Clicking noises during unit operation may signal a loose fan or faulty relay switch; inspect the fan for wear and tear, or check the relay for proper functionality if the noise persists.

In case of a natural gas leak, leave the house immediately, open windows for ventilation, call emergency services or the utility company from a safe location outside, and await professional assistance to shut off the gas supply and repair the leak.

Here are a few things to consider during the search for a dependable HVAC company.