$200 OFF Special price for Installation of a replacement Humidifier read more
Our Blog
Deljo Heating & Cooling
3 minutes read

The Simple Winter HVAC Maintenance Checklist

Published by Luke Weiden

Winter is here, so it’s time to schedule your annual HVAC maintenance visit! As the temperatures drop, your heating and cooling systems must work without risking frozen units, breakdowns, and costly replacements. Read this winter HVAC maintenance checklist to keep your system in top condition.

Why HVAC Maintenance is Important

Regular maintenance is like a check-up for your HVAC system. It keeps everything running smoothly, improves energy efficiency, and extends the lifespan of your equipment. Neglecting maintenance can lead to higher energy bills, reduced comfort, and potential breakdowns at the worst possible moment.

What is Done During HVAC Maintenance?

Here are some simple ways to protect your furnace, boiler, and air conditioner in the cold months and what happens if you ignore the issues.

  • Filter Replacement: Swap out your air filters to keep the air flowing freely. Clogged filters force your system to work harder, decreasing efficiency.
  • Duct Cleaning: Clean out dust and debris from your ducts. Not only does this improve indoor air quality, but it also enhances the efficiency of your HVAC system.
  • System Inspections: Schedule a professional inspection to catch any potential issues early. Technicians will check for faults in electrical connections, heat exchangers, evaporator coils, and blower motors to ensure your HVAC equipment functions correctly.
  • Inspect and Clean Outdoor Unit: Remove debris like leaves and snow from the outdoor HVAC unit to ensure optimal airflow.
  • Check Thermostat Settings: Adjust your thermostat settings for winter, programming your system for comfort during the colder months.
  • Test Carbon Monoxide Detectors: Ensure your carbon monoxide detectors are in working order to avoid carbon monoxide poisoning. Part of regular maintenance is checking for carbon monoxide leaks to keep everyone safe.

By following this winter HVAC maintenance checklist, you have a warm and cozy home and save money doing it. Remember, a little maintenance now goes a long way in preventing more destructive issues later.

Trust Deljo for Professional HVAC Maintenance!

Instead of stressing over your heating and cooling system this winter, call the experts at Deljo Heating and Cooling! Stay warm with our furnace maintenance services! Our HVAC technicians identify, repair, and maintain problems before they worsen. Contact us today to schedule an HVAC service!

6-Step Heating Maintenance Checklist

Winter HVAC maintenance includes a full inspection and cleaning of your heating system.

  1. Replace the filter
  2. Clean ductwork
  3. Inspect heating system
  4. Inspect and clean outdoor unit
  5. Check thermostat settings
  6. Test carbon monoxide detectors

Call now to schedule your annual heating maintenance service to keep your family safe and cozy throughout the season.

Recent Posts


How Long Does a Heat Pump Last? What You Need to Know

It can be increasingly difficult for homeowners to find energy-efficient and cost-saving HVAC solutions. Fortunately, heat pump systems have become that solution, heating and cooling your home from one central unit. If you have a heat pump, you’re probably wondering how long it will last until you need to replace it. Read this guide to understand the lifespan of these systems, especially when considering a new heat pump installation for your home. The Lifespan of Heat Pumps On average, a...

Read More

What to Do if Furnace Stops Working in Winter

A malfunctioning furnace during winter is a nightmare. Your heating system faces a lot of stress in harsh weather, working nonstop to keep you and your loved ones safe and warm. Read this guide if your furnace breaks or starts blowing cold air with ways to fix it! Check the Thermostat The first thing to inspect is your thermostat. Set the desired temperature in your home and ensure it functions correctly. Sometimes, simply adjusting the thermostat can kickstart your furnace...

Read More

Discover the Winter Benefits of Mini-Split HVAC Systems

Dealing with Chicago’s unpredictable weather can be a challenge. This can mean that traditional HVAC systems might not be the best solution. Ductless mini-split HVAC systems can be real game-changers! So, what's the deal with these mini-splits? They are cost-effective and energy-efficient. Imagine the power of a single outdoor unit pumping warm air directly into your room. Streamlined into your home through wall or ceiling units, there is no messy ductwork. 4 Main Advantages of Mini-Split Systems Your heating system...

Read More