
The conversation around construction has changed.
Today, developers aren’t just building spaces they’re building reputations.
From residential towers to hospitality projects, the question is no longer “How fast can we build?” but “How sustainable can we build?”
In this new era of green infrastructure, every system lighting, air conditioning, plumbing, water heating plays a measurable role in sustainability scoring.
Among them, heat pump systems have quietly become one of the most efficient and recognized ways to earn Green Building Points under certifications like IGBC, GRIHA, and LEED.
Green Building Certifications: The New Benchmark
For modern developers, certification isn’t just a label.
It’s a performance promise.
Whether it’s IGBC (Indian Green Building Council), GRIHA (Green Rating for Integrated Habitat Assessment), or LEED (Leadership in Energy and Environmental Design), all rating systems reward measurable improvements in energy efficiency, operational savings, and environmental impact.
Every credit counts and water heating, often ignored in early planning, can significantly influence the overall rating when designed intelligently.
Why Water Heating Matters in Energy Scoring
Traditional water heating systems electric geysers, diesel boilers, or gas-fired heaters consume massive amounts of energy every month.
In most commercial and residential buildings, hot water accounts for 20 to 30 percent of total energy consumption.
Replacing these systems with air-source heat pumps instantly improves the Energy Performance Index (EPI) and the Overall Energy Savings Percentage, two key parameters in IGBC and GRIHA scoring.
In LEED (under ASHRAE 90.1 energy modeling), the contribution of high-efficiency water heating systems is considered within EA Credit: Optimize Energy Performance, which directly impacts the project’s total points.
In simple terms — better hot water efficiency translates to better ratings.
How Heat Pumps Help Earn Green Points
Knaps Heat Pumps contribute to multiple credit categories across major certification frameworks:
- Energy Efficiency: Heat pumps use up to 70–80 percent less electricity than resistance or fuel-based heaters, directly improving the project’s energy performance index.
- Renewable Integration: When coupled with solar PV or waste heat recovery, heat pumps qualify under renewable or hybrid system credits.
- Water and Energy Metering: Smart Knaps systems can integrate with building management systems (BMS), enabling data monitoring — another IGBC credit area.
- Indoor Environmental Quality: No combustion means no flue gases, leading to safer and cleaner mechanical rooms — often recognized under health and safety parameters.
By strategically selecting heat pump systems, builders can typically earn 4 to 8 additional green credits, depending on project size and configuration.
The Economic Case: Green Points That Pay Back
For builders and developers, every green point adds more than just prestige.
It adds saleable value.
Certified green projects command higher buyer confidence, faster occupancy, and lower long-term maintenance costs.
For commercial buildings, reduced operational energy translates to direct savings for tenants enhancing the building’s financial performance and long-term ROI.
A single central heat pump plant can reduce water heating energy costs by up to 70 percent, improving the project’s operational budget and sustainability index simultaneously.
Designing for Certification Success
The best time to integrate a heat pump system isn’t after the building is finished it’s during the design stage.
Early collaboration between architects, MEP consultants, and system designers allows proper load calculation, equipment placement, and integration with solar or reclaimed heat systems.
Knaps works closely with design teams to model system performance, simulate expected energy use, and generate documentation that supports IGBC, GRIHA, and LEED submissions.
That means builders don’t just buy a product they gain a compliance partner who understands both engineering and certification logic.
Building the Future, Credibly
Sustainability is not an afterthought anymore it’s a business differentiator.
In a competitive market where every project claims to be “eco-friendly,” certifications prove who actually delivers.
Heat pumps are no longer niche technology; they’re the backbone of energy-efficient water systems across the world.
And as India embraces the green building revolution, they’re set to become standard not optional.
Knaps is proud to contribute to that shift helping Indian builders create spaces that are not just constructed well, but engineered wisely.
Because the future belongs to those who build efficiently and earn every point along the way.
Knaps TechFab India LLP
Smart Heat. Built Right.