The windows are all single pane but we would obviously not have enough money to change them allThere are two ancient sliders that are not even safety glass but would it make a difference to spend the money there? Would it make sense to change some of the windows or just the sliding glass doors? I was also contemplating an attic fan as it is cheap and I could install that myselfI would not attempt the window or slider install myselfThe other option is attic insulation upgradeIt is a 2,000 sf cinder block house with a low roof lineThe current A/C is a 5.7 seer unit so the less I can run it the betterI have weather stripped around the doors and windows alreadyJust looking for advice or information from people that have done one thing or the other and how it helped the A/C billI need to make back my investment over a period of timeThanks for the assistance/insight.
Ask the local power company and other contractors for an energy audit, include insulation contractors.
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