6 Forced Air Gas Furnace Installation Tips

Installing a forced air gas furnace into your home is not a hassle. This is a very common heating system. There are 3 types of furnaces you need to know, each working to a specific purpose: the conventional furnace, the mid and the high-efficiency furnace designs.

Avoid Using Conventional Furnace

First, the conventional furnace is not entirely efficient since most of the heat is lost before it reaches the chimney. This is the reason why the conventional model is no longer made today. Most old houses have this model.

The mid-efficiency furnace design uses a draft fan to take in combustion material to be later disposed out of the chimney or pipe. Also this model was designed to take in more heat compared to the first one.

The third furnace is the most modern and efficient of the 3 designs. This no longer requires a chimney to operate. This includes 2 heat exchangers. One is designed to condense combustible gases.

Identify the Appropriate Type of Furnace

Before you install, you need to know which type of furnace you are using. Also, keep in mind there are different models of furnaces depending on its size and strength.

Prepare the Unit

Prepare the desired place for installation. Put rubber isolation pads, to reduce the noise coming while you are working. If you plan to put the unit somewhere in the basement, you need to use concrete blocks or bricks to level it up at least 4 inches up the floor. Also, take note of the outlet of the condensing duct and determine where and which part of the unit will serve as the connector for the return air duct. Refer to your manual for further installing instructions.

Seal It Well

Get your duct sealant after you are done positioning the unit. All connections to the unit must be sealed with the duct sealant. Follow the directions at the back of the packaging and make sure to use protective gloves to protect hands.

Connect the Pipes

Tilt the pipes backwards at a slope of ¼ inch per 4 feet. This will make the pipes condensate well. Make sure to check if there is a shutoff valve located outside the unit. Then install the drip leg to the line that enters the unit in order to supply gas to the unit.

Check for Leaks

Make sure that the pipes are tightly secured. Check if there is no distinctive smell once you’ve turned on the gas. Another technique you can use is by using a sponge. Dip the sponge first in soapy water and rub it until it forms bubbles, then rub the sponge onto the pipe. If huge bubbles are formed, there’s a leak. Check every month for possible leaks and blocked air vents to ensure the maintenance of your unit.