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How to Prep Your HVAC System for Ontario’s Spring-to-Summer Transition

Intro:
As Ontario shakes off the last of winter and moves through the unpredictable shoulder season, it’s the perfect time for homeowners to prepare their HVAC systems for the summer ahead. At ICare Home Comfort, we know that spring maintenance can mean the difference between a cool, comfortable home and an unexpected mid-summer breakdown.

Switching from Heat to Cool – What to Check

Spring is a transitional season, which means your system might still be toggling between heating and cooling. Here’s what to inspect:

Check your thermostat settings – ensure your system is set to “auto” and not stuck on “heat” or “cool.”
Test the AC early – run the air conditioner on a warmer day to check for unusual sounds, weak airflow, or warm air output.

Clear Debris from the Outdoor Unit

Winter storms can leave debris, leaves, or even ice damage around your condenser unit. Make sure to:

Clear at least 2 feet of space around the unit
Remove leaves, twigs, and nests

Gently rinse the unit’s fins with a garden hose (avoid pressure washers)

Replace or Clean Your Filters

One of the simplest ways to improve HVAC performance and air quality is to clean or replace your furnace or heat pump filter. A clogged filter:

Reduces system efficiency
Increases energy bills
Circulates dust and allergens into your home

Check Your Humidity Levels

Humidity plays a huge role in home comfort and energy efficiency. If your system has a built-in humidifier or dehumidifier, this is the time to calibrate or service it to match the season.

Consider installing a whole-home humidifier if dry air was a problem this past winter
Prepare for higher summer humidity with a dehumidifier or variable-speed AC system

Schedule a Professional Tune-Up

A spring maintenance visit ensures:

Refrigerant levels are optimal
Coils are clean and efficient
Motors and electrical components are working properly

It’s also the best time to catch small issues before they become summer emergencies.

Final Tip: Don’t Forget About Rebates!

Many Ontario rebate programs support upgrades to energy-efficient air conditioners, smart thermostats, and heat pumps. ICare Home Comfort can help you identify what incentives are available in 2025—and assist with the paperwork.

Book Your Spring HVAC Tune-Up Today!

Beat the summer rush. Contact ICare Home Comfort for a seasonal check-up and expert advice on keeping your system running smoothly all year long.

Contact Icare Home Comfort today to schedule your services!