> Your Online Garage A/C and Heat: Heating, Ventilation, Air Conditioning (HVAC) System Service and Repair Your air conditioning system is part of your HVAC (heating, ventilation, and air conditioning) system, and one of the key components in your vehicle’s comfort-control center.  When your air conditioning is not functioning properly, driving can be miserable and, in some cases, even dangerous.   All modern cars have a heater, and most have an air conditioner.  These components help maintain safe and comfortable driving conditions, including visibility. The HVAC System provides proper in vehicle climate conditions.  It de-humidifies the vehicle interior (and helps to clear fogged windshields).  You must seal and contain refrigerant, lubricant, and coolant. Symptoms of a malfunctioning HVAC System Improper vent air temperature Low or no vent air flow Smell or fogging of windshield during defroster operation Growling/grinding or squealing noise during A/C or heater operation

May contain control valves for A/C pressure control Controlled by On-Board Computer Must be lubricated internally Allows heat removed from passenger compartment to be transferred tot he under hood area. Assists in removing heat generated by proper condenser and radiator operation. Electrically or hydraulically controlled Removes moisture from flowing refrigerant (desiccant) Moves air inside vehicle across evaporator and/or heater core Controlled by climate control panel Creates pressure differential allowing refrigerant to remove heat from passenger compartment Thermostatic or fixed orifice design Allows heat to be removed via refrigerant from the passenger’s compartment to be carried to the condenser Substance that can be vaporized and condensed between certain temperatures Must be kept pure and free of contaminates and moisture 134a is approved refrigerant for today’s vehicles Are there environmental concerns with air conditioning?

Because all refrigerants currently used in automotive air conditioning systems are controlled substances, it is important that it not be allowed to escape into the atmosphere during servicing.  Our technicians use a sealed, environmentally-friendly process that captures the refrigerant, cleans it, replenishes it and returns it to your auto air conditioning system good as new.how long can an ac unit last What if my vehicle still uses Freon?what is ac unit made of Auto air conditioning systems built before 1995 use the refrigerant R-12 or (CFC-12), also referred to as Freon. how does an outdoor ac unit workThe EPA determined that Freon was destroying the ozone layer and in 1995, all production ceased. Freon is now extremely expensive and difficult to find.

Precision Tune Auto Care offers a retrofit service that enables your A/C system to use R-134a refrigerant. The retrofit pays for itself in the cost savings on the refrigerant.  Consult your local store manager for more information on retrofitting. Transfers heat from coolant to outside air Constructed of aluminum, steel, or composite plastics Provides convenient transfer and routing of coolant to heater core Constructed of reinforced rubber compounds Regulates flow of coolant Allows vehicle to reach and maintain proper operating temperature Proper operation allows sufficient heat for passenger comfort Heater Core/Heater Control Valve Heat exchanger located inside passenger compartment Contains hot engine coolant which allows proper temperatures to be maintained in passenger compartment Similar construction to radiator Control valve regulates coolant flow to heater core Sign up for exclusive offers!Cool Your Car With Our A/C Care.

Leave your A/C needs to Firestone Complete Auto Care in Charlotte, NC. We go beyond repairs with everything from inspections to performance checks. Your Nearest Location{{ locations[0].name }} Get Directions{{ locations[0].phone }}Find More Locations > Visit Us In Charlotte, NC For A/C Repairs And More Don't wait out the summer heat— and stay defrosted during the winter! Get your A/C to perform when it matters with help from Firestone Complete Auto Care in Charlotte, North Carolina. So whether your malfunctioning A/C needs repairs or you want to get everything checked out, look to us for A/C services that will keep you cool and comfortable. From leaks to air that runs both hot and cold, we can fix most any problem. Our A/C service includes inspection and testing; and most any repairs your system might need. Everything is handled by our experienced technicians, who are not only ASE- and MACS test-certified, but also undergo thorough onsite training so they have the knowledge they need to get your car running the way it should.

What's more, our A/C services come with a 12 month/12,000 mile warranty (whichever comes first). And best of all, you'll drive away confident thanks to the Firestone Fixed Right Service Guarantee. It means your air conditioning will be fixed right the first time around. Find out what we can do for your car or truck today! Make an appointment at your Charlotte shop or just stop by. A/C Repair ServicesA/C Recharge ServicesA/C FreonHow Does a Car A/C Work? Car Care Expertise: The Greatest Guarantee Want to keep your car in great shape? At Firestone Complete Auto Care, you can trust our ASE-certified technicians to know what you need. Whether you need new tires, new brakes, a new car battery, a new state inspection sticker, or beyond, our auto care teammates know most everything about fixing your car. Plus, we're happy to answer all your questions along the way. That's because we always do our best to put you and your car first. It's all part of the Firestone Complete Auto Care philosophy, bringing you the ultimate in value and car care for 90 years.