Test rooftop heat before cold weather places your shop’s opening hours at risk. Fall commercial rooftop unit maintenance should cover burners, fans, filters, and fresh-air controls, not just a brief start test.
Test Heat Before the Store Opens
A unit that fires up on a mild day may still struggle when frost sets in. Book commercial rooftop unit maintenance while your Mitchell store can arrange access and repairs without a rush.
Ask the tech to test a full heating cycle, from the first call for heat to the last fan run. For gas units, that includes the burner, flame sensor, vent path, and safety shutoffs, plus checks for leaks and signs of damage.
Match the visit to the unit type. A heat pump needs different checks than a gas-fired rooftop unit, so share the model and prior repair notes when you book business HVAC service.
Fix Fresh-Air Flaps That Stick
Many rooftop units use dampers, or moving flaps, to blend outdoor air with indoor air. A flap that jams open can pull in too much cold air and drive up the heating load. Ask the tech to check:
- Damper travel, seals, and linkage
- Outdoor and supply-air sensors
- Controls for warm-up and closed hours
- The fresh-air setting for store use
Never block the intake to stop a cold draft. Shops still need fresh air when people are inside, and the right setting depends on the system design and how the space is used.
Restore Air Flow Across the Shop
A dirty filter or worn fan belt can reduce airflow long before the store loses heat. Cold aisles and hot back rooms may point to a flow fault, though door drafts and layout can play a part too.
Ask for the correct filter size and grade for the unit. A denser filter is not always better if it cuts the fan’s air supply. Staff can help from inside the shop:
- Keep stock clear of return-air grilles
- Leave ceiling supply vents open
- Flag new fan noise or weak airflow
- Record which areas feel cold and when
Give the tech those notes rather than turning up the heat for the whole shop. That helps pinpoint the cause.
Plan for Snow and Safe Roof Access
Mitchell winter weather can leave rooftop intakes and vent outlets at risk of snow buildup. Schedule checks after storms with trained staff or a service crew that can access the roof safely. Before snow arrives, confirm:
- Who can access the roof safely
- Where the unit’s intake and exhaust sit
- How to keep access routes clear
- Who to call if ice blocks a vent
Don’t send store staff onto an icy roof for a quick look. Snow can hide roof edges, openings, and weak footing; rooftop work calls for the right safety gear and training.
Match Heat Settings to Trading Hours
A heat schedule that no longer fits store hours can waste fuel or leave the shop cold at opening. Review start times, closing times, and holiday hours before busy winter trade.
Use a planned warm-up period so the store reaches its target heat before staff arrives. Ask the tech to set night levels that suit the unit, stock, and any water pipes in the building.
Don’t let staff fix cold aisles with repeated manual changes. Record the issue and review it with the service crew.
Keep One Clear Service Record
Tag each rooftop unit so reports link to the right shop area. Log faults, service dates, and repair needs in one place, then use that record to arrange heating and cooling care.
Choose one staff contact for heat issues and after-hours access. That person can share alarm notes and the unit number when a fault arises.
Keep your Mitchell shop ready for winter with Titanium Mechanical’s 24/7 service. Call (204) 392-2924 to book rooftop care or ask for a free quote online.