hvac services in jacksonville
One call covers repair, replacement, and maintenance for every system we sell. If you need hvac jacksonville FL 24/7, our after-hours line stays open for no-cool and no-heat emergencies. We work on central air, heat pumps, furnaces, and ductless mini-splits, and we size new equipment with ACCA Manual J so your system actually fits your home.
Ways we can help
hvac services in jacksonville
One call covers repair, replacement, and maintenance for every system we sell. If you need hvac jacksonville FL 24/7, our after-hours line stays open for no-cool and no-heat emergencies. We work on central air, heat pumps, furnaces, and ductless mini-splits, and we size new equipment with ACCA Manual J so your system actually fits your home.
01
Air Conditioning Repair
Warm air from the vents usually means a failed capacitor, a refrigerant leak, or a dirty evaporator coil. We diagnose with a multimeter and leak detector, then repair on the spot. Most AC repairs in Jacksonville are finished in two to four hours.
View service 02Air Conditioning Installation
New AC installs start with a Manual J load calculation, not a guess. We set the pad, run copper line sets, braze the connections, pull a vacuum, and charge by weight. We register the AHRI certification so your warranty stays valid.
View service 03Air Conditioning Maintenance
A spring tune-up catches clogged condensate drains and weak capacitors before they strand you in July. We clean the coil, check refrigerant pressures, test the contactor, and swap your air filter. Twice-a-year service keeps efficiency up and repairs down.
View service 04Heating Repair
North Florida cold snaps hit hard when your heat pump is down. We troubleshoot ignition failure, defrost issues, and blower motor failure with clamp meters and inspection cameras. Same-day heating repair across Jacksonville, even on the coldest mornings.
View service 05Heating Installation
We install heat pumps, gas furnaces, and dual-fuel systems sized for Jacksonville's mild winters and humid summers. Ductwork gets sealed with duct sealant and checked with a duct blaster. You get a system that heats fast and cools even faster.
View service 06Heating Maintenance
Annual heating maintenance covers the heat exchanger, burners, igniter, and safety switches. We check refrigerant charge on heat pumps and clear the condensate lines. Book it in October before the first cold front reaches Duval County.
View service 07Furnace Repair
No heat plus a blinking fault code points to ignition failure or a cracked igniter. We test the gas valve, flame sensor, and control board with a multimeter, then replace only the failed part. Most furnace repairs are done in one visit.
View service 08Furnace Installation
A new furnace install includes a combustion air check, gas line sizing, and a fresh flue connection. We seal the plenum with sheet metal and duct sealant, then commission the unit and walk you through the thermostat settings.
View service 09Furnace Maintenance
Furnace tune-ups cover burner cleaning, flame sensor inspection, and carbon monoxide testing. We check the blower motor amp draw with a clamp meter and replace the air filter. It is the cheapest way to avoid a mid-January breakdown.
View service 10Heat Pump Repair
Heat pump defrost issues leave ice on the outdoor coil and cold air inside. We test the reversing valve, defrost board, and refrigerant charge with manifold gauges. Repairs are usually same-day, and we verify heating and cooling modes before we leave.
View service 11Heat Pump Installation
Heat pumps are the right call for most Jacksonville homes because they heat and cool from one unit. We size with Manual J, run new copper line sets, and seal every duct joint. You get one system, one warranty, and lower utility bills.
View service 12Heat Pump Maintenance
Twice-a-year heat pump service keeps the reversing valve and defrost controls working. We rinse the outdoor coil, check refrigerant pressures, and test the auxiliary heat. It prevents the frozen-coil calls we get every January.
View service 13Ductless Mini-Split Installation
Mini-splits are perfect for additions, garages, and older homes without ductwork. We mount the indoor head, run the line set through a wall sleeve, and pull a deep vacuum before charging. Mitsubishi Electric and Daikin units are our most-requested brands.
View service 14Ductless Mini-Split Repair
Mini-split problems show up as water dripping from the head or a unit that will not ramp up. We clear the PVC condensate line, test the control board, and check for refrigerant leaks with an electronic detector. Most repairs are done in one trip.
View service 15Ductless Mini-Split Maintenance
Mini-split maintenance means washing the blower wheel, cleaning the filters, and checking the flare connections for leaks. We also verify the drain pan and line set insulation. Do it annually to keep the unit quiet and efficient.
View service 16Central Air Conditioning Service
Central AC service covers the condenser, evaporator, line set, and thermostat as one system. We check refrigerant charge with manifold gauges, test the contactor, and measure airflow with an anemometer. It is the full picture, not just a filter swap.
View service 17Central Heating Service
Central heating service covers your furnace or heat pump, the blower, and the duct system. We test ignition, check the heat exchanger, and verify airflow room by room. This is the service to book before the first cold front.
View service 18Emergency HVAC Service
Emergency hvac jacksonville FL calls get priority dispatch, day or night. No cooling in August or no heat in January is not something you wait on. We stock capacitors, contactors, and thermostats so most emergencies end in one visit.
View service 1924/7 HVAC Repair
Our after-hours line stays open for hvac jacksonville FL 24/7 repair. A live person answers, and a tech is dispatched with a fully stocked truck. You get a call-ahead window, not a vague all-day promise.
View service 20Commercial HVAC Services
We service rooftop units, split systems, and mini-splits for Jacksonville shops, clinics, and offices. Maintenance agreements cover filter changes, belt checks, and coil cleaning. We schedule work around your business hours so you stay open.
View service 21Residential HVAC Services
Residential HVAC covers everything from a single-family home in Orange Park to a duplex in Murray Hill. We repair, replace, and maintain AC, heating, and ductwork. One local crew handles the whole house, not three subcontractors.
View service 22HVAC Inspection
A full HVAC inspection checks refrigerant charge, electrical draw, airflow, and duct leakage. We use a duct blaster and inspection camera to find hidden problems. You get a written report with photos and a repair priority list.
View service 23HVAC Tune-Up
A tune-up is a 21-point service: coil cleaning, capacitor testing, drain clearing, and thermostat calibration. It takes about 90 minutes and costs far less than a summer breakdown. Book one in spring and one in fall.
View service 24HVAC Duct Cleaning
Duct cleaning pulls years of dust, pollen, and construction debris out of your system. We use negative-air equipment and brush the supply and return runs. It helps most in older Jacksonville homes with flex duct.
View service 25HVAC Duct Sealing
Leaky ducts can waste 20 to 30 percent of your cooled air. We seal joints with mastic and duct sealant, then verify the improvement with a duct blaster test. Rooms that never cooled right often just need sealed ducts.
View service 26HVAC Duct Repair
Crushed flex duct, torn insulation, and disconnected runs are common in attics after storm season. We reconnect, re-insulate, and support the duct so airflow reaches every room. Most duct repairs are done in a single afternoon.
View service 27HVAC Duct Installation
New duct systems are designed with ACCA Manual D so static pressure stays in range. We fabricate sheet metal trunks, run flex duct to each register, and seal every joint. It is the right fix when the old ductwork is undersized.
View service 28Air Quality Testing
Air quality testing measures particulates, humidity, and carbon monoxide in your home. Jacksonville's humidity makes mold and dust mite problems worse. We test, then recommend filtration or dehumidification that actually fits the results.
View service 29Indoor Air Quality Solutions
High humidity and tight construction trap pollutants indoors. We install media filters, UV lamps, and whole-home dehumidifiers sized to your square footage. If allergies spike when the AC runs, this is where to start.
View service 30Air Purifier Installation
We install whole-home air purifiers that tie into your existing ductwork, so every room gets filtered air. Options include media cabinets, UV systems, and polarized-media filters. Installation takes about half a day.
View serviceHow service works
how our service call works
You call, we ask a few questions, and we dispatch a stocked truck. No phone-tree runaround, no waiting all day for a window that never gets narrower. Here is the sequence from first ring to final test.
STEP 01
Call and describe
Tell us what the system is doing: warm air, short cycling, ice on the coil, or a thermostat that is blank. We ask a few questions to load the right parts on the truck before we leave the shop.
Need a quick answer?Talk with the local team. (312) 638-0812
Why people choose us
why jacksonville homeowners call AirCrest
We are a local shop, not a franchise call center. That means the tech who answers your call is the tech who shows up, and the price we quote is the price you pay. Here is what that looks like in practice.
Before the visit
hvac jacksonville FL questions, answered
These are the questions we get on the phone every week. Short answers here, longer ones when you call.
Still wondering? (312) 638-0812
Most repairs run $129 to $450, and a full system replacement typically lands between $5,800 and $11,500 in 2026. Duct sealing and air quality projects range from $1,200 to $4,800. You get a written price before we start, and the diagnostic fee is credited toward the repair.
The best hvac company in jacksonville is the one that shows up when it says it will and prices the job before starting. We are NATE certified, EPA 608 compliant, licensed and insured in Florida, and we have served Duval County since 2018. Ask for references and check the license before you hire anyone.
Yes. Our after-hours line handles emergency hvac jacksonville FL calls 24/7, including weekends and holidays. A live person answers, and we dispatch a stocked truck with capacitors, contactors, and thermostats on board. Most no-cool and no-heat emergencies are resolved in one visit.
Check three things: a current Florida HVAC contractor license, EPA Section 608 certification for refrigerant work, and a written price before work begins. Ask whether they pull a vacuum and charge by weight on installs. If a quote skips those steps, keep looking.
Carrier, Trane, and Lennox all hold up well here when the system is sized correctly. The brand matters less than the install: Manual J sizing, sealed ducts, and a proper charge. We also install Mitsubishi Electric and Daikin mini-splits for additions and garages.
Your next step is waiting
need hvac jacksonville FL service today?
No cooling, no heat, or a system that will not keep up? Call AirCrest Jacksonville HVAC at (312) 638-0812. Same-day appointments, upfront pricing, and a tech who tests the system before leaving.
Start with the basics
call AirCrest Jacksonville HVAC
Call (312) 638-0812 and a live person answers, not a phone tree. We book same-day appointments across Jacksonville and Duval County, and our after-hours line stays open for emergencies. Tell us what the system is doing and we will load the right parts before the truck rolls.