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Buyer's Guide

Happy family with new furnace in Toronto 2023

Find the perfect furnace for your home

Get the inside scoop on everything you need to know when buying a furnace in 2023. From types and efficiency ratings to features, warranties, and maintenance, our guide will help you make smart and informed decisions, save energy, and keep your furnace running smoothly and efficiently all season long.

Furnace repair Vaughan

Furnace Types

Learn more about the three main types of furnaces and find the right one for you.

Choosing the Right Furnace for Your Home

Follow these recommendations to choose the best size furnace for your home to optimize it’s energy efficiency and lifespan.

A larger home requires a larger furnace to heat the space.

A well-insulated home requires a smaller furnace.


Single-paned windows are less energy efficient than double-paned windows


More bedrooms mean more space to heat,


Some furnaces use more energy and need more maintenance.

Tip: A licensed technician should measure the size of your new furnace to avoid issues with humidity and temperature imbalance post install.

What are the Different Heating Systems?

It is important to choose the right type of furnace based on your family's needs, your living space, and your budget.

Furnace repair Vaughan



Furnace Types

Single stage, two stage, and modulating furnaces refer to the different stages of operation that the furnace uses to control the flow of heat in your home. Here’s a brief overview of each type:

Fuel Options

It is important to understand the types of fuel that is available to you before you purchase a new furnace.


Rent or Buy

Learn more about the main differences and whether to rent or buy your air conditioner.

Should you rent or buy?

To make the right decision to buy or rent your heating system, ensure you know what equipment you’re purchasing, total cost of ownership and maintenance requirements.

Buy Furnace

Rent Furnace

Tip: You can be sure you’re choosing an energy efficient air conditioner by first checking whether it’s ENERGY STAR® rated.

Furnace features 2023

Features and Options

High-efficiency furnaces come with energy-efficient features and add-ons for energy-saving and performance.

Choose from advanced features and technology

When it comes to furnaces, there are a variety of features and options that can make a big difference in the comfort and energy efficiency of your home. Some of the most popular and useful options include:

Programmable thermostat 2023

Programmable Thermostat

Set different temperature settings for different times of the day, so you can save energy when you're not home and stay comfortable when you are.

Variable speed furnace motor 2023

Variable Speed

This feature allows the furnace's blower to run at different speeds, depending on the heating demand. This can help to improve the overall efficiency of the furnace, as well as reduce noise levels.

Modulating furnace gas valves:2023

Modulating Gas

This feature allows the furnace to adjust the amount of gas that is used to heat the home, depending on the heating demand. Improves the overall efficiency of the furnace and gas consumption.

UV germicidal lights Furnace 2023

Germicidal Lights

This furnace add-on uses ultraviolet light to kill bacteria, viruses, and other microorganisms in the air. This can help to improve indoor air quality and reduce the risk of respiratory infections.

Electronic air cleaner 2023

Electronic Air Cleaner

This feature uses electronic charges to attract and capture small particles, such as dust, smoke, and pollen. This can help to improve indoor air quality and reduce symptoms of allergies and asthma.

Electronic Furnace ignitor 2023

Electronic Ignitor

This feature uses electronic charges to attract and capture small particles, such as dust, smoke, and pollen. This can help to improve indoor air quality and reduce symptoms of allergies and asthma.

Furnace repair Vaughan


Learn more about the three main types of furnaces and find the right one for you.

Achieve Optimal Performance with Professional Installation

Installing a new furnace is a significant investment. Make sure you get the most out of your new system by choosing a reputable installer who follows these essential steps for proper assessment, expert guidance, and effective consultation

Furnace quote

Proper Assessment

A reputable installer should start by assessing your home's technical aspects and your personal preferences and needs. This includes evaluating the size of your home, the number of rooms, insulation, and ductwork.

Furnace recommendation

Expert Guidance

The installer should provide expert guidance to ensure that you choose the right furnace size and model for your home. An oversized furnace is more costly to operate, while an undersized furnace may fail to provide adequate heating.

furnace consultation

Effective Consultation

The installer should provide you with 1) a flexible selection of the latest technologies, models, and brands that are suitable for your needs and 2) explain the various features and options available, as well as their benefits and limitations.

Preparing for Your Furnace Installation

Installing a new furnace is a big investment and it’s important to be prepared for the process. This section will explain what you can expect from the installation process and how to prepare your home and family for the installation day.

Furnace installation toronto by Airpoint 2023

Prepare the furnace room

Before the installation day, clear out any clutter and debris from the furnace room and any other areas where the technicians will be working. Make sure the room is well lit and easily accessible. It's also a good idea to keep kids and pets away from the work area for their safety.

Protect your home:

The installation process can be messy, so it's important to protect your home from any potential damage. Make sure the technicians wear booties over their shoes to protect your floors and carpets. Additional floor protection, such as drop cloths, may also be necessary.

Expect a thorough clean-up:

After the installation is complete, the technicians will test the new system to ensure proper function. They will also remove and dispose of the old furnace and any other parts, as well as clean up the work area. Expect the process to take around 2 hours.

furnace filter

Air Filters

Learn more about the fundamentals of air filters and how to maintain them to keep your system running efficiently.

The Importance of Furnace Filters

It is recommended that you consider the minimum efficiency reporting value (MERV) of 7 when choosing a furnace filter  for your home, which determines how well the filter will capture airborne particles.

AirPoint technician installing furnace filter

Ventilation & Filtration

A furnace filter acts as a barrier to trap dust, dirt, and other particles from the air that circulate through the HVAC system. This not only improves the indoor air quality but also helps to prolong the lifespan of the furnace itself.

Purification & Circulation

Properly installed and maintained furnace filters can also help to remove allergens, pollutants, and other harmful contaminants from the air. This can help to alleviate symptoms of allergies and other respiratory conditions.

Season Allergies

Regularly replacing your furnace filters can also help to reduce the buildup of allergens in your home, particularly during allergy season. This can help to alleviate symptoms and make your home a healthier place to live.

Tip: Replace your filters at least once a month, if not more often for optimal efficiency.

How To Clean your Furnace Filter

A good furnace filter may help you or someone in your home who frequently suffers from seasonal allergies or airborne allergens. Replace your filters at least once a month, if not more often for optimal efficiency.


Remove loose Debris with a vacuum


Rinse with warm water to remove dust and dirt


Once it has dried, reinstall


Maintenance and Warranty

Learn about the importance of scheduling a maintenance checkup, the different types of warranties available, and how to keep your furnace in tip-top shape while also keeping your warranty valid.

Don't miss your bi-yearly furnace tune-up

Furnace safety & efficiency

Safety and efficiency​

Regular maintenance ensures that your furnace is running safely and efficiently, including checks for potential safety hazards, such as carbon monoxide leaks, and ensuring that the furnace is running at peak performance, consuming the least amount of energy possible.​

Furnace lifespan

Prolong furnace lifespan

Prolong your furnace lifespan by cleaning and adjusting the burners, inspecting and tightening electrical connections, and checking the flue for proper ventilation. By identifying and fixing small problems before they become bigger and more costly issues, regular maintenance can help to extend the life of your furnace.​

Furnace savings 2023

Cost savings

By keeping your furnace running safely and efficiently, you can reduce your energy consumption and lower your utility bills. Identify and fix small problems before they become bigger and more costly issues, regular maintenance can help to extend the life of your furnace, reducing the need for costly repairs or replacements.

Manufacturer's Maintenance Recommendations

Manufacturer Maintenance Recommendations

Keep your furnace running safely and efficiently by following the manufacturer’s guidelines for maintenance, registration, cleaning and record keeping. Maintain warranty coverage with these essential steps.

Homeowner checking furnace 2023

Manufacturer's guidelines

Many furnace manufacturers require their products to be registered and maintained by a licensed contractor in order to keep the warranty valid. It's important to read the manufacturer's recommendations and follow them closely to ensure that your furnace is running properly and to avoid any issues with warranty coverage.

Regular cleaning and inspection

Regular cleaning and inspection of your furnace can help to identify and fix small problems before they become bigger and more costly issues. This can include cleaning and adjusting the burners, inspecting and tightening electrical connections, and checking the flue for proper ventilation.

Keeping a record

Keeping a record of when you last had your furnace serviced, and what was done, can help you stay on top of your maintenance schedule and ensure that your furnace is running safely and efficiently. This can include keeping track of the date of the last service, the type of service performed, and any issues that were identified and addressed.

Understand the terms & conditions of your warranty

Furnace Warranty 2023

Types of Warranty

When purchasing a furnace, it's important to understand the different types of warranties that are available. Different components of the furnace, such as the heat exchanger, or compressor, may have different warranty options. Make sure to research the coverage and limitations of each warranty, as well as the duration of the warranty and how it aligns with your expectations.

Furnace warranty protection

Limited warranty coverage

Most furnace manufacturers provide a limited warranty that covers defects in materials and workmanship for a certain period of time. It's important to find out if the warranty also covers labor costs for repairs or replacements. Additionally, research if the warranty is transferable in case you sell your home before the warranty expires.

Homeowner reading furnace contract

Reading the fine print

It's crucial to read the fine print in the warranty document to fully understand the terms & conditions. Check any exclusions or limitations that may apply to your warranty and learn about any registration or maintenance requirements that must be fulfilled to keep the warranty valid. This will ensure that you are fully aware of your rights and obligations under warranty.

Furnace brands 2023

The Best Furnace for Your Home: Comparing Lennox and Carrier

Compare these leading brands, understand their features and certifications, and make an informed decision on the perfect furnace for your home.

Brand Breakdown: Carrier vs. Lennox Furnaces ​

Let’s dive into the two most well-known and high-end furnace brands out in the market today and how they differ.


Carrier furnace 2023

Carrier is a world leader in heating and cooling solutions, known for their advanced technology, best warranty options, and energy-efficient furnaces.

Top Model:

Infinity 98 Greenspeed

Carrier Infinity 98 Gas Furnace
lennox furnace 2023

Lennox is a leading brand with over 100 years of experience and a history of excellence, providing quality HVAC systems, known for their energy efficiency and quiet operations.

Dave Lennox Signature SLP98V​​ 2023

Top Model:

Dave Lennox Signature SLP98V​

Winner: Carrier Furnaces

Less cost, more reliable and better technology, Carrier currently offers the most advanced furnaces on the market.

Advanced Technology

Carrier’s infinity furnaces feature advanced technology such as modulating gas valves and variable-speed blowers for precise temperature control, making them one of the most advanced and efficient on the market. Long lasting and high-quality parts.

Best Warranty Options

Carrier furnaces come with a 10-year warranty, one of the best in the industry. This means that you can have peace of mind knowing that your furnace is protected for a long time. Additionally, Carrier also offers extended warranty options for added protection.

Energy Efficiency

Carrier’s Infinity series of gas furnaces are energy-efficient, with a high-efficiency rating. This means that they use less energy to heat your home, which can result in lower energy bills and a reduced carbon footprint. Perfect temperatures and reduced energy. 

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Need help choosing your best option?

Get a free consultation to learn more about which furnace is best fit for your home today.