Summer 2026 Heat Wave Preparation — AC and Heat Pump Readiness Guide
Published: July 15, 2026 — CANRO Heating & Cooling — Greater Vancouver, BC
Why 2026 Could Be a Hot Summer
Climate patterns suggest 2026 will bring above-average temperatures to the Pacific Northwest. Vancouver has experienced multiple 30-degree-plus days each recent summer. Preparing your cooling system before temperatures spike is the smartest move — AC contractors are fully booked during heat waves. A pre-season tune-up ensures your system is ready when you need it.
Pre-Season AC Checklist
Schedule professional spring maintenance in April or May. Replace or clean air filters — a dirty filter reduces cooling capacity by 10-15%. Clear debris and vegetation within 2 feet of the outdoor condenser. Gently rinse the outdoor coil with a garden hose. Test the system in cooling mode on a mild day before you actually need it. Verify your thermostat switches correctly between heating and cooling. Inspect the condensate drain line for blockages.
Energy-Saving Strategies
Set your thermostat to 24-25 degrees Celsius when home. Use ceiling fans for a wind-chill effect. Close blinds on south and west-facing windows during peak heat. Avoid using the oven or dryer during hot afternoons. If you have a heat pump, use Dry mode on humid but mild days to reduce humidity without running full cooling.
What to Do If AC Fails During a Heat Wave
Check the thermostat, circuit breaker, and outdoor disconnect switch. Replace the air filter. If the system still does not cool, place a fan in a shaded window blowing outward and another fan on the opposite side blowing inward for cross-ventilation. Use cool damp cloths on wrists and neck. Call for professional service, but expect extended response times during heat waves.