How to Audit Your Commercial Property’s Winter Readiness

Most of the time, commercial property audits aren’t conducted until something goes wrong. A boiler packs it in mid-July. Over a long weekend, pipes burst. And the heating bill arrives, at which point nobody can account for the enormous spike. Winter readiness needs to be considered as a financial investment and not just another housekeeping duty that comes with facilities. When HVAC systems are responsible for about 40% of total energy use in commercial buildings (Australian Department of Climate Change, Energy, the Environment, and Water), ensuring that your heating plant and building envelope are prepared for the season ahead of time is among the most valuable maintenance tasks that a facilities manager can oversee.

There are no boxes to check here. It’s about safeguarding your ability to operate and contain your costs before the winter compels you to take action.

Start With The Heating Plant, Not The Checklist

The most expensive winter failures are the ones that happen at peak load – when the system, having sat dormant for months, is suddenly asked to carry a full building through a cold day.

Run your boilers and heat pumps under full load in autumn, long before you need them to adjust to cold snaps. You’re hoping to see pressure drops in hydronic circuits, burner misfires, delayed ignition, or the kind of compressor behavior you know will not produce the expected increase in temperature. These symptoms are easy to spot during a controlled dry run, and expensive to detect during an emergency call-out.

For properties using heat pump systems, refer to the Coefficient of Performance data from the last service. COP degrades as the ambient temperature decreases, and a unit that works with poor efficiency in mild conditions will fail notably badly when it is cold. Managers of properties in colder climates should bring in certified service technicians like those from Boiler Heat Pump Services Canberra to perform safety valve testing and combustion analysis before the freeze arrives. This is not a job for a general trades call.

Audit The Thermal Envelope Before You Heat It

Your heating system could be operating at peak performance but it could still be wasting energy because your building is leaking heat. Envelope audits that used to require a full engineering firm and a lot of guesswork have become more straightforward. A commercial building owner can now get reasonably precise images of heat loss using a thermal imaging camera mounted to a drone.

Look at the loading dock doors: is the rubber stripping all chewed up on the bottom? On older windows, the gaskets begin to shrink – do you see that? On the roof, find a bad seam – do you see moisture intrusion? This is gradual thermal loss. Your heating runs for 15-20% longer than it should for the entire winter. Draft proofing around structural joints and service penetrations is perhaps the cheapest fix.

Pipe Lagging Is Non-Negotiable

Check all pipe insulation in unheated areas where heating pipes run. This includes plant rooms, roof spaces, underground car parks, supply lines to cooling towers, and fire sprinkler system feed pipes running through unheated areas. Don’t assume it’s OK because it’s new – sometimes insulation can be badly installed, thin, or damaged from being saturated by water ingress or other maintenance trade work. Warming up an office with a burst pipe in the ceiling void will cost more in business disruption than a week of heating breaking down! If less than 25mm of simple grey foam insulation is installed on pipework in exposed exterior areas, or if insulated pipes show any of the insulation to have been compressed or become wet, put your local building maintenance firm on notice to replace it.

Recalibrate The BMS For Actual Winter Conditions

A Building Management System programmed for summer or shoulder-season parameters will waste energy all winter and nobody will notice until the bill arrives.

Reprogram heating setpoints to match real occupancy hours. Most BMS systems default to broad operating windows set during commissioning. If your building operates from 7am to 6pm, your heating system shouldn’t be maintaining temperature from 5am to 9pm. That gap represents real money across a full season.

Adjust outdoor air intake dampers to the minimum fresh air requirement for your occupancy levels – but don’t close them entirely. Indoor Air Quality degrades in winter when buildings run with restricted ventilation and occupants bring in more moisture and contaminants. The goal is balance, not lockdown.

Exterior Safety Is Part Of The Audit

The risk profile of commercial properties changes significantly during shorter days. Carparks, loading areas, and emergency exit paths that are perfectly visible in summer become hazard zones when staff arrive or leave in low light.

Walk the exterior of the property and audit every pathway, step, and parking surface for adequate lighting coverage. Check that emergency exit signs and pathway lighting are functioning and aimed correctly. Look at drainage around entry points – frost, ice, and wet leaf accumulation on poorly draining surfaces create slip-and-fall liability that is entirely preventable. This part of the audit takes a couple of hours and requires nothing more than a torch and a notepad.

Winter preparedness done properly is a pre-season investment that pays back across the entire heating period. The facility managers who get it right aren’t the ones with the best equipment – they’re the ones who audit early and fix problems when the cost is low.