top of page

In Need of Quality Cooling and Heating Systems?

McMillan Refrigeration, Heating & Air Conditionning is your choice for cooling and heating solutions in Peterborough

sun icon

Mcmillan Refgn Sale Services Lmt provides a wide range of reliable heating systems

Mcmillan Refgn Sale Services Lmt offers efficient cooling options in Peterborough

snow icon

Mcmillan Refgn Sale Services Lmt provides you with high-quality humidifiers in Peterborough

Enhance Your Indoor Air Quality

fan icon

Mcmillan Refgn Sale Services Lmt offers you reliable water heater repair and replacement

water drops icon

Quality Cooling and Heating Services in Peterborough

McMillan Refrigeration, Heating & Air Conditioning, provides the ultimate in air conditioning, heating efficiency and comfort for residents throughout Peterborough.


We have been selling and servicing residential heating, cooling and refrigeration systems for over 60 years! Our goal is to provide quality cooling and heating services, maintenance and repair to most makes and models during any season. McMillan Refrigeration, Heating & Air Conditioning helps customers find the right solution for cost effective, efficient and reliable heating and cooling systems.


Custom Home Comfort Solution

We will customize options to include models that use less electricity when compared to standard ones. We provide models with variable speed blowers that feature motors for quieter operation, better humidity and regulate temperature throughout your home.


Let us help custom-design a system specifically tailored for you and your heating and air conditioning needs. Contact us today!

We Offer











24 Hour


In Need of efficient System Controls in Peterborough?

We offer a selected range of efficient system controls that facilitate your home temperature management

Our Commitment

Serving Peterborough and the surrounding areas since 1959, McMillan Refrigeration, Heating & Air Conditioning has become a name you can trust when it comes to ultimate indoor air quality.

Customers rely on our experienced and knowledgeable professionals to provide exceptional, timely service at competitive rates.

Locally owned by Steve Sheppard of McMillan Refrigeration, Heating & Air Conditioning, we are committed to providing the highest quality of service and products all backed with a 10-year parts and labour guarantee (with an option to extend to 20-years), setting us apart from competitors. 

Our technicians are trained with the most up-to-date information and technology to ensure our work meets or exceeds industry standards. We have built a solid reputation upon superior customer service and the ability to finish the job on time, on budget and always done right the first time!

Installing Air Conditioner

The Heating, Refrigeration and Air Conditioning Institute of Canada

The Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) is a national association that represents more than 1,300 heating, ventilation, air conditioning and refrigeration (HVACR) manufacturers, wholesalers and contractors, which provides Canadians with the tools and information necessary to ensure total indoor environment comfort.


HRAI offers leadership and training programs for the advancement of its members’ businesses and technical excellence, promotes a code of ethics for consumer protection and safety, and provides consumers with useful information and a database of members in good standing to support an informed buying process. Through its membership requirements and consumer feedback processes, HRAI is committed to a safe, responsible and fair industry that is environmentally-responsible and sustainable.


Professional Affiliations 

coleman logo
carrier logo
energy sdtar logo
hrai logo
coleman products

In Search of Coleman Cooling and Heating Products?

carrier products

Looking for Carrier Cooling and Heating Options?

bottom of page