Harnist Services Inc
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Keep Your HVAC Ready Year-Round

The best emergency repair is the one you never need. Regular maintenance catches worn parts, dirty coils, and small problems before they become an unexpected breakdown. And if something does fail, we respond fast and fix the true issue — not just the symptom.

Call 478-784-9555Request a Quote

24-hour emergency HVAC repair available. Call 478-784-9555 for urgent service. Do not wait for a quote-form reply.

What We Do

  • Diagnose no-cool and no-heat calls, including thermostat and system-control problems.
  • Test capacitors, contactors, and electrical components to identify failed parts.
  • Investigate frozen evaporator coils and freeze-ups, including airflow and refrigerant-related causes.
  • Troubleshoot heat pumps, electric heat strips, and backup-heating controls.
  • Check condensate drains and water-overflow problems that can interrupt system operation.
  • Perform seasonal maintenance, including coil, filter, airflow, and operating checks.

When to Call

  • The air conditioner is running but blowing warm air, or the outdoor unit will not start.
  • You notice ice on the refrigerant lines, weak airflow, short cycling, or water around the indoor unit.
  • Your heat pump cannot keep up, or electric backup heat is not working during a cold snap.
  • Schedule maintenance before the summer heat or the first stretch of winter heating.

How a Visit Works

  1. 1.Diagnose the cause

    We ask what you are noticing, inspect the system, and test the relevant components. A symptom like a frozen coil can have more than one cause.

  2. 2.Explain the findings and upfront price

    We explain what failed, the proposed repair, and the price before approved repair work starts. If there are alternatives, we lay them out clearly.

  3. 3.Repair or discuss practical options

    With your approval, we carry out the repair and check operation. If parts, further evaluation, or replacement are needed, we explain the next steps without pressuring you.

Brands & Preferred Equipment

We service most major HVAC brands, including existing air conditioners and heat pumps. Repair recommendations are based on the fault and compatible parts—not a push toward a particular badge. If replacement becomes an option, ask which equipment we currently prefer for your home's needs.

Pricing & Quotes

Call to ask about diagnostic visit charges and scheduling. Repair cost depends on the diagnosis, parts, and work needed. We explain the findings and upfront repair price before you approve the work; we do not quote a made-up flat repair price without checking the system.

For Macon & Middle Georgia Homeowners

Long, humid Macon summers put cooling equipment under heavy load, and Middle Georgia cold snaps can expose backup-heating problems. We help local homeowners address the immediate fault and understand what can reduce repeat trouble.

Frequently Asked Questions

Yes. 24-hour emergency service is available. Call 478-784-9555 for an urgent heating or cooling problem rather than relying on the quote form. Regular office hours are Monday–Friday 9:00 AM–5:00 PM, or by appointment.

Check that the thermostat is set to cool and inspect the filter if it is safely accessible. If the system still blows warm air, call for diagnosis. Do not open electrical panels or handle refrigerant; a capacitor, airflow issue, or another fault may be responsible.

Turn cooling off and call for guidance. Do not chip ice off the coil or lines. The system may need to thaw before it can be checked, and the cause of the freeze-up needs diagnosis rather than simply restarting it.

Yes. We check electric heat strips, controls, and related system operation when backup heating is not working as expected. A cold-weather comfort problem needs testing before assuming a heating element is the cause.

We explain the diagnosis and proposed repair price before approved repair work begins. Call to ask about diagnostic visit charges. If repair and replacement are both reasonable options, we explain the differences without high-pressure selling.

Talk with Harnist Services

Have a repair question? Call or send a quote request for your Macon / Middle Georgia home. We will explain your next steps without a high-pressure pitch.

Call 478-784-9555Request a Quote

Office: Monday–Friday 9:00 AM–5:00 PM, or by appointment. 24-hour emergency service available. For urgent service, call rather than using the quote form.

Need Repair Fast?

Our team is ready to help. Call us for immediate service or schedule an appointment.

Call 478-784-9555Request a Quote

Service Area

We proudly serve the Macon / Middle Georgia area with fast, honest, and reliable HVAC services.