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A Federal Thermal engineer replies within 4 business hours on weekdays — or the next business morning if you reached us after hours. If it's urgent, call (405) 239-7301 (OKC) or (918) 249-1918 (Tulsa).
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A Federal Thermal engineer replies within 4 business hours on weekdays — or the next business morning if you reached us after hours. If it's urgent, call (405) 239-7301 (OKC) or (918) 249-1918 (Tulsa).