Water Heater (Tankless), Furnace, Chimney? What order of work? Different contractors?

Can you vent furnace and tankless water heater together?

The tankless heater cannot share vent piping with any other appliance, and it cannot use a masonry chimney flue for venting.

Do I need a professional to install a tankless water heater?

Because they have high-powered burners that require a dedicated, sealed vent system, most tankless units also require professional installation. That said, in addition to on-demand hot water and lower long-term energy costs, tankless water heaters also save space and offer longer warranties.

Can furnace and water heater share PVC vent?

Can A Furnace And Hot Water Heater Really Share A Vent? In short, yes. However, there are certain factors that allow a furnace and hot water heater to share a vent – this is very important to know. Firstly, the type of furnace and hot water heater play a big role in whether these two systems can share a vent.

Can you run multiple appliances on a tankless water heater?

The ECO 36 is the largest EcoSmart tankless water heater can provide hot water to multiple appliances running simultaneously so it is recommended as a whole house heater or for other high-flow applications.

How do you vent a tankless water heater through the roof?

Quote from the video:
Quote from Youtube video: They make it for the condensing. Model which is polymer and plastic. This one here has the metal. Okay. Now what you're going to find is the beat Bank comes through the sheetrock ceiling.

How do you vent a tankless hot water heater?

Tankless water heaters can vent through the roof or a side wall, creating more flexibility and options for placement. Traditional gas tank water heater require venting through the roof. Tankless water heaters use fans to blow exhaust from the unit horizontally, allowing vents to terminate on the side of a house.

What is the downside of a tankless water heater?

The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

Why is tankless water heater installation so expensive?

Tankless water heaters have a higher initial price compared to tank heaters, costing homeowners between $1,200–$3,500. The higher cost is a result of a more labor-intensive set-up, as new gas and water lines are required for installation. For electrical tankless heaters, new electric wiring will need to be installed.

How high off the ground should a tankless water heater be?

18 inches

Your gas water heater should be 18 inches off of the ground, as per the National Fuel Gas Code. This is the standard for water heater installation requirements.

Can you take two showers at once with tankless water heater?

Whole-House Tankless Water Heater



Whole-house units have higher GPM flow rate capacity and can handle the demand for more than one fixture at a time. For example, a unit may sufficient capacity to handle two shower fixtures at one time, or a dishwasher, kitchen sink, and lavatory hot water faucet at one time.

Why would you need 2 tankless water heaters?

It is possible to connect two tankless heaters to run parallel to each other, providing a larger amount of hot water on-demand. You could also get a larger tankless unit that can provide a higher flow rate.

Can you run tankless water heaters in series?

Tankless electric water heaters can be installed in series.

How do you plumb two tankless water heaters together?

Quote from the video:
Quote from Youtube video: Each one of these cables is connected to the individual water heaters in the system. And if you'll go ahead and remove the cover from that first water heater all right okay Rob.

What is the average gpm for a tankless water heater?

Consider how many of these needs you may have simultaneously to determine the maximum flow rate you require. For a home with 1 bathroom, we recommend 6-7 GPM; 2 bathrooms, 8 – 9 GPM; and 3+ bathrooms, 9-11 GPM.

Should I install 2 tankless water heater?

You’ll need two tankless water heaters if: If your household typically exceeds 9 gallons of hot water usage per minute. Taking two showers and running a clothes washer or dishwasher can easily exceed 9 gallons of hot water usage per minute. If you have bathrooms or your kitchen is on opposite sides of the house.

How many tankless water heaters does a house need?

In most cases, you need only 1 tankless heater for an entire house. However, if you really have a big house (2+ bathrooms), even the big 11 GPM Rinnai gas tankless water heater will not be enough to satisfy all your simultaneous hot water needs. The big tankless heater takes care of the most hot water needs.

How do two water heaters work together?

Quote from the video:
Quote from Youtube video: Side we need the same rise vertically. And the same distance horizontally until they feed together to go up a pipe if you do it exactly like this the heaters will be balanced.

How many people can use a tankless water heater?

A basic size requirement for choosing between them is that for one or two people, a tankless electric heater may be adequate. For more than two people, a gas fired tankless heater is the way to go.

What size tankless water heater do I need to replace a 40 gallon?

Comparing a 3.2 GPM tankless water heater to a forty gallon tank type heater is possible. For example, if a tankless unit produces hot water at 3.2 gallons per minute, this rate of flow will run a 40 gallon tank type heater out of water in only ten minutes. Tankless heaters do not store water.

How many BTU do I need for tankless water heater?

If you need to provide a whole house with hot water and your peak water demand is high, then you’ll need up to 200,000 BTU. If you only need a couple of low flow fixtures at once, then you can go with lower BTU since it will consume less.