Your furnace works hard to keep your home warm, but it can run into trouble like any system.
From clogged filters to airflow issues, here’s what to watch for and when to call an HVAC professional.
Alfa Services, a trusted HVAC expert in Metro Vancouver, specializes in furnace installation, replacement, maintenance, and repair for clients in Burnaby, Vancouver, and surrounding areas.
If your furnace isn’t operating efficiently, we’re here to help. Our team is ready to diagnose the issue and provide reliable solutions to restore comfort to your home.
Troubleshooting Thermostat Issues
Many furnace problems are tied to thermostat malfunctions—an often-overlooked culprit.
If your furnace isn’t performing well, check for these common thermostat problems:
- Dead Batteries: One of the simplest but most frequent problems is dead batteries. Replace them regularly, using AA batteries for consistent performance.
- Dirt and Debris: Dust and debris can accumulate on your thermostat, leading to inaccurate temperature readings. Clean dust buildup with a soft brush to ensure accurate readings.
- Outdated Device: If your thermostat is several years old, consider upgrading older models to a programmable thermostat for better efficiency.
- Loose Wiring: Wiring issues can lead to significant problems and safety hazards. If you suspect loose or damaged wires, it’s best to consult a certified furnace technician.
- Improper Placement: The location of your thermostat is crucial. Ensure it’s installed in a neutral area, away from heat sources, drafts, or direct sunlight, as these factors can skew temperature readings and affect furnace performance.
Regular thermostat maintenance can keep your heating system running smoothly. If problems persist, it’s time to consult an expert.
Solving Airflow Issues: Tips for Better Warmth
Weak or uneven airflow can make your home uncomfortable and strain your system. Here are the common causes and solutions:
- Blocked or Leaky Ducts: Clean accessible ducts or call a professional to repair leaks.
- Obstructed Vents: Clear furniture or rugs blocking vents for even heating.
- Clogged Air Filters: Replace filters every 1-3 months with ones rated MERV 8-11 to maintain proper airflow.
- Damper Issues: Adjust manual dampers or have automated ones inspected if they malfunction.
- Furnace Fan Problems: Test the fan in fan-only mode. If it’s not working, repair or replacement may be needed.
- Thermostat Troubles: Double-check that your thermostat is functioning properly to rule it out as the issue.
Tackling these issues early can improve airflow, reduce energy bills, and extend your furnace’s lifespan.
Is Your Furnace Air Filter Costing You Comfort?
Your furnace is designed to heat and circulate clean air throughout your home, but a dirty air filter can disrupt this process and cause serious issues.
A clogged air filter causes your furnace to work harder, driving up energy bills and reducing efficiency. Replacing the filter every 1–6 months is a simple way to keep your system running smoothly and save money.
The Risks of a Dirty Air Filter
- Increased Energy Usage
A dirty filter limits airflow, forcing your furnace to use more energy to heat your home, leading to higher utility expenses and unnecessary wear and tear on your system.
- Damage to Furnace Components
Restricted airflow can overheat your heat exchanger, causing it to shut down or sustain costly damage. Over time, filters clogged with debris can harm essential parts like the fan or gas valves, leading to expensive repairs.
- Poor Indoor Air Quality
A clogged filter allows dust, allergens, and debris to circulate in your home, worsening air quality. This is especially harmful for those with allergies or asthma. Regular filter changes help maintain healthy, clean air.
- Uneven Heating
Blocked airflow from a dirty filter can make it hard to heat your home evenly, creating cold spots and discomfort in certain areas.
Keep your furnace efficient and your home comfortable by replacing air filters regularly—it’s an easy step with big benefits!
Furnace Pilot Light Problems and How to Fix Them
Your furnace’s pilot light is a small but essential flame that ignites your system. A steady blue flame indicates proper function, but when issues arise, they can disrupt heating.
Here’s what to watch for and how to address common problems.
Pilot Light Won’t Stay Lit
If your pilot light keeps going out, the cause might be:
- Dirty or Damaged Thermocouple: Prevents the gas valve from staying open.
- Clogged Gas Tube: Carbon buildup restricts gas flow.
- Faulty Pilot Control Knob: Limits gas flow, extinguishing the flame.
Pilot Light Keeps Going Out
Frequent extinguishing often results from:
- Drafts or Poor Venting: A lack of oxygen can snuff out the flame.
- Faulty Thermocouple: Fails to keep the gas valve open.
- Condensation Drips: Water dripping onto the flame can extinguish it.
Weak, Flickering Pilot Light
A weak, flickering pilot light may be caused by:
- Dirty Gas Tube: Blocks proper gas flow to the flame.
- Poor Airflow: Insufficient oxygen makes the flame sputter.
Orange/Yellow Pilot Light
An orange or yellow pilot light means incomplete combustion, which can produce dangerous carbon monoxide. Likely causes include:
- Clogged Air Intake Valve: Limits airflow to the flame.
How to Keep Your Pilot Light Working Properly
Regular maintenance, cleaning, and ensuring proper airflow are key to avoiding pilot light issues. If problems persist, consult a professional to keep your furnace running safely and efficiently.
Keep your home warm and worry-free with consistent furnace care!
Mechanical Wear & Tear: Signs Your Furnace Needs Attention
As winter settles in, your furnace works hard to keep your home warm and cozy. Like any machine, it can show signs of wear and tear that need attention.
Here’s what to look out for:
- Strange Noises: Unusual sounds like banging or squealing could mean problems with the blower motor, loose parts, or ignition system. Don’t ignore them—minor issues can escalate quickly.
- Uneven Heating: If some rooms are too cold while others are warm, your furnace may have issues with the thermostat, ductwork, or internal components.
- Rising Energy Bills: A sudden spike in expenses without increased usage signals reduced efficiency. Dirty filters or faulty parts could be the culprit.
- Frequent Cycling: If your furnace cycles on and off too often, it may be short cycling due to clogged filters or thermostat issues, putting unnecessary strain on the system.
- Visible Damage: Rust, soot, or corrosion on your furnace could indicate major problems, like a gas leak or cracked heat exchanger.
Annual Furnace Maintenance: Why It Matters
Keep your home warm and worry-free this winter with Alfa Services’ professional furnace maintenance in Metro Vancouver. Regular tune-ups extend your furnace’s lifespan, improve energy efficiency, and prevent unexpected breakdowns. A dirty filter or worn parts can make your system work harder, driving up energy bills and risking costly repairs.
Our licensed HVAC technicians will inspect, clean, and optimize your furnace for peak performance. From clearing dirt buildup to checking delicate components, we ensure your system runs safely and smoothly. Plus, we help identify potential issues early, giving you peace of mind when it matters most.
When to Schedule Your Furnace Inspection and Maintenance
The best time to schedule your furnace inspection is late summer or early fall. This ensures your system is ready before the colder months arrive, reducing the chances of unexpected breakdowns when you need heat the most. Don’t wait until it’s too late—contact Alfa Services today to book your inspection and keep your home warm and worry-free all winter!
