Any Furnace, Any Time

Call Limcan Certified for Any Furnace Repair Needs

book service

Furnace Repair for Whitby, Oshawa, & Area

Certifiably Different

We service all furnace makes and models whenever you need it. Don’t get stuck on a cold winter’s night – it’s always the right time to call Limcan – with no additional service charges for after hours or holiday calls.

All of our technicians are continuously trained and Right Time™ certified so you know you’re getting the best advice.

At Limcan Certified, we have been serving Whitby and area since 1964. That’s over 50 years of residential knowledge and experience with local families and their homes.

Did you know we have A+ accreditation with our local BBB, and we’re retail partners with ENERGY STAR® ? Not to mention, we also have a 4.9-star rating on Google.


Your Heating & Cooling Experts

Limcan Certified Heating & Air Conditioning is your dependable source for home temperature and air quality services. Whether you need a simple duct cleaning or want to install a brand new furnace, we will ensure that your needs are met to the very best of our ability. Limcan Certified knows Whitby & area homes. We will not only help you to find the appliances to meet your solutions, but also ensure that the results exceed your expectations. We guarantee it.

Frequently Asked Questions

Our expert technicians are here to help you make the best decisions for your home. We offer free in-home assessments without any pressure to buy a new furnace. At your in-home assessment, we’ll explain the benefits and cost of a furnace repair or replacement so you can choose what’s best for you.

We can usually be at your home within 4 hours of you contacting us. If you need same-day service or an appointment to fit your busy schedule, we can be there whenever works best for you. We don’t charge an extra fee for urgent or emergency repairs, so you can rely on us for all your furnace repair needs.

We never charge extra fees for emergency repairs. We’re open 24/7/365 because furnace repairs don’t always happen on weekdays and we pride ourselves on being there when you need us. Whenever you call we’ll be there as soon as possible without a surcharge for emergency, holiday, or weekend furnace repairs.

Regular furnace maintenance is the best way to prevent small repairs from becoming big problems for your furnace. We recommend that you have your furnace looked at annually by our expert technicians. They all go through extensive training and are Right Time™ certified to catch any potential issues with your furnace.

Limcan Certified Heating & Air Conditioning Runs On Integrity

For up to 2 years from the day we install your heating or cooling unit, we will repair, replace, or refund anything necessary until you are completely happy with your new system. That’s our guarantee to you.

Why Choose Us?


No Loopholes™

We won’t settle for less, so we wouldn’t expect you to. If within 2 years of the date of installation, you are not entirely satisfied with your home comfort system or service, we will do everything we can including removing the system and returning your investment. No Loopholes™ – guaranteed.


No Hassle™

If your system breaks down and you are left without temperature control within the first 2 years of installment, we will fix it within 24 hours of the time you call or give you $1000 for the inconvenience.  No Hassle™ –  guaranteed.


Just Right™

We guarantee not only that the system we install will control the temperature of your home precisely for a full 5 years, but we also guarantee no temperature variance of over 2 degrees Celsius at the thermostat. If the system fails to meet this expectation, we will fix it; up to and including replacing the entire system, free of charge. Just Right™ – guaranteed.


We Respect You™

Our technicians aren’t just HVAC experts, they’re the best in the business when it comes to customer service. We don’t take the trust our customers invest in us lightly. We guarantee that while our workers are at your home, they will respect your time, and protect your property from any possible damage, while leaving their work area just as neat as they found it. If they should fail to meet this standard, you’ll receive our full 5-year System Check-Up Package. We Respect You™ – guaranteed.

Service When You Need It.
Call Us for 24-Hour Service.



Book Online

Keeping Your Home Just Right Since 1964

Limcan Certified Heating & Air Conditioning has been working with local families for over 55 years.

30, 000
Furnaces Installed
8, 000
Homes Serviced
Star Rating
On Google Reviews

Guaranteed Comfort

We aren’t satisfied with your installation, until you are – guaranteed.

Credit Where It’s Due

We have an A+ rating from the Better Business Bureau and a 4.9-star rating with Google.

Always Local

Limcan Certified is locally owned and operated. We take pride in our community.

Reliable Service

Our technicians are ready to help, no matter the time, and never at an unexpected price.

Technological Expertise

All of our technicians are Right Time™ certified and continually trained.

Real Experience

Whitby & area has been Limcan Certified since 1964 – that’s over 55 years of local expertise.

24/7 365 SERVICE

Contact Us

phone arrow-circle-o-left arrow-circle-o-right arrow-right-circle facebook instagram twitter youtube