Ductwork & Airflow in Burlington County, NJ

Why are some rooms hotter or colder than others?

Uneven temperatures usually come down to airflow: how much conditioned air reaches each room and how well air returns to the system. Ductwork, the equipment, the thermostat and the house itself can all play a part.

A room over a garage, a finished attic, a room with large windows or a space at the far end of a duct run can be harder to keep comfortable than the rest of the house. Sometimes the cause is in the ductwork. Sometimes it is a filter, a blower, a blocked return, equipment that is the wrong size for the home or a thermostat in a spot that does not represent the rest of the house. The point of a diagnosis is to find out which.

Gibson Home Services is a locally owned residential HVAC company in Delran, serving Burlington County since 2009. Owner Ken Gibson is an NJ Master HVACR contractor, License 19HC00370300, and the company is EPA certified, bonded and insured. Ductwork and airflow work is part of our HVAC services.

What are the signs of an airflow problem?

Common signs include rooms that never reach the thermostat setting, weak air from certain vents, a system that runs a long time without the house feeling right, and noticeable differences between floors.

• Hot and cold rooms. One or two rooms are consistently warmer or cooler than the rest of the house.
• Weak airflow. Some supply vents push much less air than others.
• Uneven floors. An upstairs that stays warm in summer, or a lower level that stays cool.
• Long run times. The system runs and runs, but some rooms still lag behind.
• Noise at vents or returns. Whistling or rushing air can point to a restriction.
• Short cycling. A system that turns on and off frequently may be oversized or have an airflow issue.

None of these signs points to one cause on its own. That is why we look before recommending anything.

What can I check before calling?

Check the air filter, make sure supply vents and return grilles are open and not blocked by furniture, rugs or curtains, and confirm the thermostat settings. Those simple items are worth ruling out first.

A clogged filter restricts airflow through the whole system. A return grille hidden behind a couch or a closed supply vent in a back bedroom can change how air moves through the house. If you have checked those and the problem continues, a diagnostic visit is the next step. Please do not open furnace or air handler panels or try to work on the equipment yourself.

How does Gibson diagnose comfort imbalance?

We start by asking which rooms are uncomfortable, when, and how the house is used. Then we look at the equipment, the filter, the supply vents and returns, accessible ductwork and the thermostat before suggesting anything.

The goal is to find the real reason a room is uncomfortable rather than lead with a product. On a visit, we typically:

• Talk with you about the pattern: which rooms, which season, what time of day.
• Look at the system's filter, blower and overall operation.
• Look at the supply vents and return grilles in the affected rooms and the rest of the house.
• Look at accessible ductwork for problems such as damaged, disconnected or restricted sections.
• Consider whether the equipment size and the thermostat's location and settings fit how the home is used.

Then we explain what we found, in plain language, and what we would recommend and why. Sometimes the answer is that no purchase is needed at all.

What kinds of fixes might help?

The fix depends on the cause. It may be as simple as a filter or vent change, or it may involve a repair to accessible ductwork, an equipment repair, a thermostat change or a ductless unit for one hard-to-reach room.

Depending on what the diagnosis shows, options can include:

• Clearing restrictions. Addressing a clogged filter, a blocked return or vents that are closed or obstructed.
• Ductwork repairs. Correcting a problem we find in accessible ductwork, where that is practical.
• Equipment repairs. Fixing a blower or other component that is limiting airflow. Repairs are priced flat-rate before any work begins.
• Thermostats and controls. Moving, replacing or adjusting a thermostat so it better reflects the home. See our thermostats page.
• A ductless option. For an addition or room the main system does not reach well, a ductless mini-split may be worth considering.
• Equipment sizing. If the system is being replaced, sizing it from a load calculation rather than going bigger.

Not every room can be made identical to every other room, and we will be honest about what is realistic for your home before you spend money.

Is a bigger system the answer to hot rooms?

Usually not. Bigger equipment does not automatically cool or heat a house better. An oversized system can short cycle, causing temperature swings, weaker humidity control and less comfort.

If a room is warm because air is not reaching it, more capacity at the equipment may not change that room much. When replacement is the right call for other reasons, we size the new system from a load calculation rather than from square footage or the size of the old unit.

What does an airflow visit cost?

The standard non-member service fee is $125. Comfort Club members pay $79 for Bronze, $59 for Silver and $0 for Gold. Any repair is priced flat-rate and approved by you before work begins.

Comfort Club members also receive 10%, 15% or 20% off repairs depending on tier, and Silver and Gold include two maintenance visits a year. Repairs carry a 90-day labor warranty from Gibson, and parts carry the manufacturer part warranty as provided by the manufacturer.

Ductwork and airflow FAQs

Why is my upstairs warmer than downstairs?

Warm air rises, and upper floors often have more sun and roof exposure. Airflow, duct layout, equipment size and thermostat location can all add to the difference. A diagnosis shows which factors matter in your home.

Should I close vents in rooms I do not use?

Closing vents changes how air moves through the system and does not always help. Ask us before making it a habit, especially if other rooms are already uncomfortable.

Which towns do you serve?

Delran, Moorestown, Mount Laurel, Marlton/Evesham, Medford, Palmyra, Florence, Riverside, Cherry Hill, Riverton and Voorhees.

Get help with hot and cold rooms

If parts of your home never feel right, call Gibson Home Services at (856) 220-4158 or request service online. We will look for the actual cause and explain your options before recommending anything.