ventilating, and air conditioning system can have big effect on your utility bills — and your comfort.
filter will slow down air flow and make the system work harder to keep you warm or cool — wasting energy.
filter will also prevent dust and dirt from building up in the system — leading to maintenance and or early system failure..
Just yearly tune-up of your heating and cooling system can improve efficiency and comfort..
Sealing and insulating ducts can improve the efficiency of your heating and cooling system by as much as 20 percent — and sometimes much more..
Focus first on sealing ducts that run through the attic, crawlspace, unheated basement, or garage.
wrap the insulation to keep them from getting in the summer or in the winter.
you should have it looked at by HVAC contractor.
Installed, these high-efficiency heating and cooling units can save up to 20 percent on heating and cooling costs.
But make sure that you have addressed the big air leaks in your house and the duct system.
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