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Living in the PNW, I'm building a new house and I've chosen a dual fuel hybrid heat pump system as per https://www.bryantbing.com/products/hybrid-heat/ https://

Living in the PNW, I'm building a new house and I've chosen a dual fuel hybrid heat pump system as per https://www.bryantbing.com/products/hybrid-heat/ https://www.bryantbing.com/products/hybrid-heat/ I'll also have solar + battery. Should be able to run the furnace & fan but not the heat pump (too many kW/h) during a power outage and thus heating with gas. It'll run off the heat pump for 90-95% of the year, only using gas on the coldest days, or during an outage. To go full heat pump for 100% of the year you need to seriously upsize the heat pump(s) and you wouldn't have performance during an outage.

pinot 4y ago
Can't heat with gas without electricity, unless you have a genset or power wall kind of thing to provide epower.
- poutine 4y ago
  I have a sol-ark 12k which allows for grid isolation and a bunch of batteries.
- nerdbert 4y ago
  Until a couple years ago we had a gas-fired tankless water heater which used a single D-cell battery for ignition, which had to be changed once every year or two. It wasn't connected to wall power at all.
  - alvah 4y ago
    There are, or used to be, Bosch tankless water heaters which used a small turbine connected to a piezo-electric igniter, no external power source required ever.
  - hinkley 4y ago
    But you need a blower or pump in order to circulate heat in a house. Hot water is better than nothing but it won't keep your fish from freezing.
nemo44x 4y ago
Why not install heated floors? That would be my choice in a new build.
- poutine 4y ago
  It's expensive and it doesn't cool. Also doesn't circulate the air. I have some fancy filters and humidifiers as part of the system I'm putting in.
  - nemo44x 4y ago
    It will certainly cost more, especially since you can’t share the venting and blower. But I’d get it quoted to compare. Electric systems have really come down in price per SqFt. Now your climate doesn’t get month after month of freezing temperatures so maybe it won’t be as dramatic but the energy cost savings can be huge. Plus the overall experience of it is the best imo. You could still circulate air with the blower running in fan mode and you may not need humidifiers as that’s the biggest negative to forced air heat imo. Curious which humidifier systems you’re looking at?
    - poutine 4y ago
      I got it quoted. Basically would be around $50k CAN for heated floors (it's a big house). Ducted mini split heat pump (2 units to handle the house size) was $60k. Central hybrid gas-heat pump was $30k. I put in heated electric floors in the bathrooms (about $1k each). Byrant has a humidifier (https://www.bryant.com/en/us/products/humidifiers/ https://www.bryant.com/en/us/products/humidifiers/) that integrates with the system. It also has integral HRV. As well as an air purifier: https://www.bryant.com/en/us/products/air-purifiers/dgapa/ https://www.bryant.com/en/us/products/air-purifiers/dgapa/ It's not a bad compromise for our climate. Currently living in a home I designed that has mini splits everywhere and I really dont like them. Not enough air circulation and it's really hard to balance given a well insulated house on mildly cool days which is very common here. I intend to always keep the fan going to circulate the air in order to clean (we have allergies) and humidify.

pinot 4y ago

Can't heat with gas without electricity, unless you have a genset or power wall kind of thing to provide epower.

poutine 4y ago
I have a sol-ark 12k which allows for grid isolation and a bunch of batteries.
nerdbert 4y ago
Until a couple years ago we had a gas-fired tankless water heater which used a single D-cell battery for ignition, which had to be changed once every year or two. It wasn't connected to wall power at all.
- alvah 4y ago
  There are, or used to be, Bosch tankless water heaters which used a small turbine connected to a piezo-electric igniter, no external power source required ever.
- hinkley 4y ago
  But you need a blower or pump in order to circulate heat in a house. Hot water is better than nothing but it won't keep your fish from freezing.

nemo44x 4y ago

Why not install heated floors? That would be my choice in a new build.

poutine 4y ago
It's expensive and it doesn't cool. Also doesn't circulate the air. I have some fancy filters and humidifiers as part of the system I'm putting in.
- nemo44x 4y ago
  It will certainly cost more, especially since you can’t share the venting and blower. But I’d get it quoted to compare. Electric systems have really come down in price per SqFt. Now your climate doesn’t get month after month of freezing temperatures so maybe it won’t be as dramatic but the energy cost savings can be huge. Plus the overall experience of it is the best imo. You could still circulate air with the blower running in fan mode and you may not need humidifiers as that’s the biggest negative to forced air heat imo. Curious which humidifier systems you’re looking at?
  - poutine 4y ago
    I got it quoted. Basically would be around $50k CAN for heated floors (it's a big house). Ducted mini split heat pump (2 units to handle the house size) was $60k. Central hybrid gas-heat pump was $30k. I put in heated electric floors in the bathrooms (about $1k each). Byrant has a humidifier (https://www.bryant.com/en/us/products/humidifiers/ https://www.bryant.com/en/us/products/humidifiers/) that integrates with the system. It also has integral HRV. As well as an air purifier: https://www.bryant.com/en/us/products/air-purifiers/dgapa/ https://www.bryant.com/en/us/products/air-purifiers/dgapa/ It's not a bad compromise for our climate. Currently living in a home I designed that has mini splits everywhere and I really dont like them. Not enough air circulation and it's really hard to balance given a well insulated house on mildly cool days which is very common here. I intend to always keep the fan going to circulate the air in order to clean (we have allergies) and humidify.