Performed a complete heating system maintenance and inspection. Inspected and tested all electrical components and safety controls on the indoor unit; all components tested within manufacturer specifications. Inspected UV bulb at client’s request; bulb is in good working condition and does not require maintenance Verified system temperatures: return air temperature measured at 71F; supply air temperature measured at 115F and rising. Confirmed air filter was recently replaced by client; filter size is 20” x 25” x 4”. Inspected and tested all electrical components on the outdoor unit; all components tested within manufacturer specifications. I noticed the system didn’t have any type of surge protection. By adding surge protection you can help save your system from lightning strikes, brow/black outs and any other type of surge in power. It comes with a 3yr warranty along with a $10,000.00 insurance policy for repairs if the part fails from the manufacturer. Confirmed system was o