Maintenance services for your heating and cooling systems

What our maintenance and repair services include

Complete preventive maintenance

Fast diagnosis and repair

Safety inspection

Honest advice on lifespan and possible options

Thanks to our planned and preventative maintenance, you avoid unpleasant surprises — while maintaining optimal comfort, season after season.

HVAC systems we service

Furnace

Boilers

Heat pumps

Air conditioning

Fireplace

Radiant heating

Air exchangers

Reliable service for all makes and models

Whether it's for a tune-up, an abnormal noise or a complete breakdown, our qualified technicians are here to help you.

We offer professional repair and maintenance service for most HVAC systems, regardless of make, model or year of installation.

Frequently Asked Questions About HVAC System Maintenance and Repair

What does HVAC system maintenance and repair include?

It includes inspections, diagnostics, and repairs for heating, air conditioning, and ventilation systems to ensure safe and proper operation.

What types of HVAC systems can be maintained or repaired?

Services apply to furnaces, boilers, heat pumps, air conditioners, air exchangers, fireplaces, and radiant floor heating systems.

Is maintenance available if the system was not installed by Fernand Denis?

Yes. Maintenance and repair services are available even if the equipment was not installed by the company.

Is preventive maintenance included?

Yes. Preventive maintenance services and programs are available.

What signs indicate that repair may be needed?

Reduced performance, unusual noises, irregular operation, or a system that fails to start.

Are oil heating systems serviced?

No. Oil heating systems are not included in the services offered.

Can services be booked online?

Yes. Maintenance, repair services, and maintenance programs can be booked online.

Can I get advice before choosing a service?

Yes. The team can help you choose the service best suited to your HVAC system.