Why are they selling me a power vent hot water heater?
11 years ago
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Comments (9)
- 11 years ago
- 11 years ago
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new water heater with power vent
Comments (7)dyno - what do you mean by not operationally cost effective? As a general rule electric heater are much more efficient in terms of heat produced from a given amount of energy input. Now your cost at the end of the day may or may not be higher - really depends on the cost of a given energy source in your area. Here in the south where there is often access to cheap hydro electric power the electric kicks gas up and down the street. The opposite is true in New England where expensive coal and oil fired elect. plants dominate. Just look at the energy efficiency ratings of the heters. Gas are typically in the 70-80% range and electric in the 90%. This doesn't mean there aren't gas units out there that produce 94-95% efficiency ratings or electric ones that stink with only a 75% rating....See MoreMy power vent on water heater keeps running non-stop
Comments (24)Look at the cost benefit of going tankless, the cost will be much higher and payback may be years coming. May need a larger gas line, will need a new vent stack, etc. For the two of us the cost for tankless was not justified. I installed a 50 Gallon Bradford White, the tank cost was approximately $400. Normally with labor in the area it costs around $800 to install. Power vents not normally used where I reside. Guess with power vent cost to install $1000 assuming electrical is near. Tankless quotes here are between $3000 to $4000. Most gas lines need to be changed to accommodate gas volume requirements and the vent needs to be changed to handle the increased heat. Not a fan of Sears or their water heaters, Bradford White was rated the best by Consumers Reports. I am very satisfied with Bradford White. Looks like turning on and off reset the blower. My two cents....See MorePower vent water heater and power loss??
Comments (8)I found out I can get a Generac brand 5000W unit for about 525 (plus tax). Hubby reminded me he would be able to take it tailgating! I found out there are interlock devices where it is wired in to the breaker box but for less money than a separate panel. I have to ask my electrician friend about that. It sounds cool. I think the 5000w would be all I need to be comfortable as I think it can run the furnace as well. We'd just have to be conscious of what we were running at one time and not overload it. Does anybody know if these power vent hwh are usually hard wired to the breakers, or if they plug into an outlet? (which I believe would have to be wired separately.)Since it's a new install I'd think I could go either way if installer was willing. I never considered getting one until people pointed out the power loss issue with the water. That doesn't concern me THAT much, but it did get me thinking......See MoreTraditional Water heater V Power vented V Electric
Comments (20)ionized_gw: I think that gas tankless has become more mainstream. In addition, the incentives have started to go away. Much of the initial complaints with gas tankless were around bad installation and/or bad retrofitting. I don't think they are sliding in popularity as much as they simply aren't the new kid on the block any longer. On new installs, gas tankless doesn't cost significantly more than a power vent heater and you see them installed on new upscale homes here because of the unlimited hot water. Rheem has addressed the "cold water sandwich" by delaying a "post purge" cycle when the heater is turning off and on frequently. This means that the heat exchanger doesn't rapidly cool off -- eliminating the "cold" part of the sandwich. I insulate my hot water lines also to reduce heat loss between uses. I know I'd never go back to a standard tank water heater. As for electrical requirements on the hybrids - it's the same as a standard electric water heater. The reason is because they sometimes have to fall back to electric resistance heat if the ambient temp is too low or quick recovery is needed. There was some reliability issues on the early hybrids that has since been worked out, I believe. As a side note: Hybrids are being linked up with PV -- meaning that while you would never use solar PV to power electric resistance water heater, it's a good match up for a hybrid water heater. Oil isn't much of "a thing" where I am, so I can't really comment on that. SaltiDawg: The op was seen screaming and running from the building...See More- 11 years ago
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