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.
How Pressure Equalization Between Rooms Works
A transfer grille is a louvered opening, usually installed above a door or through a shared wall, that allows room air to pass through by direct line of sight rather than through ducted return air. Its purpose is pressure equalization: when a bedroom has a supply register but only a door undercut or no dedicated return path back to the central system, closing the door traps that supply air with no way to leave the room except by force through whatever small gaps exist in the walls or door frame. This pressurizes the room, restricts the amount of air the system can actually deliver against that back-pressure, and can create the whistling sound at door gaps that many homeowners notice at night with bedroom doors closed.
Transfer grilles are sized based on the airflow they need to accommodate, generally matched to the room's supply airflow so the grille itself does not become a new bottleneck. We install two grilles offset from each other, one on each side of the wall or door header, positioned so there is no direct line of sight through both openings simultaneously, which maintains a reasonable level of sound and light privacy while still allowing air to pass. This offset installation is a detail that is sometimes skipped in lower-quality installations, resulting in a grille that technically equalizes pressure but also transmits noise and light directly between rooms.
In Georgetown homes, transfer grilles are a practical solution for bedrooms along a hallway that share a return with a central hallway grille, since running a dedicated return duct to every bedroom is often impractical after construction is complete, while a transfer grille can be added with a straightforward cut through the wall or door header. We also install transfer grilles in situations like home offices or media rooms where a closed door is the norm during use, and adequate return pathway matters for both comfort and system efficiency. Installation typically takes 1 to 2 hours per grille and runs 150 to 350 dollars depending on wall thickness and whether the installation goes through a door header or an adjacent wall.
Frequently Asked Questions, Transfer Grille Installation
Uneven Comfort or High Energy Bills?
Ductwork problems are often the hidden cause. We diagnose and fix them.