HVAC Repair Services

When your heating or cooling system breaks down, you need a team that can diagnose the problem fast and fix it right the first time. Harpeth Air provides expert HVAC repair throughout Nashville and Middle Tennessee. Call our team to describe the issue and discuss service availability.

From a simple capacitor swap to a full compressor replacement, we handle every repair with the same attention to detail. We carry common parts on our trucks, provide upfront pricing before starting any work, and explain applicable warranty terms in your repair proposal.

Our Repair Services

From air conditioning and heating to individual components, our licensed technicians diagnose and repair every part of your HVAC system.

AC Repair

Comprehensive air conditioning repair for all makes and models. Diagnosis and repair of refrigerant leaks, compressor failures, fan motors, capacitors, and more.

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Heating System Repair

Furnace, heat pump, and boiler repair to restore warmth when you need it most. Gas and electric heating system diagnostics and repair.

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Heat Pump Repair

Specialized heat pump diagnostics and repair. Reversing valve, defrost cycle, refrigerant, and electrical component troubleshooting.

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Refrigerant Recharge & Leak Repair

Professional leak detection, refrigerant recharge, and system sealing. R-410A and R-22 phase-out guidance for older systems.

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Compressor Replacement

Expert compressor diagnosis and replacement. We help you weigh repair versus replacement costs for the best long-term decision.

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Blower Motor Repair

PSC and ECM blower motor diagnostics, repair, and replacement. Restore proper airflow and system efficiency.

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Capacitor Replacement

Start and run capacitor testing and replacement. One of the most common AC failures, and one of the fastest to fix.

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Evaporator Coil Repair

Frozen coil diagnosis, leak detection, coil cleaning, and replacement. Restore cooling efficiency and prevent water damage.

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Condenser Unit Repair

Outdoor unit repair including fan motors, coil cleaning, refrigerant issues, and electrical component replacement.

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Thermostat Troubleshooting

Thermostat calibration, wiring repair, replacement, and smart thermostat upgrades. Ensure accurate temperature control.

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Why Harpeth Air

The Right Choice for HVAC Repair

Our technicians train on the hardest commercial systems in Nashville — rooftop units, VRF, chillers — then bring that experience back to your home or business. Residential repairs are straightforward by comparison.

We do not pay our technicians on commission, which means they have no incentive to recommend unnecessary repairs. When we say you need a repair, you can trust the diagnosis. When we say your system is fine, we mean it.

Repair Scheduling

Call to describe the issue and discuss the next available service visit.

Upfront Pricing

You approve the cost before we start. No hidden fees or surprise charges.

Licensed & Insured

Fully licensed Tennessee HVAC contractor. EPA 608 certified technicians.

Stocked Service Trucks

We carry common parts so most repairs are completed in a single visit.

Clear Repair Scope

Review the recommended work, price, and applicable warranty terms before approving a repair.

Common HVAC Problems We Fix

Recognizing the symptoms early can prevent small problems from becoming expensive repairs. Here are the most common issues we see in Nashville homes.

AC blowing warm air

Possible causes: Low refrigerant, compressor failure, dirty condenser coils, or thermostat issues.

System not turning on

Possible causes: Tripped breaker, blown fuse, faulty capacitor, thermostat wiring, or contactor failure.

Unusual noises

Possible causes: Loose fan blade, failing compressor bearings, worn blower motor, or debris in the unit.

Short cycling

Possible causes: Oversized system, dirty air filter, low refrigerant, or faulty thermostat sensor.

Weak airflow

Possible causes: Clogged filter, blocked ducts, failing blower motor, or frozen evaporator coil.

Water leaking from unit

Possible causes: Clogged condensate drain, frozen evaporator coil, cracked drain pan, or improper installation.

Frequently Asked Questions

How quickly can you respond to an emergency HVAC repair?

Call to describe the problem and discuss the next available service visit. Scheduling depends on technician availability, your location, and the work your system needs. We will confirm the appointment window when your visit is scheduled.

How much does HVAC repair cost in Nashville?

HVAC repair costs depend on the diagnosis, equipment, replacement parts, and access. We explain the recommended work and provide a quote for your approval before starting the repair.

Should I repair or replace my HVAC system?

As a general rule, if your system is over 15 years old and the repair cost exceeds 50% of a new system, replacement is usually the better investment. We always give you an honest assessment and never push replacement when a repair makes more sense.

Do you repair all HVAC brands?

Yes. Our technicians are trained to diagnose and repair all major HVAC brands including Carrier, Trane, Lennox, Rheem, Goodman, Daikin, York, and many others. We carry common parts for most brands on our service trucks.

What warranty coverage applies to an HVAC repair?

Warranty coverage depends on the parts, manufacturer, and work performed. Ask our team to review any applicable parts and labor coverage, exclusions, and terms in your written repair proposal before approving the work.

Need HVAC Repair in Nashville?

Call to discuss repair availability or request a service visit online.