OK, your furnace is 25 years old, it’s inefficient and undersized. You get on the phone and phone around and figure out that a new air conditioner does not really cost that a lot. It’s the installment labor that runs up the cost! So, you think you’ll just change out the heating system on your own and save a bundle? Seems pretty good on the surface? Why Not? Well, here’s reasons why not.
Furnace and central air conditioning specialists get a lot of training. They know how to do the job properly and they recognize the wrong ways to do the job, they own the instruments for correct installment and tests and they’ve been trained in how to do the AC repair job carefully and effectively. This is certainly a situation where what you don’t know can hurt you.
Central air conditioning systems have to be installed by certified technicians. The coolant that is pumped through the system is captured and saved. Discharging this coolant in to the atmosphere results in environmental destruction. You have to be qualified and licensed to deal with the coolant associateded with air conditioning replacement, repair or installation.
An important part of the task is determining which new unit ought to be installed. A knowledgeable HVAC contractor can counsel you on which system is most effective for your home and your situation. Brand, model, sizing and efficiency are each critical factors in choosing an HVAC system.
The routine for replacing a furnace is, approximately, as follows. The gas lines, plumbing, refrigerant lines and electrical are disconnected, capped and protected, as needed. The ductwork is disconnected from the existing unit. The existing furnace is removed. Removing a furnace from a heater closet is often more challenging than expected. The installer will carry the old unit away, and probably recycle it. The heater location is then cleaned and readied to receive the fresh system.
Before installment of the new system, the ductwork will most likely have to be modified to fit. Once the new device is in place, and the ductwork, the plumbing, electrical wiring and gas and refrigerant lines are all properly connected, the gas lines and the HVAC unit is tested. The specialist will also run the system and check for carbon monoxide gas, a dangerous combustion by-product that can pass into the heated air if the unit is damaged or the setup is performed incorrectly. The thermostat might also have to be replaced, programmed and checked.
So, all in all, the replacement of a heating system is a complicated job. It requires specialized instruments, components, training and expertise. It’s a job most effectively delegated to the professionals who know exactly what they are undertaking. Give your qualified HVAC compny a phone call. He will perform a good job and save you money and grief in the long run. He are so good, he will make things look easy. You may think, I could have done that! However, you made the right decision leaving the job to a professional.