The best preparation is testing equipment before extreme weather arrives, keeping filters and outdoor units clear, managing humidity and scheduling service when the system starts behaving differently—not after it stops completely.
The best preparation is testing equipment before extreme weather arrives, keeping filters and outdoor units clear, managing humidity and scheduling service when the system starts behaving differently—not after it stops completely.
Do not wait for the first extreme day
Turn on heating before the first deep freeze and cooling before the first major heat wave. Listen for unusual noises, verify that airflow feels normal and make sure the thermostat changes modes correctly. Early testing gives you time to address problems before demand peaks.nnThis is especially important for older equipment or systems that needed repairs during the previous season.
Humidity matters in both winter and summer
Summer comfort depends on moisture removal as well as temperature. In winter, overly dry air can create static, discomfort and wood-related issues. Humidifiers, filtration, equipment runtime and airflow should be considered as part of one comfort strategy.nnPersistent window condensation or a clammy home are signals that humidity deserves attention.
Make the house easier for the HVAC system to serve
Keep supply registers and returns open, replace dirty filters, seal obvious air leaks and use window coverings thoughtfully during extreme sun or cold. Do not block outdoor condensers with landscaping or storage.nnIf certain rooms remain uncomfortable, note the pattern. Time of day, floor level and weather conditions can help a technician identify airflow, insulation or zoning issues.
Need help with your home comfort system?
Otto A. Trzos Co. / Heating Cooling Pros serves Metro Detroit homeowners with heating, cooling, boiler, water-heater and indoor-air-quality service.
Frequently asked questions
Questions homeowners ask about this topic
When should I test my furnace for winter?
Test it before consistently cold weather arrives so there is time to address unusual operation or maintenance needs.
When should I schedule AC service in Michigan?
Spring is a practical time to inspect cooling equipment before high temperatures and peak service demand.
Do weather swings hurt HVAC equipment?
Changing weather itself is normal, but frequent mode changes can expose control, maintenance or performance issues that were already developing.