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HVAC Tips from John Davis Heating and Air

John Davis Heating and Air technician smiling beside an outdoor AC unit during a tune-up with gauges connected
Maintenance

How Often Should I Have My Heating and AC Serviced?

Twice a year: once in spring for your air conditioning, and once in fall for your heating. Here's what a tune-up includes, how to tell a good one from a quick look, and how the JD Air Care Plan fits in.

By John Davis & Team • October 2, 2026
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Troubleshooting

Why is my AC running but not cooling my house?

This article is on the way. Check back soon for more HVAC tips from our team.

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Troubleshooting

Why is my AC freezing up in a Georgia summer?

This article is on the way. Check back soon for more HVAC tips from our team.

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Air Filters

How often should I change my air filter, and what MERV rating is right?

This article is on the way. Check back soon for more HVAC tips from our team.

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