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Frequent Cycling or System Won’t Turn On? Book Our Heating Repair Services

Heating repair for frequent cycling or startup issues

Is your heating system turning on and off too often or refusing to start altogether? Our expert technicians will identify the root cause and restore your system’s performance in no time. Discover our HVAC repair services to get started today.

“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”

Kailyn C.

Happy customer

Jimmy Griffin, owner of A&G Air Conditioning, smiling next to an HVAC system in Orlando, FL

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“They were prompt, on time, and communicated well. Completely hassle-free to deal with and were honest. Their prices are fair and reasonable. There is no sales pitch or pressure. Jimmy is great at telling you exactly what is going on and what your best options are.”

Kailyn C.

Happy customer

Common Causes for Frequent Cycling or a System That Won’t Turn On

Frequent on-off cycles (short cycling) and startup failures can happen in both heating and cooling systems. Left unresolved, these problems can lead to higher energy bills and significant wear on crucial components. Below are some common reasons your HVAC system may be acting up.

Dirty or Clogged Filters

When filters become clogged, airflow decreases, causing the system to overheat or work too hard—often leading to frequent cycling or shutoffs. Changing filters every 30 to 90 days can prevent many of these issues.

Thermostat Problems

A malfunctioning or poorly placed thermostat can send false signals to your system. This can cause it to cycle rapidly or fail to power on at all. Check batteries, placement, and settings before assuming larger faults.

Electrical or Ignition Issues

For gas furnaces, a faulty ignition or pilot light can prevent startup. Electric furnaces or heat pumps might have loose wiring or failing components. In both cases, it’s best to have a professional inspect for safe, effective repairs.

Refrigerant Leaks (Cooling Mode)

In AC or heat pump systems, low refrigerant can lead to short cycles as the unit struggles to meet your temperature setting. If you suspect a leak, only a licensed HVAC technician can diagnose and refill refrigerant.

System Sizing or Installation Errors

An oversized or improperly installed system cools or heats too quickly, causing rapid cycling. Conversely, an undersized unit may never reach the set temperature, often running non-stop or failing to start up properly.

How to DIY Frequent Cycling or Startup Issues

Before calling a professional, try these simple tips to see if the problem is a quick fix. If your system still struggles after these steps, learn how to heat your home efficiently or schedule service for further diagnosis.

Check Power Sources

Ensure your thermostat is powered and that the circuit breaker or furnace switch hasn’t been tripped. Sometimes a quick reset is all it takes to restore operation.

Replace Air Filters

A quick and cost-effective fix for many cycling or startup issues is swapping out dirty filters. Clean filters help maintain steady airflow and proper system function.

Inspect Outdoor Unit or Furnace Area

For AC or heat pump systems, remove debris around the outdoor unit for unrestricted airflow. For furnaces, ensure the area is clear of clutter that could block ventilation.

Examine Thermostat Settings

Confirm the thermostat is set correctly (e.g., “Heat” in colder weather, “Cool” in warmer months) and that the temperature is set higher or lower than the ambient temperature, depending on the season.

Reset Your System

Turning off your HVAC system for a few minutes can sometimes resolve minor control board or sensor glitches. If the issue persists, call a professional.

When to Contact an HVAC Company

If your system continues to cycle frequently or won’t turn on at all despite DIY attempts, it’s time to reach out for professional help. Addressing these issues promptly can prevent costly breakdowns and keep your home comfortable.

System Is Old or Inefficient

Aging equipment (10–15 years) may be more prone to short cycling and startup failures. A professional can determine whether repairs or a system replacement is more cost-effective.

Strange Noises or Smells

Banging, squealing, or burning odors may indicate mechanical or electrical issues. Ignoring these symptoms can lead to safety hazards or further damage.

Repeated Tripped Breakers or Pilot Outages

If your breaker or pilot light keeps failing, a deeper electrical or gas supply issue may be at play. Professional diagnostics are crucial to ensure safe operation.

Persistent Refrigerant or Gas Leaks

Any suspected refrigerant or gas leak warrants immediate attention. A certified HVAC technician can locate and repair leaks to protect your household and system.

Check out our recent projects to see how we’ve resolved similar HVAC issues for Orlando homeowners. If you’re ready for expert assistance, contact us today for reliable service you can trust.