San Diego HVAC Blog

News and Helpful Tips from Global Heating & Air Conditioning


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Window Unit vs. Central Air Conditioning

Window Unit vs. Central Air Conditioning: Which is Better for You

It’s summer, and along with family vacations, the Fourth of July, and trips to the beach also comes heat. The ...
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clean air in HVAC Systems

The Importance Of Clean Air in HVAC Systems

This isn’t necessarily a chore that you have to scribble onto your to-do list right away, but it may be ...
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indoor air pollution

Indoor Air Pollution

When we think about pollution and the harm it does us, we usually focus on outdoor factors. Little do we ...
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air conditioner maintenance

Air Conditioner Maintenance Checklist

Although almost as common as a dime once was, air conditioners are sophisticated pieces of equipment. They require regular servicing ...
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furnace blowing cold air

Why is My Furnace Blowing Cold Air?

You don’t have to be an HVAC expert to know you have a problem when your furnace is blowing cold ...
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fixed speed furnace

Understanding Variable vs. Multi vs. Fixed Speed Furnace

Over time, furnace noise can become part of the family. Boom! The lights dim slightly, and a rush of air ...
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