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Your heating system works hardest once the feels-like temperature drops below about -8°C, and your air conditioner strains most above roughly 30°C. On those days a correctly sized, well-maintained system keeps up easily — an aging or neglected one starts to fall behind.

Yes. A humid Greater Toronto Area heat wave above 30°C feels-like pushes an undersized or poorly maintained air conditioner just as hard as a -20°C cold snap pushes a furnace. Both are when small problems turn into breakdowns.

No. It's guidance based on current local weather for the Woodbridge–Vaughan area, not a measurement from your furnace, heat pump, or AC. For a true assessment, Energy Clean offers a free in-home comfort check.

For most Ontario homes a cold-climate heat pump pays for itself in roughly 6 to 12 years after the Home Renovation Savings rebate of up to $7,500, and it provides air conditioning too. Homes heating with electric baseboards, oil, or propane see the fastest payback.

The Home Renovation Savings Program offers up to $7,500 toward a qualifying cold-climate heat pump, and up to $12,000 for geothermal. Energy Clean confirms exactly which rebates your project qualifies for and helps handle the paperwork.

Yes, more often than people expect. Between the up-to-$7,500 rebate, rising fuel costs, and replacing your aging air conditioner with the same unit, lifetime savings typically run into the thousands over the equipment's life.

Use the age-times-cost rule: if your system's age in years multiplied by the repair cost is more than about $5,000, replacing it is usually the better value. Below that, repairing a reasonably young, efficient system makes sense.

No. Repeated repairs on an old, inefficient unit often add up to more over two or three years than a rebate-supported replacement — which also lowers your energy bills and restores reliability.

Often, yes. R-22 has been phased out and is now expensive, so recharging or repairing a pre-2010 R-22 air conditioner can cost more than it's worth. Energy Clean offers a free second-opinion diagnostic before you decide.

A rough starting point is one ton of cooling per 500 to 600 sq ft and about 35 to 45 BTU of furnace heating per square foot, so a 2,000 sq ft home is near 3 to 4 tons and an 80,000 to 100,000 BTU furnace. Insulation, windows, and air sealing shift this, so treat it as an estimate.

No. An oversized system short-cycles — turning on and off too quickly to control humidity — which wastes energy, wears out parts, and creates hot and cold spots. A right-sized system is more comfortable and lasts longer.

The only accurate method is an on-site Manual J load calculation, which measures your home's actual heat gain and loss. Energy Clean performs a Manual J calculation free as part of every replacement quote.

Most issues trace back to a few common symptoms — no heat, no cooling, strange noises, weak airflow, high bills, water or leaks, or thermostat trouble. The diagnoser narrows the likely cause and tells you how urgent it is.

Yes. No heat during an Ontario cold snap or no cooling during a heat wave is urgent — call right away, including the 24-hour line. Noises, weak airflow, or rising bills are less urgent but should be diagnosed soon.

No. Short-cycling, odd noises, and weak airflow are early warnings of a developing fault. Catching them early is far cheaper than an emergency breakdown, and Energy Clean can diagnose the cause quickly.