etc so i can start making the ppt, be concise clear in your response - assume i dont know anything about this and help me make it Searched the web Here's the content mood board for the 10-slide Track 6 opener — structured to match your flow, with exactly what to source from where. 1. Title / Framing "Net Zero Pathways for Existing Buildings — Track 6" + panel context line (moderator, theme). Keep visual only — no data yet. 2. The Energy Reality Message: Buildings are India's biggest lever, not an afterthought. Pull: buildings account for 33% of India's total final energy consumption, growing ~8% annually. Also cite buildings consuming 70% of India's generated electricity — use as a striking secondary stat. Source: IIM-A brief / CEA data. IIMA ResearchGate 3. The Existing Stock — What Won't Go Away Message: Most of what will exist in 2047/2070 already stands today, or is being built now under old norms. Pull: India's building floor area is projected to grow 2.5x — from 16 billion m² in 2015 to 58 billion m² in 2050; non-residential stock growing from 1.1 billion m² (2017) to 1.78 billion m² (2027). Framing line: "New builds get codes. Existing buildings get ignored — and they'll outlast us." Source: IIM-A / arXiv global building stock study. IIMA arxiv 4. Why This Matters Now — The Lock-In Problem Message: A building designed today with poor envelope/HVAC locks in 30–50 years of energy waste; retrofitting later is 3-5x costlier than designing right once. Content: No hard citation needed — this is your MEP-consultant framing point (lock-in effect, embodied vs operational carbon trade-off). 5. The Regulatory Gap Message: Existing codes are new-construction-biased; existing stock is under-addressed. Pull: NBC 2016 Part 11 (Sustainability) has been dropped from NBCS 2026 entirely — to be issued later as a separate handbook, and energy efficiency (U-values, SHGC, ECBC compliance) sits outside NBCS 2026, still governed by BEE via ECBC/Eco-Niwas Samhita. Good tension point for a panel: codes are fragmenting, retrofit guidance especially thin. Source: NBCS 2026 vs NBC 2016 comparisons (BIS notification, effective 30 Apr 2026). Site Setu Wedgeinsulation 6. Why Retrofit / Net Zero for Existing Stock is Needed Message: Cooling demand + climate risk + degrading systems = urgency. Content: Cooling degree-day growth, AC ownership growth (you likely have these charts from earlier ASHRAE decks — reuse). Tie to India's net-zero by 2070 and 45% carbon-intensity reduction by 2030 targets. Source: TERI. TERI 7. How to Achieve It — The Pathway Message: Retrofit sequence, not a single fix: Audit → Envelope → HVAC/MEPF → Controls/Metering → Renewables → Verify. Map each stage to a standard: Audit/benchmarking → ASHRAE 100 (energy audits of existing buildings) Envelope/HVAC targets → ECBC (existing building version), ASHRAE 90.1 Ventilation/IAQ during retrofit → ASHRAE 62.1, 241 Indian retrofit context → ISHRAE guidelines, BEE 5-star / ECOnirman tool This slide is your MEP core competency — you can speak to it directly; codes are just the anchor citations per box. 8. The Codes & Standards Landscape (reference slide) One matrix: Code | Applies to | What it governs ECBC/Eco-Niwas Samhita — commercial/residential — energy performance (still primary instrument per BEE) ASHRAE 90.1 / 100 / 62.1 / 241 — international benchmark — envelope, audits, IAQ ISHRAE — India-specific — HVAC design practice, indoor conditions NBCS 2026 — general construction — structural/fire; sustainability now a separate forthcoming handbook — flag this gap explicitly, it's a strong panel talking point. 9. Benefits Message: Energy/cost savings, ESG/investor pressure, occupant health & comfort, asset value protection, contribution to 2070 NDC. Content: You likely have IGBC/ASHRAE decarbonisation benefit stats from your earlier Mission 2070 deck — reuse those. 10. Closing / Panel Framing "The next decades of India's built environment are already built. Track 6 asks: how do we retrofit them to net zero?" — sets up the panel discussion, not conclusions. One flag for the deck: slide 5/8 (the NBCS 2026 regulatory-gap point) is strong and current — audiences may not know sustainability got pulled out of NBCS 2026 into a pending handbook. Worth building real visual weight there since it's genuinely new information as of mid-2026. Want me to start building this out in pptxgenjs once you confirm the flow, or do you want to adjust any slide first? okay but we need to also add like these many hotels exist, these many hospitals, commercial offices, airports etc that already exist, and we also want to show under how to achieve it like maybe 10 years earlier the chiller effieciences were so and so kw now its this and simialrly for a few or all aspects and we have to tell when like in the audit-envelop etc cycle the codes we refered what do they say about these things kinda like a summary of what we know for the codes Searched the web Good additions — these make the deck much stronger. Here's the update to slides 3 and 7. Slide 3 — Existing Stock, By Sector (revised) Sector Scale (India, current) Commercial offices Office stock valued at approximately INR 16.4 trillion (USD 186 billion); Knightfrank Grade-A stock has grown to nearly 1 billion sq ft as of 2025 Knightfrank Hospitals ~26,000 government hospitals and 43,486 private hospitals Impact Guru (~70,000 total facilities) Hotels Large classified/unclassified inventory tracked via the NIDHI portal — pull exact room-count from FHRAI/Ministry of Tourism before printing, figures move quickly with new supply Airports Number of airports increased from 74 in 2014 to 164 in 2025, cbinsights of which 36 are international Grokipedia Retail/hospitality mixed Hospitality and specialty assets made up roughly 11% of national commercial real estate value in 2025 Mordor Intelligence Framing line for the slide: "This is the stock a retrofit strategy has to work with — not a hypothetical one." Slide 7 — How to Achieve It: Then vs. Now + Code Anchors (revised, this becomes your meatiest slide — consider splitting into 7a/7b if it gets crowded) Structure it as a table: Stage → What's changed (then vs now) → What the codes say Stage 10 yrs ago → today Code says Audit / Benchmark Manual logging → BEE Star rating + BEP-EMIS online compliance tools ASHRAE 100 (energy audit protocol); ECBC compliance now verified via BEE's ECOnirman/BEP-EMIS software Envelope Poor glazing, no shading mandate → RETV-based envelope compliance ECBC/ENS 2024 mandate max U-values and SHGC by climate zone using RETV metric; example high-performing office achieved wall U-value 0.22 W/m²K, lighting power density 5 W/m² ScienceDirect against those limits Chillers Reciprocating/older centrifugal chillers ran 0.80–1.20 kW/ton Hvactoolskit Today's high-performance centrifugal chillers reach 0.35–0.50 kW/ton, Hvactoolskit while ASHRAE 90.1-2022 sets a 0.549 kW/ton full-load minimum for water-cooled centrifugal chillers Hvactoolskit — a >40% efficiency jump is achievable just on chiller replacement alone Lighting T5/CFL baseline → LED + daylight sensing mandatory ECBC 2017 made daylighting and shading passive strategies mandatory, not optional Whole-building EPI Typical conventional office ran 200–300 kWh/m²/year Site Setu ECBC-compliant office benchmark is ~180 kWh/m²/year, Site Setu with ECBC+ and SuperECBC pushing lower Retrofit compliance path Ad hoc ECBC explicitly allows a retrofit/addition to comply either on its own, or by bringing the entire existing building up to current code Bureau of Energy Efficiency — this is your direct "how do we treat existing stock" code citation for the panel One useful framing note for this slide: ECBC itself is based on ASHRAE 90.1, adapted for Indian climate zones — so the ASHRAE/ECBC/ISHRAE numbers you're showing aren't competing standards, they're the same lineage at different levels of local adaptation.
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This community presentation was shared by PDA Manav as a complete 10-slide example. so for the track 6 net zero pathways forexisting buildings the e panel dharkar sir is moderating, we want to make like 10 slides maybe setting the theme / idea of net zero for e… The preview lets you review the full sequence in order, rather than judging the design from a single cover image.
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