Why Northeast Florida homeowners call Langston’s
You get the owner
Not a dispatcher, not a rotating crew. The person who diagnoses it is the person accountable for it.
Price before the work
Flat-rate repair pricing approved by you before a single part comes off the truck.
Licensed & insured in Florida
Florida Certified Mechanical Contractor CMC1251311, EPA 608 Universal certified, insured on every job.
Local, across 8 counties
Jacksonville-based, covering eight Northeast Florida counties — not a franchise routing your call out of state.
Reach out
Two ways in. Both go to one person.
Hours
Mon–Sat, 8:00 AM – 8:00 PM
Calls answered by the owner, not a call center.
Where we work
Jacksonville, FL
Serving 8 Northeast Florida counties
Duval, Clay, St. Johns, Nassau, Baker, Bradford, Putnam, Flagler.
Service areas
- Duval County
- Jacksonville
- Westside
- Northside
- Southside
- Arlington
- Mandarin
- Riverside & Avondale
- San Marco
- Baldwin
- Atlantic Beach
- Jacksonville Beach
- Neptune Beach
- Clay County
- Orange Park
- Fleming Island
- Middleburg
- Green Cove Springs
- Keystone Heights
- Lake Asbury
- Oakleaf
- St. Johns County
- St. Augustine
- St. Augustine Beach
- Ponte Vedra
- Nocatee
- Fruit Cove
- World Golf Village
- Hastings
- Nassau County
- Fernandina Beach
- Yulee
- Callahan
- Hilliard
- Baker County
- Macclenny
- Glen St. Mary
- Sanderson
- Bradford County
- Starke
- Lawtey
- Hampton
- Putnam County
- Palatka
- East Palatka
- Crescent City
- Interlachen
- Flagler County
- Palm Coast
- Flagler Beach
- Bunnell
Before you call
A few things worth knowing first
What is the fastest way to get help?
Calling. A two-minute conversation usually identifies the likely failure and gets a real appointment window on the calendar. The form is there for people who would rather not call, or who are messaging outside working hours.
What should I have ready when I call?
The address, roughly how old the system is if you know, what it is doing (or not doing), and when it started. That is enough to get a useful answer.
Should I turn the system off while I wait?
If it is frozen up, iced over, or leaking water — yes, shut it off at the thermostat and let it thaw. Running a frozen system can turn a small repair into a compressor replacement. If it is just not cooling well, leaving it running is fine.
Do you charge for a replacement quote?
No. A replacement evaluation and written quote is free. The diagnostic fee applies to repair calls, where the work is identifying an existing failure.