Square Footage	Furnace BTU
1,000-1,200 sq. ft. Home	40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home	60,000 BTU
1,500-1,800 sq. ft. Home	60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home	80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home	100,000 to 120,000 BTU

Company FAQ’s

We have answers to your FAQ about purchasing a furnace here at furnaceprices.com

Having furnace issues? This guide answers common furnace questions, including signs it needs replacement, rising energy bills, and unusual noises.

Common Questions About Furnace Problems & Replacement –
Furnace FAQs

Are Rising Repair Costs a Sign You Need a New Furnace?

Yes, consistently rising repair and maintenance costs are one of the clearest signs that your furnace may be on its last legs. If you’re frequently calling technicians for breakdowns or spending hundreds on fixes, your system may be working inefficiently — and those costs can quickly add up. In many cases, if repairs start costing more than 50% of the price of a new unit, it’s smarter and more cost-effective to invest in a modern, energy-efficient furnace. A new furnace can help lower future maintenance bills and keep your space comfortable all season long. Top Furnace Brands for Your Home

Is Your Furnace Failing to Keep Your Home Comfortable?

Another key sign it’s time to consider replacing your furnace is when it struggles to keep your home comfortable and warm. If you’re noticing some rooms are freezing while others are too warm, or your furnace runs constantly yet still fails to bring your space up to a comfortable temperature, it’s a clear indicator something’s amiss.

This inconsistency can sometimes be due to issues with your ductwork, poor insulation, or a furnace that’s simply losing its ability to generate enough heat. However, if your furnace is getting old and struggling to keep up, replacement may be the best solution. Modern furnaces are designed to be more efficient and powerful, allowing them to warm your entire home evenly and effectively.

Rising Energy Bills — When Should I Replace My Furnace?

If you notice a sudden increase in your energy bills, your furnace might be the culprit. An aging or malfunctioning furnace has to work harder to keep your home warm, consuming more energy in the process and causing your utility bills to soar. High energy bills from your furnace can be a clear sign that it’s losing efficiency or nearing the end of its lifespan.
This rise in energy usage may be due to outdated technology, inefficiency, or components starting to fail, which all affect your furnace’s ability to perform. You can check this by looking at your furnace’s Annual Fuel Utilization Efficiency (AFUE) rating — a lower AFUE means it’s converting less of its fuel into useful heat.
If your current furnace has a low AFUE and you’re experiencing high energy bills, it’s worth considering replacement over repair. A new, energy-efficient furnace can help cut your utility costs and keep your home comfortable for years to come.

Age of the Furnace — Is It Time for Repair or Replacement?

The age of your furnace is a key factor to consider when deciding whether you should opt for furnace repair vs replacement. Most furnaces have a lifespan of about 15 to 20 years, depending on factors like maintenance practices, the type of furnace, and usage patterns. If your furnace is approaching or has exceeded this age range, the risk of failure increases, along with the likelihood of costly repairs.
Moreover, as furnaces age, they tend to lose efficiency, which can lead to high energy bills and uneven heating. If your furnace is nearing the end of its expected lifespan and you’re experiencing issues — whether it’s making strange noises, struggling to keep up, or causing your energy bills to rise — it might be time to consider a replacement.

Are Unusual Sounds or Smells Coming from Your Furnace?

Your furnace typically runs quietly, so if you start hearing strange noises — like loud banging, rattling, or whining — it’s a clear sign something may be going wrong. If you’re wondering “why is my furnace making noise?”, these sounds often indicate loose or broken components that need attention immediately. They can be a sign of significant wear and a hint that your furnace may be nearing the end of its lifespan.
Similarly, if you notice unusual smells — whether it’s a burning odor, a gassy smell, or something akin to rotten eggs — you shouldn’t ignore them. A burning smell can point to dust buildup, worn-out parts, or faulty electrical components. A gassy smell may be a sign of a leak, which is a serious safety hazard and should be addressed immediately.
If these issues continue or become more frequent, or you start seeing high energy bills due to your furnace’s inefficiency, it may be time to consider a replacement. Persistent problems and high energy bills from your furnace are often a clear indicator it’s nearing the end of its service life and should be replaced to keep your home comfortable and safe.

Is Frequent Cycling Raising Your Energy Bill?

When a furnace constantly cycles on and off, it’s called short cycling — and it’s more than just a nuisance. Short cycling not only puts unnecessary stress on your system but can also lead to high energy bills and higher energy consumption. It wastes energy and shortens the lifespan of your furnace, adding to furnace causes for high energy bills.
If you notice your furnace frequently turning on and off without adequately warming your home, it may be a sign of a significant issue with the thermostat, the size of your furnace, or the furnace itself. To get to the root of the problem, it’s best to seek professional help. The most effective solution may be to replace your furnace — especially if your older model is struggling to maintain a comfortable climate in your home — and avoid further energy waste and discomfort.

What Does a Yellow Flame in Your Furnace Mean?

Your furnace should always produce a steady blue flame, which signals complete and efficient combustion. If you see a yellow or flickering flame instead, it could be a warning sign of serious issues like carbon monoxide presence—a dangerous and potentially deadly gas. A yellow flame often points to dirty burners, clogged vents, or improper airflow, all of which mean your furnace isn’t running safely or efficiently.
This isn’t something to take lightly. Carbon monoxide leaks are a major safety hazard for your home and family. If you notice this, contact a professional HVAC technician immediately for a thorough furnace inspection. In some cases, if the problem stems from your furnace itself and can’t be safely fixed, replacing your furnace might be the best way to protect your household and ensure safe, efficient heating.

Is High Humidity a Sign Your Furnace Is Struggling?

An efficient furnace plays a key role in controlling your home’s indoor humidity and keeping it comfortable. If you find that your home feels excessively humid, even while your furnace is running, it may be a sign it’s operating ineffectively. A malfunctioning furnace can disrupt the balance of heating and airflow, leading to unwanted dampness and discomfort. High humidity levels can also contribute to mold growth, putting your health at risk and affecting your indoor air quality.
If the humidity in your home stays consistently high despite your furnace’s regular use, it may be a clear indicator that the appliance is struggling to do its job. Upgrading to a new, energy-efficient furnace can help improve your indoor air quality while delivering optimized heating and humidity control, keeping your home comfortable all year round.

Unexplained Health Issues — Could Your Furnace Be the Culprit?

A poorly functioning furnace can directly affect your home’s indoor air quality, which may lead to health issues for you and your family. If you or your household members are experiencing unexplained allergies, respiratory issues, or other health problems, it may be time to check whether your heating system is to blame.
Over time, dust, allergens, and other pollutants can build up in an outdated furnace and get circulated through your home’s airflow, reducing air quality and putting your health at risk. Investing in a new, energy-efficient furnace can help improve indoor air quality, reduce health risks associated with poor ventilation, and create a cleaner, more comfortable living environment for everyone in your home.

Frequent Thermostat Adjustments

If you’re constantly making frequent thermostat adjustments to keep your home comfortable, it’s a clear sign that something may be amiss with your furnace. An efficient furnace should maintain a steady, comfortable temperature without you having to repeatedly turn up or down the thermostat. If you find yourself continually dialing it up just to stay warm, it could be a strong indicator that your furnace’s heating capabilities are starting to fail.
Upgrading to a new furnace with advanced smart thermostat technology can be a game-changer for both your comfort and energy savings in the long run. Smart thermostats learn your schedule, adjust temperatures automatically, and help cut down on energy usage — all while keeping your home cozy and comfortable.

Single-Stage vs. Two-Stage vs. Variable-Speed Heating Explained

When choosing a new heating system, understanding the differences between a Single-Stage Furnace, a Two-Stage Furnace, and a Variable-Speed Furnace can help you find the perfect match for your home’s needs.
Single-Stage Furnaces:
These furnaces operate at maximum output when the thermostat calls for heat. They provide consistent warming, but they may not be as energy-efficient in the long run, since this “all-or-none” approach can lead to temperature fluctuations and energy waste in your home.
Two-Stage Furnaces:
These models come with two settings: a low setting and a high setting. The low setting is designed for milder days, delivering energy-efficient operation and a more consistent temperature. Then, when colder temperatures move in, the furnace can switch to its high setting for maximum output and cozy warmth.
Variable-Speed Furnaces:
These advanced systems can adjust their heating output continuously based on your thermostat’s signals. This ability to modulate their performance means they operate quietly, efficiently, and more effectively — maintaining a steady temperature and a comfortable home climate without large fluctuations.

Is Your Furnace Trying to Tell You Something?

Recognizing the signs that your furnace needs to be replaced can save you from unexpected breakdowns and costly repairs during the colder months. If you find that you are spending increasingly on repairs, your furnace isn’t keeping your home warm, energy bills are rising, or if you hear strange sounds or smell unpleasant odors, it may be time to consider a replacement.

Additionally, if your furnace is nearing the end of its lifespan (typically 15-20 years), is experiencing frequent cycling, is contributing to high humidity levels, or is affecting the health of your household, these are signals that warrant serious consideration.

When faced with any of these issues, it’s best to consult with a qualified HVAC professional. They can provide a thorough assessment and help you make an informed decision regarding furnace replacement. Making this investment not only enhances your home comfort but also improves energy efficiency, lowers your utility bills, and ensures a safe and healthy living environment for you and your family.

At Canadian Heating and Air Conditioning Inc., we specialize in helping homeowners find the right HVAC solutions to meet their needs. If you suspect that it’s time to replace your furnace, visit us at www.canadianheatingandair.ca for expert guidance and quality service. Your comfort is our priority!