What’s Covered in a Spring AC Tune-Up vs. a Fall Furnace Tune-Up?

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Spring AC tune-up: what gets checked

An air conditioner tune-up is done in spring, before Metro Vancouver's warmer months arrive, so the system is ready when you actually need it. The visit is about the parts specific to cooling.

• Refrigerant level check and inspection for signs of a leak
• Cleaning the outdoor condenser coil and clearing debris from around the unit
• Checking the indoor evaporator coil and drain line for buildup or clogs
• Testing the capacitor and contactor, which are common wear parts on the electrical side
• Checking airflow, blower operation, and thermostat communication with the system
• Inspecting the condensate drain to prevent water backup or overflow

Because air conditioners don't burn gas, there's no combustion or carbon monoxide component to a spring tune-up. It's mechanical and electrical, not a safety inspection.

Fall furnace tune-up: what gets checked

A furnace tune-up happens in fall, ahead of the heating season, and includes a safety component that the AC visit doesn't, because most furnaces in this region burn natural gas.

• Inspecting the heat exchanger for cracks or corrosion, which is a safety-critical check
• Testing for proper venting and checking for carbon monoxide risk
• Cleaning or inspecting the burners and igniter for even, reliable ignition
• Checking gas pressure and connections
• Replacing or cleaning the air filter and checking blower operation
• Testing thermostat response and cycling the system through a full heating cycle

Furnace tune-ups on gas-fired equipment fall under Technical Safety BC's oversight, which is why a licensed technician checking combustion and venting matters here in a way it doesn't for an AC visit.

Why the timing and focus differ

The two tune-ups aren't the same checklist run twice a year. Cooling systems and gas furnaces have almost no shared components, so a spring visit and a fall visit are really two different services with a common goal: catching wear or a developing fault before the system is under full load. Doing the AC check in spring means any refrigerant or capacitor issue shows up before a heat wave, not during one. Doing the furnace check in fall means any heat exchanger or ignition issue shows up before the first cold snap, not on the coldest night of the year.

If your home has a heat pump instead of separate AC and furnace, most of the cooling-mode checks above still apply in spring, and most of the heating-mode checks apply in fall, since a heat pump does both jobs through the same equipment.

When to call a professional

Either tune-up is worth booking annually as routine maintenance, not just when something feels off. If your AC hasn't been serviced before a Vancouver-area heat wave, or your furnace hasn't been checked before the first cold nights, it's a good time to schedule one. CANRO's technicians are Technical Safety BC licensed and Red Seal certified, and can perform either tune-up as a standalone visit.

Frequently asked questions

Reviewed by the CANRO Heating & Cooling service team — July 07, 2026. Technical Safety BC gas licence LGA0043870 · boiler licence LBP0046450 · Red Seal certified · WorkSafeBC and liability insured · 4.9★ from 85+ Google reviews · serving Metro Vancouver since 1999 · (604) 359-1081.