HVAC Maintenance Services

24/7 emergency service when you need it the most.

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Immediate response for your AC emergencies

Prevent costly breakdowns and keep your home comfortable with professional AC maintenance services from MARZ Heating & Cooling.

Serving Niagara, St. Catharines, and the surrounding region, our certified technicians provide thorough inspections and tune-ups that extend the life of your system, improve energy efficiency, and ensure reliable cooling all summer long.

With preventive care, your AC unit runs smoothly, saving you money on repairs and energy bills while delivering consistent comfort.

Why choose our emergency services?

  • Improved energy efficiency: Clean filters, refrigerant checks, and system tune-ups lower energy use and reduce monthly bills.
  • leaner indoor air: Removing dust, allergens, and debris improves air quality for a healthier home.
  • Extended system lifespan: Addressing small issues early prevents wear and extends the life of your AC unit.
  • Consistent comfort: Balanced airflow and calibrated thermostats ensure even cooling throughout your home.

Other services

Frequently asked questions

How often should I schedule preventive maintenance for my AC

It’s recommended to schedule AC maintenance at least once a year, ideally before the summer season begins. Regular maintenance helps ensure that your system is prepared to handle the summer heat and operate efficiently.
If you have an older system or use your AC heavily, you may benefit from twice-yearly checkups to prevent wear and tear.

What happens during an AC maintenance visit?

During an AC maintenance visit, technicians inspect and tune up your system by cleaning or replacing air filters, checking and adjusting refrigerant levels, tightening electrical connections, lubricating moving parts, cleaning coils and the condensate drain, and testing the thermostat.

This helps identify potential issues early and ensures optimal efficiency.

Will regular maintenance lower my energy bills?

Yes, preventive maintenance helps improve your system’s efficiency, which can lead to lower energy consumption. A clean and well-maintained system doesn’t have to work as hard to cool your home, which reduces strain and energy use.

Even small improvements in efficiency can lead to noticeable savings on your utility bills over time.

How does maintenance improve my AC’s lifespan?

Over time, dust, debris, and normal wear can cause your AC components to deteriorate. Preventive maintenance helps reduce this damage by cleaning the system, replacing worn parts, and ensuring everything is operating correctly.

Addressing minor issues before they become major problems reduces stress on the system and extends its lifespan.

How much does AC installation cost?

Signs your AC needs maintenance include weak airflow, uneven cooling, rising energy bills, unusual noises, unpleasant odours, or frequent short cycling. These issues suggest the system is overworking or components are failing.

Regular maintenance helps catch and fix problems early, avoiding costly repairs.

Reach out today for free!

Connect with our expert team to discuss your AC needs and explore the best solutions tailored to you.

+1 (437) 268-6556