Griffin Service offers 24 Hour 7 Day (24/7 emergency service). We are your best reviewed and best rated, advanced Heating, ventilation, and air conditioning, Plumbing, Water heater, Duct cleaning, Water softener, repair and installation company in St. Johns, Clay, Duval County, and greater Jacksonville, Florida. We offer FREE In-Home Estimates! Services We Offer Include: - Heating, ventilation and air conditioning - Heating, ventilation and air conditioning repair - Heating system service - AC repair - AC installation - Heating repair - Plumbing - Drain cleaning - Garbage disposal installation and repair - Indoor Air Quality - Duct cleaning - Vent cleaning - Water heater installation - Water heater repair - Water softener installation