Dalrada + ATI of New York · Hot water. Reimagined.
Give hot water a new role in your existing building.
Replacing or supplementing an existing hot-water plant starts with understanding the system that is already there. Domestic hot water can be studied separately from the building’s space heating.
Existing buildings · A new possibility
New York project planning
A retrofit brief for an occupied New York building
A retrofit in Manhattan, Brooklyn, Queens, the Bronx, Staten Island or Long Island starts with the actual site, rather than a standard rooftop layout. Record how equipment can reach the plant and how hot-water service will continue during the change.
- Existing gas plant, storage and recirculation records
- Access route, structural review and electrical constraints
- Installation stages and continuity of hot-water service
Establish what the building actually uses
Collect available consumption records, occupancy patterns, delivery and storage temperatures, existing equipment and recirculation details. Fuel bills may combine heating and hot water; separate those loads before comparing alternatives.
Check the constraints before choosing equipment
Review roof or plant-room access, structural loading, service routes, available electrical capacity, water quality and connection temperatures. A warm recirculation return is not automatically a suitable direct return to a CO₂ heat pump.
Plan continuity through the change
Define installation stages, isolation points, storage, backup and maintenance access. Compare options using explicit tariffs, operating conditions and capital assumptions rather than a generic savings percentage.
Questions before you begin
Does a DHW retrofit require replacing all space heating?
Not necessarily. Assess the hot-water plant and space-heating plant separately, then review their interfaces and the building-wide plan.
What should I prepare for ATI?
Building use, location, existing plant information, demand records if available, water temperatures, storage, recirculation, electrical service and installation constraints.
Technical reference
Source documents
Editorial review: 2 November 2026. Manufacturer publications are reference material; confirm the equipment edition and project suitability with the project team.