How do I know if I need a new air conditioner?

If your current system is over 10–15 years old, requires frequent repairs, or struggles to cool your home effectively, it may be time to consider a replacement. Rising energy bills are also a common sign your system is losing efficiency.

How long does AC installation take?

Most standard air conditioning installations can be completed in one day. More complex installations, such as ductless systems or larger homes, may take longer depending on the setup.

What size air conditioner do I need?

The right size depends on factors like your home’s square footage, insulation, layout, and more. A professional assessment ensures your system is properly sized for optimal performance and efficiency.

What are the benefits of upgrading to a high-efficiency AC system?

High-efficiency systems use less energy, reduce monthly utility costs, and provide better overall performance. They also tend to run quieter and place less strain on components, helping extend the lifespan of your system.

AC Installation

Professional Installation for Reliable, Efficient Air Conditioning

Stay cool and comfortable with expert air conditioning installation designed for efficiency, performance, and long-term savings. Whether you’re replacing an outdated system or installing AC for the first time, we help you choose the right solution for your home and ensure a seamless, stress-free installation.

About McMillan

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Areas we Service

Years of Service

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Our story

Providing Local HVAC Services Since 1959.

McMillan Refrigeration has proudly served the Peterborough community for all HVAC services, including repairs, installations, & maintenance for over 60 years.

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Dedicated Local Service

We're located at 655 Erskine Ave, right off the Queensway.

Lifetime of Knowledge

McMillan has been operating since 1959!

Proudly Canadian Owned

We're a proudly Canadian-owned & operated business

Upgrade to an Air Conditioning System That Works for You

If your current system can’t keep up with the heat, runs inefficiently, or breaks down frequently, it may be time for a new air conditioner. An improperly sized or aging system can lead to uneven cooling, rising energy bills, and constant frustration. Our professional AC installation services ensure you get a properly sized, energy-efficient system that delivers consistent comfort and reliable performance.

The Benefits of Professional AC Installation

Installing a new air conditioning system is an investment in your home’s comfort and efficiency. With expert installation, you’ll enjoy improved cooling performance, lower energy costs, and a system built to last. We take the guesswork out of the process, ensuring your new AC unit is perfectly matched to your home and installed to the highest standards.

Consistent, even cooling throughout your home

Improved energy efficiency and lower utility bills

Quiet, reliable operation

Long-term performance and durability

AC Installation

Services

AC Installation

Central Air Conditioning Systems

Central air conditioning systems are the most common solution for whole-home cooling. Designed to work with your existing ductwork, these systems provide consistent temperature control throughout every room. Ideal for larger homes, central AC systems offer powerful performance, reliable cooling, and seamless integration with your heating system.

Ductless Mini-Split Systems

Ductless mini-split systems are a flexible, energy-efficient option for homes without ductwork or for targeted cooling in specific areas. These systems allow for zoned temperature control, making them perfect for additions, renovations, or rooms that are difficult to keep cool. Enjoy quiet operation and customizable comfort with a ductless solution.

High-Efficiency Air Conditioning Systems

High-efficiency air conditioners are designed to maximize cooling while minimizing energy consumption. With advanced technology and higher SEER ratings, these systems can significantly reduce your monthly energy costs. They’re an excellent choice for homeowners looking to improve efficiency, reduce environmental impact, and enjoy long-term savings.

Commercial Air Conditioning Systems

Commercial air conditioning systems are built to handle larger spaces and higher cooling demands. From retail environments to office spaces, these systems provide reliable, consistent cooling to keep your business comfortable. We offer tailored solutions designed to meet the unique needs of your commercial property.

Why Choose McMillan Refrigeration?

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Customer Satisfaction

We care about your home & won’t leave until everything is working perfectly.

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Transparent Pricing

We believe in honesty, every service comes with an upfront quote.

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Insured Professionals

Our Technicians are industry elites with years of experience.

Locally Owned Business

We're a 100% locally owned Canadian business.

Our Service Process

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Schedule Your Service

Call us or book online at your convenience. Our team is available after hours for emergencies and same-day repairs.

Get a Clear Estimate

Our technician will inspect the issue, explain the solution, and provide an upfront quote with no hidden charges.

Professional Repair & Peace of Mind

We complete the job efficiently and ensure everything works perfectly before leaving your home.

100% Satisfaction Guarantee

Our work is backed by a 100% satisfaction guarantee; we're not happy until you're happy.

Get Expert Air Conditioning Installation Today

Don’t wait until the heat becomes unbearable. Upgrade your comfort with a professionally installed air conditioning system designed for your home and budget. Contact our team today to schedule your consultation and get started with a reliable, energy-efficient cooling solution.

Request a Service

Enquire now

Frequently Asked Questions

Common Questions About

AC Installation

Need HVAC Services For Your Home or Business?

Contact us today to schedule your HVAC or refrigeration service with the experts at McMillan - Peterborough's trusted HVAC company since 1959.

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705-742-5628

Monday - Friday
9 AM - 5:30 PM

mcmillansrefrigeration@gmail.com

Have a project in mind? Send a message.