Passive solar / Discussions

How do you calculate window height and location for passive solar heating?

...Passive Solar Home Design If it's mid-September and you are calculating this now, does that mean you are still in the design phase or have you started buildin...

Posted by Daniel Gardener Sept. 12, 2019, 8:54 a.m. Passive solar home design 1 Responses

What is the Kenogami House heating system?

...passive solar heat. How well did that experiment work at collecting excess heat? It was also mentioned using the radiant hydronic floor, moving purposely heat...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 1 Responses

Can you dual-wire a house, part AC and part DC?

...solar power, grid-tied and backup systems. As we plan to build a house to Passive House standards, is there any way to get around building it exclusively with A...

Posted by Lee Watt March 17, 2019, 12:17 p.m. Solar photovoltaic 1 Responses

What is the right amount of insulation for a house?

...passive solar orientated house with double walls or Larson truss (either would have dense pack cellulose) on a slab foundation with radiant in floor heat. I saw...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

Is an HRV or ERV system best in a cold climate?

...Passive House spec without it costing a dime extra overall" house next year in Northern Minnesota as we will then be fitting PV solar panels to bring it to zero...

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

What are the most cost-effective green building strategies in new home construction?

...Solar panels – Whether you will save money with solar panels depends on your local utility costs as well as the cost of installing solar panels in your region. ...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 2 Responses

How do you design and build a green home on a very small budget?

...passive solar on my college program just to mention that. I would love it if some one would say this is what you need, get the land and it'll cost $100k, get sa...

Posted by Paul Squire Nov. 8, 2018, 8:25 p.m. Concept and design 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...passive solar heat from the south facing windows in winter, avoiding having to put too much heat in to keep stuff from freezing. There's a bed of compacted grav...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

Are there any updates on the progress of the second demonstration house?

...solar air panels that is new at this point. We expect to see about 60-70 % of the heat load but we won't know for sure until next winter and we're pretty excite...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

Can I use a solar thermal water heater to heat my pool in the summer and the floor of the garage that I am going to build?

...Solar Air Heater Solar Thermal Water Heaters Solar Radiant Heated Floor Kit - Slab on Grade for LEED, Passive, ZNE Heating a Swimming Pool: To...

Posted by Bill Loucks Oct. 5, 2019, 9:48 p.m. Solar thermal collectors 1 Responses

Does hydronic radiant cooling work?

Has hydronic radiant cooling advanced enough to be a viable, cost effective option for an average 2300 sq ft residential house? Hydronic radiant cooling can be...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is your experience and thoughts on pre-fab wall assemblies?

...passive house standards (not seeking certification though). We plan on having solar panels and will be only on electricity, no natural gas or propane. Our desig...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

Where can I find building plans for an eco home?

...Passive House and LEED certified prefab kit homes available that may meet your needs, other than that we would recommend you look through our building guide pag...

Posted by Derek Kittilsen Aug. 4, 2019, 12:09 p.m. Planning and Design 1 Responses

How do you install a ground loop for an HRV?

...Solar energy gain is available to the SHWH. Is this theory correct or am I missing something on the way the system works, or is it simply to cost/complexity p...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

How well do Legalett slab on grades work?

...solar heated floor). 4) Is there any reason you can think of why the County of Prince Edward would have any issues with issuing a permit for, inspecting, and ...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

If a passive house is designed well is it worth the extra cost for Low E window coatings?

...passive heat gain, so you want the highest R-value windows possible to reduce heat loss. And remember that maximising your southern exposure for passive heat ...

Posted by Joe Van Kuren June 7, 2019, 8:37 p.m. Passive solar home design 1 Responses

What is the best way to heat an off grid home?

...solar-heated air panels feeding air tubes in the slab floor. Solar air heating panels are a lot less hassle and risk than solar water heating panels, and a lot ...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 1 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...solar collection potential). Am I crazy? Brian We haven't seen any great results when trying to marry solar air heaters to an HRV . To achieve a similar resul...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses