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, backed by licensed technicians and 24/7 emergency 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 stand behind every repair with our satisfaction guarantee.
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.
Learn moreHeating System Repair
Furnace, heat pump, and boiler repair to restore warmth when you need it most. Gas and electric heating system diagnostics and repair.
Learn moreHeat Pump Repair
Specialized heat pump diagnostics and repair. Reversing valve, defrost cycle, refrigerant, and electrical component troubleshooting.
Learn moreRefrigerant Recharge & Leak Repair
Professional leak detection, refrigerant recharge, and system sealing. R-410A and R-22 phase-out guidance for older systems.
Learn moreCompressor Replacement
Expert compressor diagnosis and replacement. We help you weigh repair versus replacement costs for the best long-term decision.
Learn moreBlower Motor Repair
PSC and ECM blower motor diagnostics, repair, and replacement. Restore proper airflow and system efficiency.
Learn moreCapacitor Replacement
Start and run capacitor testing and replacement. One of the most common AC failures, and one of the fastest to fix.
Learn moreEvaporator Coil Repair
Frozen coil diagnosis, leak detection, coil cleaning, and replacement. Restore cooling efficiency and prevent water damage.
Learn moreCondenser Unit Repair
Outdoor unit repair including fan motors, coil cleaning, refrigerant issues, and electrical component replacement.
Learn moreThermostat Troubleshooting
Thermostat calibration, wiring repair, replacement, and smart thermostat upgrades. Ensure accurate temperature control.
Learn moreWhy 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.
24/7 Emergency Service
HVAC emergencies do not wait for business hours, and neither do we.
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.
Satisfaction Guarantee
Every repair is backed by our warranty and our word.
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?
We offer 24/7 emergency HVAC repair service throughout Nashville and Middle Tennessee. For urgent situations like complete system failure during extreme weather, our goal is to have a technician on-site within 2 to 4 hours. During business hours, same-day service is typically available.
How much does HVAC repair cost in Nashville?
HVAC repair costs vary depending on the issue. Simple repairs like capacitor replacement typically run $150 to $350, while more complex repairs like compressor replacement can range from $1,500 to $3,000. We provide upfront pricing before starting any work so there are no surprises.
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.
Is your HVAC repair work guaranteed?
Absolutely. All our repair work comes with a satisfaction guarantee. Parts we install carry manufacturer warranties, and our labor is warranted for one year. If a repair we performed fails within that period, we will come back and make it right at no additional cost.
Need HVAC Repair in Nashville?
Our licensed technicians are available 24/7 for emergency repairs. Call now or schedule service online.