Our experienced HVAC specialists in Oshawa and Port Perry look forward to helping you improve your home or business comfort with efficient heating and air conditioning!

577 Ritson Road South, Oshawa, Ontario

Phone: 905-725-9731
Toll Free: 1-866-573-3116
Fax: 905.725.0886

1869 Scugog St. Unit 3 Port Perry, Ontario
Phone: 905-982-6389

Office Hours:

Monday – Friday: 8:00 a.m. – 4:00 p.m.

After-hours calls are received and returned as soon as possible. Please feel free to leave us a message on evenings and weekends.

Terms of Payment:

Cash, cheque or etransfers

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Scheduling an appointment just got easier! Cullen Heating & Air Conditioning now offers ONLINE scheduling for your convenience. Quickly fill out our online form, and we will be diligent in confirming your appointment!