“Sourcing the Source” AND Thermal Validation is the prime focus for “FIRST SURVEY” to every Commercial Building Retrofit, IF your design is for “SELF-FUNDING” the project. This Source can be interior or exterior to the Building but always delivering a stable, constant (24/7), low grade source of warm calories. Then all Sourced thermal calories are enhanced (by passive or active contribution) for continuous “feeding” to the “Holistic H.P. System: Hot Water” array (either GSHP; ASHP or WSHP).

There is ALWAYS a Source, either architecturally contrived (e.g. interior building waste-fluid sump-tanks; or Trombe & Curtain wall or by Fforde-Chamber passive air & fluids; or stack effect to Canopy Atria etc.) or naturally occurring (e.g. exterior lake, canal, moat, seawater; or below ground etc.).

plement the (24/7) Source input to the multi-H.P. cascade array Primary Loop. Then, H.P. compressors multiply the The contrived “Calorie Harvesting” design must continuously capture & supenhanced constant Heat Source intake to replenish (hydronic: kWh @ set-point), to the over-sized Buffer Storage Tanks. This H.P. intake to Buffer Storage (kWh) Design must continuously exceed the Daily Load Profile distributed downstream (ex Buffer Tanks via Secondary closed-loops,) to the various on-site multi-tasking applications (space heating; moisture control; medical IAQ/IEQ plus). This ultra-Design energy scavenging & harvesting concept also applies to generating “Holistic H.P. System: Chilled Water” for Air-conditioning  Tropical sites. (cf separate TIP).

The “SELF-FUNDING” is generated by the H.P. Array as the “BEATING HEART” of a Hot Water “Holistic H.P. System”. The final “DESIGN” comprises a challenging innovation for a “future-proofing”, site-bespoke, MEP & Ventilation Design…always dependent upon having first thermally validated a “SOURCED – SOURCE”.

Therefore “Sourcing the Source” and Thermal Validation is the prime focus for every “FIRST” Survey for a Commercial Building Retrofit for a Holistic H.P. System……and the Golden Key to attract private capital for “multi-tasking” (higher value-added) Sustainable investment returns.

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We define a Commercial Building Retrofit “HOLISTIC HEAT PUMP SYSTEM” Design for:

Heritage Properties; Nursing & Elderly Homes as a continuous “SELF-FUNDING DEVICE” by its high SCOP (>8-10) of continuous energy savings & operating run-time (>20years):

For 24/7 exhaust ducting of interior stale air directly into an ASHP/ERV for continuous moisture removal; hydronic heat circulation; filtered (MERV13-18) & purified (UV-C) fresh air circulation to the optimised IAQ/IEQ design points for each parameter.

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Our early years of R&D, across the Japanese islands of 1970’s, evolved our engineering expertise for an absolutely secure anchoring technique (on both rooftops & now solar Façade-curtain walls) of Ren.Energy devices onto variable exterior building envelopes. This demanded resilience to the highest cyclonic wind loading and also for Historic & Heritage structures in an earthquake zone.

We progressed to overcome the Japanese “Rooftop Taboo” which lead to receiving the first ever 1985 JIS-Mark Award (by MITI) for a non-Japanesedevice. From this, we gained the recognition & “acceptance” for our Ren.Energy Engineering Design submittal to win the Athlete’s Village 1988 Seoul Olympicscontract.

Thereafter, we progressed from N. Asia to all the remote (High Energy Tariff) island locations of S. Pacific, Indian Ocean, Caribbean, & Mediterranean to Design (with Advisory on-site Supervision) ever larger Facility structures that required meeting the financial imperative for Rapid ROI <5years by the international investors. It was a very practical learning discipline for the “Green” 21st Century.

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For a long-term Client relationship of Trust, we always defer to the Client’s choice of H.P. equipment with their Vendor’s supply of Brand & Model as well as their chosen Contractor. Our counselling is limited to a “most preferred” site location for the H.P. installation with a one+ meter all surround Service Space. Also, we provide guidance on internal H.P. componentry as “modular” lift-in/lift-out for full on-site low-cost Servicing instead of any return to Factory necessity (even in the case of a Design for a multi-cascade of mini H.P.). This “Resilience by Design” also allows for long-term, low-cost on-site, product “Future-Proofing” upgrades with all main components (Evap Coil; Fan; Compressor; Condenser & Controls as an easy un-plug & modular re-connect in a wide bodied H.P. Cabinet enclosure).

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From the start, for a Retrofit site, prioritise an existing Building’s easiest passage-ways, door-widths & elevator dimensions (including elevator & floor static load limits)
This will define the LOWEST COST OPTIONS for Rigging & Access to all possible H.P. & Auxiliary equipment sizing from a 60th Level rooftop footprint or to a B3 Basement or
any in-between Plant room.

N.B. in the early 80’s the simplest Honolulu solution was a US250 dollar (15-20min.) Helicopter lift of equipment from carpark truck to a rooftop installation

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