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Commercial HVAC across coastal Chatham County
Shops, restaurants, clinics, offices, warehousing and light industrial. Surveyed before anything is scheduled, then maintained against the survey.
The survey
Most premises we are called to cannot say what is on the roof. One visit fixes that permanently.
One page per unit
| Recorded | What it is and why it earns its place |
|---|---|
| Identity | Where it is, what it serves, and a tag on it, so the next conversation is about a numbered unit rather than “the one at the back”. |
| Plate data | Make, model, serial, capacity, electrical requirement, refrigerant and factory charge. Copied off, not estimated. |
| Real age | Decoded from the serial number, which is routinely a decade from what anybody believes. |
| Exposure | How far the unit is from open water, which way it faces, and what condition the coil is actually in. On this coast that belongs on the asset list and almost nobody puts it there. |
| Condensate | Pan, trap, drain and secondary pan. In this humidity it is the most common cause of a summer shutdown and of a stained ceiling. |
| Consequence | What stops trading when it stops. A stockroom and a treatment room do not get the same priority. |
Planned maintenance
Two visits a year on most premises — and on the coast the second one earns its place on coil condition alone.
Before cooling
- Coils cleaned and rinsed inside and out, with clean water and never a pressure washer.
- Charge measured against the conditions on the day and the plate figure, never topped up on sight.
- Coil condition recorded — fin thinning, whitening, soft patches at the tube joint — so there is something to compare against next year.
- Belts, bearings, economiser, and the condensate pan, trap and drain.
- Electrical section checked for sealing. Salt in a contactor is how a healthy machine stops on the hottest day of the year.
Before heating
- Combustion tested with an analyser and the readings recorded per unit.
- Flue and combustion air checked, including anything a tenant has added since.
- Heat exchanger inspected; a failed one means shut off and tagged, not patched.
- Heat pump auxiliary heat checked — a fault here is invisible and expensive for a whole season.
- Controls read against how the premises actually trades.
What lands on your desk
A sheet per unit with the readings on it, a note of what will need doing and roughly when, and a short list of anything that should be done now with a price against it. Not a tick-sheet, and not a sales letter.
Extract, ventilation and fitting out
Kitchens and workshops
Canopies, ducts and fans — and replacing the air you are throwing away. A kitchen extracting hard with no make-up air path pulls the building into depression, and then it pulls at every flue in it.
On this coast it does something else as well: it drags humid outside air in through every gap in the envelope, all day, which is a moisture problem as well as a safety one.
Suites and clinics
Where the complaint is stuffiness rather than temperature we measure outside air actually delivered, the filtration in place, and whether the system short-cycles so hard it never ventilates.
We make no health claims for air cleaning equipment. We will say what a room is getting and what it costs to change it, and leave the clinical judgement to you.
Fit-out and commissioning
Ductwork, diffusers, extract and controls for the layout you are actually building, coordinated with whoever is doing the ceiling rather than after them. Airflows balanced and recorded, controls set to your trading hours, figures handed over with the asset list.
A space nobody commissioned never performs, and nobody finds out for two years.