Heat / Discussions

What is your recommendation for an air source heat pump?

...heat pump. What do you recomend? I live in Hillside beach Manitoba....Thank you. To learn more about how to choose a heat pump see this page . I would point out...

Posted by Martin Dandeneau July 9, 2020, 2:30 p.m. Heating and cooling 3 Responses

Should I be considering 66 or 80 gallon heat pump water heater?

...heat pump water heaters But speaking even just for your domestic hot water needs, I would suggest the bigger one. The thing about a hybrid heat pump water hea...

Posted by Greg Anderson Dec. 19, 2018, 5:44 p.m. Plumbing and water heaters 1 Responses

Can you install tubing under a slab on grade foundation to extract heat in winter?

...heat pump be put under a slab on grade prefab form foundation kit to extract winter heat? We generally recommend people check with an engineer for any such matt...

Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 Responses

What is better for a small slab on grade foundation: water (glycol) or electrical radiant heat?

...heating in the mezzanine bedrooms and small bathroom? Thanks! Mark. The best radiant floor heat for any particular location depends on a few factors , namel...

Posted by Mark Dixon July 7, 2020, 2:56 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

Should I use an air source heat pump in a Passive House?

...heat pump ,HRV, Radiant heat in the slab and a wood stove. do I need all this or can I do it wish just the heat pump? Or can you advise me on a better system to...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

We are looking to build a slab on grade, do we need radiant heat?

...heated the space with a mini split heat pump and insulated beneath the slab would the floor be warm? Installing radiant heat in a concrete slab on grade floor w...

Posted by Scott Self Sept. 21, 2020, 10:34 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

In Ottawa, are geothermal heat pumps efficient?

...heating (GSHP) worth the investment for homes? And here is a page comparing the effectiveness of air source heat pumps (ASHP) and ground source heat pumps (GS...

Posted by John Ioannou July 20, 2020, 12:19 p.m. Heat pumps, geothermal and AC 1 Responses

Can you install electric wire in floor heat cables and cork flooring?

...heating cable laid under 4inches of concrete and I will be on time of day rates so the concrete heats up at night. I have R35 in walls and R60 in ceiling I am...

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 1 Responses

Air source heat pumps: Which brand has the best performance?

...heated floor to provide most of the heat, and we included a ductless heat pump on the second floor. We used the CS11M model from Direct Air. Both of those manuf...

Posted by Mike Brigham Jan. 22, 2020, 9:25 a.m. Heat pumps, geothermal and AC 1 Responses

How can I heat a bedroom above a garage?

...heaters (but still not fully effective). The question is whether there is a system that could be installed under my subfoor (I don't want to replace our existin...

Posted by Steve Dulmage April 30, 2020, 9:18 p.m. Wall assemblies - renovation 0 Responses

What is the payout for converting from gas heat to electric heat?

...heat given off by LED lights. What is good for Australia (getting rid of heat), is not as desirable as in Canada (wanting more heat). The heat loss between the ...

Posted by Fred Beaulac Jan. 24, 2020, 10:38 a.m. Heating with electricity 1 Responses

What is the best heat pump hot water heater for an all electric house?

...heat pump water heater we installed to help achieve LEED V4 Platimum in a demonstration home – Air to air heat pump and heat pump water heater working in tand...

Posted by Babak K Aug. 1, 2020, 7:07 p.m. Heat pumps, geothermal and AC 1 Responses

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

...heaters Air-heated slab floors Off-grid heating solutions Passive solar home design Choosing the right wood stove Off-grid living blog: heating system...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 3 Responses

What is the best underfloor insulation type for radiant floor heat?

...heating system). My main concerns and fire and offgassing. (ie; which insulation will not give off toxic gasses especially as it is heated by the underfloor hea...

Posted by David Irwin July 12, 2020, 6:48 a.m. Heating and cooling 1 Responses

Can south facing windows and glass doors, double glazed, be used to collect passive solar heat?

...heat, simple as that. The main design ‘features’ of passive solar heat collection are having a house oriented to the south, and ideally even triple pane windows...

Posted by Sue Whall June 5, 2020, 8:13 a.m. Passive solar home design 2 Responses

How do you add an Air Exchanger to a house with Hot Water Heat?

...heater core that absorbs and releases heat. You can see more here- Lunos Ductless ERV heat recovery ventilation systems Thank you. You got this almost exact...

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

Can hydronic radiant heating be a complete heating solution for a home?

...heat rises’, which is, in a word, wrong. ‘Warm air’ rises, but heat goes in any and all directions. With a forced-air heating system, some heat will find its wa...

Posted by Jeremy Peters Dec. 16, 2019, 1:13 a.m. Delivery: radiant, forced-air and decentralized 3 Responses

In the winter should you heat a low/dirt floor crawl space with a furnace vent?

...heating the part of the plumbing area cause any mold or other problems in the winter? No, its quite the contrary. Heating a crawlspace will prevent mold . But h...

Posted by janis hobson Dec. 11, 2019, 3:17 p.m. Crawl spaces 1 Responses