Ductless / Discussions

Has anyone used Lunos Ductless HRVs in Alberta and passed inspection?

The home inspector is looking up if anybody in Alberta has used lunos and passed inspection. We don't know of anyone that has used them in Alberta unfortunatel...

Posted by Michelle Dimaano Nov. 4, 2019, 12:41 p.m. HRV and ERV 1 Responses

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

I need a 3 or 4 zone ductless air source system in the 24,000 BTU range. Suggestions? When looking for a heat pump for a home, we would recommend checking th...

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

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

I am proposing to install hydronic radiant heating on my subfloor to take it up a notch as I was also planning to install a ductless heat pump system. On furth...

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

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...ductless HRV system for renovations can be a pretty appealing option since you don’t have to install duct work all around you house, you just need to run some l...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...ductless system with a zone for each floor? -hydronic underfloor heating for the main floor (seems feasible to install from basement ceiling) -new electric ...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

How do you get rid of mold in a bathroom?

...ductless HRV unit instead, see here for details . There's also a video on how easy these ductless retrofit HRV units are to install in an outside wall . In th...

Posted by Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses

What is the best type of heating system?

...ductless heat pump which operates at 3 times the efficiency , and I may stick a tiny radiator in each bedroom just to be sure. That way I get air conditioning o...

Posted by Jennifer Doll Jan. 20, 2020, 11:59 p.m. Heating and cooling 3 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...ductless wall-insert HRV .

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

Lunos HRV - where can I buy them and get advice?

...ductless HRVs are only available through 475 High Performance Building Supply , I would contact them to purchase them as well as ask any questions about install...

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...ductless mini-split heat pump that operates in coolin g mode , but the house stays cool enough without even using it.

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses

What is the optimal setup for mechanical systems for slab on grade?

...ductless mini-split heat pump is sufficient. It also depends on what you call comfortable - if you want to bring the temperature down to sub-arctic levels throu...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses