Rooftop Air Conditioning Repair

Optimal Air is your Toronto commercial rooftop air conditioning repair service provider.

Optimal Air Solutions is your complete service provider for rooftop air conditioning repair in Toronto. We service and install all models of commercial rooftop air conditioning equipment throughout the Toronto area. 24 hour emergency service is available should you have an unexpected breakdown and when you call after hours you talk directly to a technician, not an answering service, so that you get the service you need right away.We also offer complete maintenance agreements for all your commercial rooftop air conditioning equipment in the Toronto area. We believe in preventing breakdowns through proactive maintenance. A customized maintenance agreement for each individual customer ensures continued system performance. Contact us for a quote.

We service and repair, maintain & install all major brands such as York, Lennox, Carrier, Trane, Mitsubishi, Fujitsu, Liebert, & Engineered Air.

What we work on

  • Walk-in refrigerators
  • Walk-in freezers
  • Cooling Towers
  • Rooftop Units
  • Unit heaters
  • Radiant heaters
  • Heat pumps
  • Exhausters
  • Make-up air units
  • Server room air conditioners

Some service you may need

  • High or low pressure troubleshooting
  • Contactor or capacitor replacement
  • Heat exchanger replacement
  • Control board replacement
  • Rooftop unit replacement
  • Defrosting and troubleshooting frozen coils
  • Adjusting or replacing defrost controls
  • Compressor repair or replacement
  • Clearing frozen or clogged drain lines
  • Filter & belt replacement


We are your greater Toronto area commerical HVAC/R contractor. We proudly provide service in the following areas:
• Toronto • Scarborough • Markham • Richmond Hill • Thornhill • Vaughan • Concord • Mississauga • Brampton • Oakville • Newmarket • Aurora • Stouffville • East Gwillimbury • Pickering • Ajax • Whitby • Oshawa • King • Nobleton • Bradford • Barrie • Innisfil • Midland • Tiny • Caledon • Burlington • Milton • Guelph • Hamilton • Waterloo • Cambridge • Kitchener • Orangeville • Uxbridge