Annually, ensure that outdoor air-conditioning units and heat pumps are on firm and level ground or pads.ħ. Monthly, inspect insulation on refrigerant lines leading into the house.

Don't allow the lawn mower to discharge grass clippings onto the unit.ĥ. Remove debris, such as leaves, pollen, and twigs weekly during spring, summer, and fall from top and sides of outdoor air-conditioning units and heat pumps. Make sure there's at least two feet of clearance around outdoor air-conditioning units and heat pumps.Ĥ. If you have pets, you'll probably need to change it monthly.ģ. If it looks dark and clogged, go ahead and change it. Replace the filter at least every 90 days. The new high-efficiency pleated filters have an electrostatic charge that works like a magnet to grab the tiniest particles - even those that carry bacteria.Ģ. Buy a better filter if you haven't already.

10 Steps That'll Prolong Your HVAC's Lifeġ. Some things you should do immediately other tasks only need to be done seasonally or once a year.

Regular maintenance for mac