Complete 2 Systems 2 Heating Tune Ups. US Carrier HP Split System: Checked tstst and air filter.. Checked heat strips and made sure they were on. Checked blower motor amp draws and run cap. Inspected evap coil. Reccomended a Secondary float switch to HO. Checked all wiring at the AH. Checked compressor and cfm amp draws. Checked dual cap. Dual cap is weak. Needs to be replaced. Checked all wiring at the condenser. Checked pressures. Tested defrost board. condenser coil is clean. System is running great st this time. HO said before calling her home warranty she wanst to know her options towards a new system. Sent Beth Lead sheet. AH is located in the attic. Easily accessible, left to right air flow. Duct is in good condition. Spoke to HO about the 10 year P&L. DS Carrier HP Split System: Checked tstst and air filter. Found bad tstat. System is coming on, and it showes auxilary heat is on but tstat is not sending 24v to relay for heat strips to come on. Tstst needs to be repl