Tools And Steps Needed To Install A Residential HVAC System

Friday, July 22nd, 2016

Residential HVAC systems provide comfortable temperatures in your home during the winter and summer months. Unfortunately, your HVAC system will begin to age and eventually need replacing. Some choose to replace an aging system with a more efficient system that will lower their heating and cooling bill. Whether you are replacing your HVAC system due to age, efficiency or a mixture of both, it can be a difficult task. Only a professional technician, should attempt a replacement. The following information will identify the tools and steps you need to install a residential HVAC system.

Tools needed to install a residential HVAC system

You will need a number of things to replace your HVAC system properly. Some tools include electrical wire and fittings, sheet metal ductwork fittings, PVC drain pipe and fittings, glue, and cleaner. You will also need electrical tools, HVAC hand tools and pipe wrenches.

Purchase an HVAC system from a supplier

Naturally, the first step to installing a new HVAC system is purchasing one from a supplier. Before purchasing, be sure the unit size matches your current system. You can find the unit size on the access panel.

Disconnect the unit and remove the wiring

Next, disconnect the HVAC unit from the power. Turn off the electrical breaker and remove all wiring to the HVAC system. You will need to remove the thermostat wiring from the unit, but ensure that you label the wires to their corresponding terminal. If you are working with a natural gas unit, turn off the gas valve. This valve is located on the pipe, before it enters the system. Finally, disconnect the unit’s supply air plenum and remove the return air duct from the system.

Swap HVAC systems

Slide the old HVAC unit out and slide your new unit into place. It will require some major reconnection work in order to get everything hooked up to the unit. The supply air plenum needs to be connected to the top of the HVAC unit. You will likely need a sheet metal transition to make the connection from the old plenum to the top of the HVAC unit.

Connect the return air duct to the side. You will need to cut a hole in the side of the new unit in order to match the size of the return duct. If the unit is natural gas, reconnect the gas piping.

Connect all wiring back to the unit as well. You will need to consult local electrical codes to figure out how to make those connections. Finally, connect the condensate piping and thermostat wires back to the HVAC unit. Turn the electrical breaker and gas valve back on.

Installing an HVAC system is a complicated task. Contact the professionals at Allen’s Tri-State Mechanical, Inc. for help. We provide commercial, heavy industrial, and residential services throughout the Texas Panhandle and Tri-State area. If you have any questions, give us a call at (806) 376-8345 or Contact Us via email. You can also visit us in person at 404 S. Hayden St. in Amarillo, Texas.