Ductwork & Airflow Services, Georgetown TX
Duct Repair & Construction
Repair disconnected, damaged, or collapsed duct sections. Restore airflow to rooms losing conditioned air.
Professional duct sealing with mastic or foil tape, eliminate air leaks that waste conditioned air in attic and crawlspace.
New duct system design and installation for additions, renovations, or full system replacement.
Custom fabrication of sheet metal trunk lines, branches, and fittings for high-performance duct systems.
Splice and reconnect flex duct sections, replace damaged sections, and correct improper flex duct installations.
Custom supply plenum fabrication for equipment replacements where the new unit requires a different plenum configuration.
Repair leaking or damaged return air plenums that allow unconditioned attic air to enter the system.
Applied mastic sealing for all duct joints and connections, the most durable sealing method for Georgetown's attic conditions.
Seal duct boots at registers where leakage directly into walls or ceilings causes significant energy loss.
Airflow Balancing
Measure and balance air distribution across all supply and return vents for even comfort throughout the home.
Comprehensive whole-house airflow evaluation and adjustment, dampers, registers, and duct sizing evaluated.
Balance airflow to specific problem rooms that receive too much or too little conditioned air.
Adjust zone dampers and control settings for homes with zoning systems to improve comfort and efficiency.
Full optimization of multi-zone airflow systems, control logic, damper travel, and zone sizing.
Optimize how conditioned air is distributed throughout the duct system for efficiency and comfort.
Improve overall air movement in the home through duct, register, and equipment adjustments.
Undersized return air is the most overlooked duct problem, we measure and correct return air flow.
Expand or add return air drops to improve system static pressure and airflow in homes with insufficient return capacity.
Dampers & Registers
Install manual balancing dampers in branch ducts to control airflow to specific zones or rooms.
Repair or replace motorized zone dampers that are stuck open, stuck closed, or not responding to controls.
Replace damaged, rusted, or improperly sized floor registers and diffusers.
Replace ceiling supply and return grilles with correct sizing and airflow direction for your room layout.
Install transfer grilles to improve pressure equalization and airflow between rooms with closed doors.
Install jump ducts above doorways or through walls to allow air pressure equalization between zones.
Redirect or baffle supply vents that blow directly on occupants or create drafty areas.
Measure and calibrate airflow from each vent against design specifications.
Ventilation & Testing
Repair ERVs, HRVs, exhaust fans, and dedicated ventilation systems.
Improve fresh air exchange and indoor air quality through targeted ventilation upgrades.
Measure system static pressure to identify duct restrictions causing equipment stress and efficiency loss.
Isolate duct sections from structure to eliminate vibration noise that transmits through walls and ceilings.
Install internal duct lining to absorb noise from high-velocity air movement in ducts near occupied spaces.
Duct Insulation & Protection
Install or replace duct insulation in Georgetown attics where heat gain from uninsulated ducts wastes significant energy.
Install vapor barriers to prevent condensation on cold supply ducts in Georgetown's humid summers.
Support or repair duct systems during crawlspace encapsulation projects.
Repair small-diameter high-velocity duct systems found in older homes and historic properties.
Expanding Return Capacity the Right Way
A return air drop is the vertical duct section connecting a return grille to the main return trunk or plenum, and expanding it means increasing the size or number of these drops to raise the total return airflow capacity of the system. This becomes necessary when a home's return capacity was adequate for the original equipment but has become a bottleneck after an equipment upgrade to a higher-capacity unit, after an addition increased the home's total conditioned square footage without a corresponding return upgrade, or when the original design simply undersized return capacity relative to supply, which is a common shortcut in budget-focused new construction.
We size return drop expansions based on the total system airflow requirement, converting the equipment's rated cubic feet per minute into the return duct cross-sectional area needed at an appropriate face velocity, generally keeping velocity low enough to avoid noise while still moving adequate volume. Where a single return drop cannot be enlarged due to framing constraints, such as a return chase built into a wall between studs spaced at standard 16 inch centers, we add a second return drop elsewhere in the home rather than trying to force more capacity through a space-limited existing drop. This often means routing a new return path through an accessible attic space down into a hallway or central area, tying into the return plenum at the equipment.
In Georgetown, we see the need for return drop expansion most often after equipment upgrades, since modern high-efficiency units frequently require higher airflow to properly load the coil, and after room additions that increase the conditioned footprint by 300 square feet or more without any return air modification. Undersized return capacity that goes uncorrected after such changes leads to elevated static pressure, reduced system efficiency, and can shorten blower motor life over time from the added strain. Expanding return capacity typically runs 400 to 900 dollars depending on whether it requires enlarging an existing drop or adding a new return path through the attic, and we always verify the improvement with a static pressure reading at the equipment after the work is complete.
Frequently Asked Questions, Return Air Drop Expansion
Uneven Comfort or High Energy Bills?
Ductwork problems are often the hidden cause. We diagnose and fix them.