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McMillan Refrigeration is a Canadian-owned HVAC company serving Oshawa with trusted heating and cooling services. With decades of experience, we deliver efficient solutions, honest recommendations, and dependable workmanship designed for Ontario’s climate. Our focus is long-term comfort, system performance, and customer satisfaction.
We prioritize your comfort and satisfaction, ensuring every job is completed to the highest standard.
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We use modern HVAC technologies and smart solutions to improve efficiency and long-term performance.
Our experienced technicians deliver dependable, high-quality workmanship on every installation, repair, and maintenance service.
We provide clear, upfront pricing with honest recommendations — no hidden fees or surprises.
Keep your heating and cooling system running efficiently with routine HVAC maintenance. Our inspections and tune-ups help reduce breakdowns, improve performance, and extend the lifespan of your equipment.
Restore comfort quickly with fast, reliable emergency HVAC services when your system fails unexpectedly. Our team responds promptly to resolve urgent issues and get your system running safely again.
McMillan Refrigeration has proudly served communities like Oshawa for decades. As a Canadian-owned HVAC company, we deliver reliable heating and cooling services backed by experience, professionalism, and a strong commitment to customer satisfaction.
Our reputation is built on consistent, high-quality HVAC service. We provide honest recommendations and dependable solutions homeowners and businesses can rely on.
We deliver heating and cooling solutions designed for efficiency and performance, helping you stay comfortable while managing energy costs throughout the year.
Homeowner
McMillan's Refrigeration & Air Conditioning is simply the Best for Refrigeration & Air Conditioning, Sales, and repairs! Enjoy your Rest, Just Call The Best!
5.0
Trusted HVAC Services in Peterborough
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We provide complete HVAC services including installation, repair, maintenance, and emergency services. Our team works with residential and commercial systems to ensure reliable comfort year-round.
HVAC systems should be serviced twice per year — once before the cooling season and once before the heating season — to maintain efficiency and prevent unexpected breakdowns.
Common signs include weak airflow, uneven temperatures, unusual noises, and rising energy bills. Addressing these issues early helps prevent more costly repairs.
Yes, we install high-efficiency heating and cooling systems designed to reduce energy consumption and improve comfort. We help you choose the best system for your needs and budget.
Need HVAC installation, repair, or maintenance? Contact our team today to schedule service and experience reliable heating and cooling solutions designed for comfort, efficiency, and long-term performance.
Have a project in mind? Send a message.
Monday - Friday
9 AM - 5:30 PM
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