Your HVAC system is the unsung hero of your home—keeping you cool in the summer, warm in the winter, and comfortable all year long. But like any hardworking machine, it’s made up of dozens of parts that can wear out or break over time. At Texas Air Authorities, we believe in helping our customers in the Dallas-Fort Worth Metroplex understand their systems, so there are no surprises when a repair is needed.
In this guide, we’ll walk you through some of the most common HVAC repair parts, what they do, and what you can generally expect to pay for repairs or replacements. This way, you’ll be better prepared if your system ever decides to act up.
1. Capacitors
What They Do: Capacitors help your HVAC system start up by storing and releasing energy to the motors. There are start capacitors (which help your system begin a cycle) and run capacitors (which keep it running).
Common Problem: When a capacitor fails, your AC may hum but not start, or it may stop mid-cycle.
Estimated Cost:
- Part: $100–$250
- With Labor: $150–$400
2. Contactors
What They Do: The contactor controls the flow of electricity to various components like the compressor or condenser fan. It acts like a switch that turns your system on and off.
Common Problem: A faulty contactor can cause your AC not to turn on at all or cycle frequently.
Estimated Cost:
- Part: $50–$150
- With Labor: $100–$250
3. Thermostats
What They Do: The thermostat is the brain of your HVAC system. It tells the system when to turn on and off based on the temperature you set.
Common Problem: A broken or outdated thermostat can cause erratic temperatures, short cycling, or no operation at all.
Estimated Cost:
- Basic Thermostat: $100–$250
- Smart Thermostat: $250–$500
- Installation Included
4. Blower Motor
What It Does: The blower motor pushes conditioned air through the ductwork and into your home.
Common Problem: A failing motor can result in poor airflow, no airflow, or strange noises.
Estimated Cost:
- Part: $400–$800
- With Labor: $500–$1,200
5. Evaporator Coil
What It Does: Located inside or near the air handler, the evaporator coil absorbs heat from your home’s air and plays a major role in cooling.
Common Problem: Dirty or leaking coils can cause your AC to lose efficiency or freeze up entirely.
Estimated Cost:
- Part: $600–$1,500
- With Labor: $900–$2,000+
6. Compressor
What It Does: The compressor is the heart of your AC system. It pressurizes refrigerant and moves it through the system to remove heat from your home.
Common Problem: A failed compressor often means the whole outdoor unit won’t run, and it’s one of the most expensive components to replace.
Estimated Cost:
- Part: $1,200–$2,000+
- With Labor: $1,500–$3,000+
7. Refrigerant Leaks & Recharge
What It Does: Refrigerant is what absorbs and removes heat from your home. A system low on refrigerant can’t cool effectively.
Common Problem: Leaks can happen anywhere in the coils or lines and must be repaired before recharging.
Estimated Cost:
- Leak Detection & Repair: $200–$1,000+
- Recharge (R-410A): $100–$350 per pound (2–4 lbs. typical)
- R-22 (older systems): Much higher and being phased out
Why You Should Trust Texas Air Authorities for HVAC Repairs
At Texas Air Authorities, we don’t believe in high-pressure tactics or surprise charges. When something goes wrong, our NATE-certified technicians explain the issue clearly, offer multiple solutions when possible, and provide transparent pricing. You’ll know exactly what to expect before we begin any work.
What we offer:
- Same-day service
- 1-year warranty on all new equipment
- Free same-day estimates
- Trusted repair of all makes and models
Conclusion
HVAC repairs can be stressful — especially if you don’t know what to expect. But with Texas Air Authorities, you’ve got a trusted team of professionals on your side. Whether you’re dealing with a faulty blower motor, a worn-out capacitor, or something in between, we’re here to keep your home comfortable and your costs manageable.
Call us today for a free quote, and let us protect and serve your comfort — the Texas Air Authorities way.
Texas Air Authorities is the premier choice for HVAC services in Arlington. With a team of highly trained and certified technicians, we have the expertise to handle all of your heating, ventilation, and air conditioning needs. Our commitment to customer satisfaction is unmatched, and we always go above and beyond to ensure that your experience with us is positive. We use only the highest quality parts and equipment to ensure that your HVAC system is running at peak performance. Plus, we offer competitive pricing and flexible scheduling to fit your needs. Choose Texas Air Authorities for all of your HVAC needs in Arlington.
