Duval County · Mandarin
Mandarin went from a river farming village to one of Jacksonville’s most built-up suburbs. Mr Gary, a state-certified mechanical contractor, diagnoses the system you have and quotes the work in writing.
Quick facts
Local conditions
Mandarin sits on the east bank of the St. Johns, across the water from Orange Park, with Julington Creek along its southern edge. It began as a farming village and river port, took its name from the mandarin oranges grown there, and drew Harriet Beecher Stowe as a winter resident in the late 1860s. After a hard freeze in the 1890s wiped out the groves, much of the land was sold off and eventually became subdivisions.
Growth picked up after consolidation, and by 1990 it had been rapid enough to call for a new high school. Houses from those growth years are old enough that their original equipment has likely been replaced or soon will be. A replacement is the right time to confirm that the ducts and the refrigerant line set actually suit the new system.
The neighborhood is known for old oaks hung with Spanish moss, and Mandarin Road still bends around some of them. Shade helps, but leaves, pollen and twigs collect on condenser coils and in the base pan, cutting airflow on the hottest days. Keeping a couple of feet clear around the unit and rinsing the coil during maintenance goes a long way.
Near the water
Homes close to the river and Julington Creek sit in damp air for much of the cooling season. If rooms feel sticky even when the thermostat reads 75, the answer may be airflow, a blower speed setting or a dedicated dehumidifier rather than a bigger air conditioner.
Common calls
Nearby
Get started
Book online or call between 8 AM and 8 PM, Monday to Saturday, and the price for any repair will be in writing before work starts.
Seniors get 10% off residential service, and so do military households and first responders. Not sure whether to repair or replace? You’ll get both options priced in writing.
Straight answers
Yes. Leaves, pollen and small twigs pack into the condenser coil and cut airflow, which raises pressures and makes the system work harder. Clearing the area around the unit and cleaning the coil helps.
Not always. The existing line set has to be the right size for the new system, in good condition and properly insulated; Mr Gary checks it before quoting.
Yes. Langston’s covers Mandarin in Duval County and nearby St. Johns County communities such as Fruit Cove.
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.