Energy Efficient Articles

Smart Thermostats for Savannah Homes: Do They Actually Save Money?

May 29, 2026

By Bryan Donaldson, Owner, On Time Air. 25+ years of HVAC experience in Savannah, GA. Manufacturers advertise savings figures in the 10 to 15 percent range on heating and cooling. Those numbers come from the manufacturers’ own studies, and independent research has generally found more modest results. So let me give you the version I’d…

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Summer HVAC Tips: Staying Cool in Coastal Georgia

May 15, 2026

By Bryan Donaldson, Owner, On Time Air. 25+ years of HVAC experience in Savannah, GA. Summer in Savannah isn’t really a heat problem. Plenty of places get hotter than we do. Phoenix hits 110 and people manage. Our problem is moisture. Dew points in the low to mid 70s from June through September mean the…

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SEER2 Ratings Explained: What the Numbers Mean for Your Power Bill

April 15, 2026

By Bryan Donaldson, Owner, On Time Air. 25+ years of HVAC experience in Savannah, GA. Every AC quote you get has a number on it. 14.3. 15.2. 17. 20. Salespeople will tell you higher is better, which is technically true and not especially useful. What you actually want to know is whether the extra three…

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Furnace Efficiency Ratings Explained: What Savannah Homeowners Should Know

December 30, 2025
a visually striking comparison of an old, rusty furnace enveloped in warm, dim lighting juxtaposed against a sleek, modern furnace illuminated by soft, bright light, emphasizing the theme of energy efficiency.

Every furnace has an efficiency rating stamped on a yellow EnergyGuide label, but most homeowners have no idea what that number means or how it affects their heating costs. If you’re shopping for a new furnace in Savannah or wondering whether your current system is costing you more than it should, understanding efficiency ratings helps…

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Is My Home Energy Efficient?

September 8, 2024
Is My Home Energy Efficient? Boy on couch.

You hear it all the time—buy energy-efficient heating, ventilation, and air conditioning (HVAC) equipment to lower your Georgia utility bills!  But what about creating an energy efficient home?

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