When it comes to HVAC replacement, leave it to the professional! The setup of an HVAC component might be easy, however it is genuinely tricky. For example, there is set amount of refrigerant that needs to go into the air conditioning component on the initial replacement! Not enough and the gears churn and burn out, then you could have some major HVAC repairs quite soon with not enough refrigerant. Too much refrigerant and the liquid leaks over, followed by mold, mildew and bacteria growing and will mangle the cooling system! On the initial replacement, if the refrigerant is not right, the HVAC system will never be the same. Yes, literally one little mistake could cause the air conditioner component to need frequent, expensive heating and cooling repairs. Also, the air conditioner component is predicted to have half the proper lifespan with the initial replacement messed up. Additionally, you never know if you have the wiring, fan blades and motor set right, but why take a chance at possibly ruining your air conditioner unit? You don’t know what parts are fragile and what ones are tricky to install, so pay that extra cost to have a cooling repairman come in to set up the HVAC system right. In the end, it will save you cash relying on professional help rather than a handy friend.