Do not focus on the homeowner ac systems with photos. Focus on light commercial side in small establishments: commercial refrigeration, ice machines, walk in freezers, and light rooftop air conditioning. Any photos in those domains work better for this business.

I like the ones that show a front and back design.

My preference is to have the final product in a word template format where I can easily edit the text.

Here are some example images of the types of commercial refrigerators, ice machines and walk in coolers that we services.

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Search google images for commercial refrigeration.

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commerical ice machines

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and walk in cooler

http://www.avoyellesrestaurantequipment.fastcooler.com/dealer/images/gallery/large/beer-cave-interior_lrg.jpg

commercial refrigeration

http://www.frankgayservices.com/wp-content/uploads/2017/01/glass-door-refrigerator-service-orlando-630x315.jpg

Please review the submitted design (#19871646).