Duval County · Historic districts
These neighborhoods were designed around porches and cross breezes, not ductwork. Mr Gary, a licensed mechanical contractor working from the nearby Westside, measures what your system is actually doing and quotes the fix in writing.
Quick facts
Local conditions
Riverside was platted in 1868, and its biggest growth came after the Great Fire of 1901 sent displaced residents across town. The historic district’s period of significance runs from about 1871 to 1935, and its typical bungalow is a one-story, gable-roofed frame house with clapboard or wood-shingle siding. Avondale followed in the 1920s with mostly Mediterranean Revival homes on curving streets.
None of this housing was designed around central air, which did not become common in American homes until after World War II. Every system here is a retrofit, so duct runs end up squeezed into whatever attic or floor space the house allows, and returns are often too small. Leaky or undersized ducts can make a perfectly good condenser look like it is failing.
When a room can’t be reached without opening plaster walls, a ductless mini-split is often the cleaner answer. It needs only a small hole for the refrigerant lines, and it lets you cool a sunroom or a back bedroom on its own schedule.
Before you move equipment
Riverside’s historic district was listed on the National Register in 1985 and Avondale’s in 1989, and the city treats the combined area as a local historic district. The City of Jacksonville requires a Certificate of Appropriateness for exterior work on properties in its historic districts. If a replacement means relocating a condenser or adding a new outdoor unit, check with the city’s Historic Preservation Section before the work is scheduled.
Nearby
Get started
Old houses rarely have one simple answer. Call or request a callback, and Mr Gary will walk the house, take readings and lay out the options in writing.
Larger projects can be financed, including through your own credit union home-improvement loan.
Straight answers
Often, yes, depending on attic and floor space. Where ducts would mean cutting into plaster or trim, ductless mini-splits are a common alternative.
The city requires a Certificate of Appropriateness for exterior work in its historic districts. Check with the Historic Preservation Section before moving equipment or adding a new outdoor unit.
In retrofit systems the usual causes are a long or leaky duct run, a crushed flex duct, or too little return air. Measuring static pressure and airflow narrows it down.
Langston’s Heating & Air Conditioning · Licensed CMC1251311 · Mon–Sat 8 AM–8 PM
Need help now? Calling is the fastest way to get on the schedule.
Call Now · 904-467-1100Monday–Saturday · 8 AM–8 PM
Leave your name and number and we’ll call you back as soon as possible.