CoolAir AC specialises in all HVAC services in Hamilton and the wider Waikato regions.

We offer heating and air conditioning installations.

From your small jobs like a heat pump service and ventilation filter changes to complex installs, we cover it all.

Coolair AC and Home Ventilation Servicing is ready to fulfill your contracting needs. Whether you’re looking for a few helpful tips or need an experienced professional to fully manage a project — we’ve got the tools and experience to guarantee success. Browse through our services below, and get in touch for an estimate today.

Servicing and Maintenance

Maintaining your equipment to a clean and safe standard.

A full and comprehensive strip and clean of your unit, a safety check on your system electrics and wiring and finished with a performance report and professional advice on how best to run your equipment for efficiency and comfort.



Professionally designed and installed by our qualified Refrigeration and Air Conditioning Engineer.

Rest assured that when you request us to provide a free design and quote package that you are in the best of hands. Patrick has the skills needed to supply you with the best of service from conception of idea to completion of project.


Home Ventilation Servicing

Maintaining clean air and ventilation in your home for you and your family.

We can supply and installation of replacement filters for common Home Ventilation Systems including but not limited to HRV, SMARTVENT, DVS, SAYR, MOISTURE MASTER and AMS. Also includes the resetting of the control timer ad testing of ducting, fans and air flow.



“I highly recommend Coolair. Professional helpful and friendly doesn’t overcharge.
Cheers Pat, see you on the next service.”

“Extremely happy with the filter change and service of our heat pump and HRV. Thorough, friendly, prompt and charged a really reasonable rate. Would absolutely recommend him to others!”

“Pat was amazing. Helped us out with a service and fault in our heatpump and did his utmost to ensure we had the most economic solution. To be honest he should charge more his service is above and beyond.”

“Awesome friendly service and a brilliant job done servicing our air conditioning unit and very quick HRV filter replacement.”