J & E Royalty Heating & Air Conditioning | Emergency HVAC Services in Sterling Heights, MI

Furnace ignition failure is a common winter issue here, often caused by a dirty flame sensor, a faulty igniter, or issues with the gas valve. The cold temperatures and increased system demand can expose these weak points. Our technicians perform a thorough diagnostic to pinpoint the exact cause and provide a lasting repair to get your heat reliably running again.

Frozen coils or pipes are typically caused by restricted airflow (from a dirty filter or blocked vents) or low refrigerant levels. In our climate, this can happen in both summer and winter. We recommend regular maintenance, including filter changes and coil cleaning, which we provide. If your system is frozen, turn it off and call us—we'll diagnose the root cause and fix it to prevent further damage.

We strongly recommend bi-annual maintenance—once in the fall for your heating system and once in the spring for your cooling system. Our comprehensive check-up includes cleaning critical components, testing safety controls, checking refrigerant levels, and ensuring proper ignition sequence. This proactive service is the best way to catch small issues before they turn into major repairs, like winter ignition failures or summer freeze-ups.