Frequently Asked Questions

Most HVAC systems benefit from preventative maintenance twice a year—once before heating season and once before cooling season. Regular service helps extend equipment life, improve efficiency, and catch small issues before they become costly repairs. At MAC Services, scheduled maintenance includes cleaning coils, checking refrigerant levels, and testing safety controls to keep your system running reliably year-round.

A commercial refrigeration maintenance visit typically includes checking temperature consistency, inspecting compressor performance, cleaning condenser coils, and verifying proper refrigerant charge. These steps help protect your inventory and reduce unexpected breakdowns. At MAC Services, we focus on keeping your refrigeration systems reliable so your business operations aren't interrupted.

Safety control checks ensure your furnace shuts down properly if it detects dangerous conditions like gas leaks, overheating, or blocked venting. Regular inspection of these controls protects your family and prevents carbon monoxide risks. MAC Services includes safety control testing as part of every heating system maintenance visit to give South Bend homeowners peace of mind.

Indoor and outdoor coils collect dust, pollen, pet dander, and outdoor debris over time, which reduces airflow and cooling efficiency. Dirty coils force your system to work harder and can lead to higher energy bills or breakdowns. At MAC Services, we clean both coils during preventative maintenance to restore performance and extend your system's lifespan.

Yes, routine plumbing inspections catch early signs of leaks, corrosion, slow drains, and water pressure issues before they become emergencies. Preventative care helps protect your home from water damage and costly after-hours calls. MAC Services offers scheduled plumbing maintenance for South Bend homeowners who want to avoid unexpected surprises and extend the life of their systems.

Proper refrigerant charge ensures your air conditioner cools efficiently without overworking the compressor. Low refrigerant can cause poor cooling, higher energy use, and expensive compressor damage. At MAC Services, we check pressures and refrigerant levels during every cooling season tune-up to keep your system running smoothly and affordably.

Northern Indiana's cold winters and humid summers put extra strain on commercial HVAC systems, requiring reliable heating and consistent cooling performance. Seasonal maintenance helps systems handle temperature swings and prevents breakdowns during peak demand. MAC Services tailors commercial HVAC service to South Bend's climate, focusing on uptime and long-term reliability for local businesses.

Gas leak checks include inspecting gas valve operation, testing connections, verifying proper gas pressures, and ensuring safe combustion air flow. These steps prevent dangerous leaks and ensure your furnace burns fuel safely and efficiently. At MAC Services, gas safety is a standard part of every heating system tune-up we perform for South Bend area homes.

Yes, MAC Services offers priority scheduling to customers enrolled in preventative maintenance programs. This means faster service when you need repairs and no overtime charges for emergency calls. Our maintenance members also receive discounts on hourly rates and repair work, making it easier to keep plumbing, HVAC, and refrigeration systems in top condition.

Many businesses wait until a plumbing problem causes downtime or water damage before calling for service. Preventative maintenance catches slow leaks, drainage issues, and worn fixtures early, avoiding costly disruptions. At MAC Services, we help South Bend businesses protect operations with scheduled plumbing inspections tailored to commercial facilities.

Clogged or dirty drain pans can cause water backups, overflow damage, and mold growth inside your HVAC system. Regular cleaning keeps condensation draining properly and protects indoor air quality. MAC Services inspects and cleans drain pans and piping during preventative maintenance visits to prevent water-related issues in South Bend homes.

Humidifier cylinders should be replaced annually to maintain proper moisture output and prevent mineral buildup that reduces performance. A fresh cylinder helps your humidifier work efficiently during dry winter months. At MAC Services, we replace humidifier cylinders as part of our heating season maintenance to keep South Bend homes comfortable and healthy.