Heat Pump Hot Water - Basement, will it fit?
Last Post 16 Jun 2021 11:24 AM by newbostonconst. 1 Replies.
Printer Friendly
Sort:
PrevPrev NextNext
You are not authorized to post a reply.
Author Messages
mango18User is Offline
New Member
New Member
Send Private Message
Posts:1

--
12 Jun 2021 12:37 PM
ok, so Ive searched a lot before posting. I'm a homeowner recently re-doing my basement. Its going to be a movie room/spare bedroom. I'm learning the basics of insulating with XPS sheets directly on concrete and air sealing ... In the past I've had a dehumidifier constantly going in the summer. I live just outside Boston and get a decent amount of humidity in the summer. In the winter, even the coldest temps outside my basement stays about 55 degrees. Its about 4'below grade. Our house is 100% electric (no natural gas on our street). For the past 7 years I've had a steibel-eltron on-demand electric hot water heater (that sucker pulls serious amps when heating hot water on demand). I like it because its super compact and easy to service. My electric bill is OK, but I think I can do better. My Q: My utility room off the basement is 6' x 8' with 8' ceiling and a door opening of 30" that spills out into the finished basement. Could this work as a solution for both 1. partially dehumidifying the space --> I know I might still need to use the dehumidifier but at least lighten the load. 2. Certainly save me in electricity with the on-demand one. I'm concerned by the small size of the utility room. I really want the humid warm air from my basement to drift into the utility room. I can make a louver door, or even leave the door open between the utility room and basement. Will this solution work, or should I just keep the on-demand unit? I know decibals will be higher (I'm ok with that) ... just want to make sure the air from my basement will circulate into the utility room. Otherwise, I think I'm adding (maybe) too complex a machine to an otherwise workable solution I have right now. FYI - I’m also installing a mini split but will only have it on when we are using it as a movie night or a spare bedroom. I guess when the mini split is on in the winter, I will be pulling heat from outside (mini split) —> basement —> into HPHW. So thats parts of the energy calculation too. Thanks in advance for your time. Thoughts?
newbostonconstUser is Offline
Advanced Member
Advanced Member
Send Private Message
Posts:778

--
16 Jun 2021 11:24 AM
I think you are missing the concept. Heat pump hot water heaters will pull heat out of your basement/house to heat the water. In the summer you will cool the house which is great but using a heat pump water heater to heat your house will not function right. The efficency will end up the same as a full electric hot water heater(but at the cost of a expensive hot water heater), which is what you have now with your on-demand water heater.

Have you looked at mini splits for heating and cooling. Even one in your basement will help to heat your whole house.
"Never argue with an idiot. They will only bring you down to their level and beat you with experience." George Carlins
You are not authorized to post a reply.

Active Forums 4.1
Membership Membership: Latest New User Latest: croccohvacusa New Today New Today: 0 New Yesterday New Yesterday: 0 User Count Overall: 35027
People Online People Online: Visitors Visitors: 222 Members Members: 0 Total Total: 222
Copyright 2011 by BuildCentral, Inc.   Terms Of Use  Privacy Statement