Central Oregon Heating flags ductwork as a cause of uneven cooling in Bend homes

Central Oregon Heating, Cooling, Plumbing & Electrical says room-to-room temperature differences in Bend homes can point to ductwork problems, not just an air conditioner issue. The company outlines what homeowners can check, what a technician can measure and when a full system evaluation may be needed.

Why it matters: - Uneven cooling can leave one room uncomfortable even when the rest of the home feels fine. - Duct leaks, blocked returns and poor airflow can keep conditioned air from reaching the rooms that need it. - The issue matters for Bend homeowners considering repairs, tune-ups or a new AC installation because the duct system affects whether equipment can actually deliver the air it produces.

What happened: - Central Oregon Heating, Cooling, Plumbing & Electrical outlined ductwork factors that can drive uneven cooling in Bend homes. - The company said a room that stays warm while the rest of the house is comfortable may point to a delivery problem between the air conditioner and the living space. - The company also said homeowners who want a professional maintenance visit may be eligible for a $99 Heating/Cooling Tune-Up. - Central Oregon Heating, Cooling, Plumbing & Electrical said homeowners can request service at 541-227-6258.

The details: - Cooled air leaves the indoor equipment, moves through the main supply duct, travels through branches and exits at room registers. - A disconnected joint, damaged section, crushed flexible duct or poorly balanced branch can reduce airflow along that route. - ENERGY STAR estimates that a typical U.S. house can lose roughly 20% to 30% of the air moving through ducts because of leaks, holes and poor connections. - The company noted that ENERGY STAR’s figure is a national reference range, not a measurement of any specific Bend home. - Homeowners can start by recording which room is affected, the time of day, whether the door is open or closed and whether airflow at the register differs from a similar room. - Homeowners should confirm that the register is open and not blocked by furniture or rugs. - A west-facing room that warms late in the day may have a different load from an interior room that is uncomfortable all morning. - A room that changed suddenly suggests a different investigation from one that has never cooled well. - Air also needs a path back to the equipment through the return side. - A closed bedroom door, restricted return grille or limited return-air pathways can affect pressure and circulation. - Visible dust at a grille does not prove ducts are leaking. - A warm room does not prove the AC is undersized. - The same symptom can involve solar exposure, insulation, airflow, duct condition, system capacity or more than one factor. - A professional evaluation can measure airflow, pressure and temperature change. - A technician can inspect accessible duct connections and determine whether leakage testing or balancing is appropriate. - If ducts run through an attic, crawlspace or garage, the inspection can also consider insulation and the loss of conditioned air outside the living area. - The goal is to locate the restriction or loss before recommending equipment. - Replacing the outdoor unit does not repair a disconnected branch. - Sealing one visible joint does not establish that the rest of the distribution system is sound. - If AC installation or replacement is being considered, the duct system should be part of the design conversation. - The proposed equipment must be able to move the required air through the delivery system that serves the home.

Between the lines: - The guidance shifts attention from the thermostat and outdoor unit to the full delivery path inside the home. - The company’s framing suggests that many comfort complaints need diagnosis before replacement, since the duct system can be the real bottleneck. - The advice also points to a practical homeowner test: whether comfort changes when doors are open, registers are unobstructed and usage patterns shift.

What's next: - Homeowners with persistent hot rooms can document the pattern and request a system-and-duct evaluation. - A technician may use those observations to decide whether airflow balancing, leakage testing or insulation checks are needed. - Bend homeowners can contact Central Oregon Heating, Cooling, Plumbing & Electrical at 541-227-6258 for air conditioning services. - Central Oregon Heating, Cooling, Plumbing & Electrical said it serves Bend and nearby Central Oregon communities with residential air-conditioning repair, maintenance, installation and replacement services.