Radiant heating / Discussions

...heating systems shut off instantly. Also air heated radiant floors don’t overheat as much as liquid hydronic under floor heating due to the fact that air cools down much faster than water, so they tend not to overshoot the mark. Here you can compare various in floor heating - Which under floor heating system is best; l...

...radiant heating system: convert gas boiler to electric? Gas boiler still chugging to heat home, but would like to switch away from gas and get solar panels.  Is there an electirc boiler that could replace the gas boiler? You can for sure convert from a gas to electric boiler for radiant heat. Gas heating in homes is be...

...heating in the home. Heat pumps are the most efficient heating system, so with that combination you would have an efficient source of air heating, your feet would not be too hot or too cold, and for the spring and fall when you may want a bit of heat in the house and not heat the entire floor you have that in the heat ...

...heating bills?  

I watched your videos with much interest but wasn't sure about the "trench" type perimeter "grade beam" in terms of supporting the house structure, and the fact that I have bedrock (Lake Huron / limestone) 18" below the surface. Wouldn't a poured perimeter wall down to bedrock be a better approach - before pouring the ...

...heating season. Ideally it would be great to compare the operational heating costs with the assist of the Solar Panels, to the cost of using the heater box alone. I also look forward to reading about the savings generated by diverting heat to warm the water tank.  The Legalett air heated radiant floor is a closed loop ...

I live in a cold climate - Winnipeg Manitoba, and intend to install radiant heat in the concrete slab. As my basement is below the frost line, I’m not sure if insulation is necessary, but want to know what the experts think. If insulation is required, how much and what type is recommended? You absolutely need to instal...

Can tubing for a ground source 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 matters, but that shouldn't be a problem at all. Installing tubing for a ground source heat pump (GSHP) under slab on grade foundatio...

...radiant heating, you can get a quote here.  1) What are some potential issues with the approach? None really. In certain cases this system can be more expensive than others, in other cases it can be cheaper  when you factor  labour, excavation and other soft costs.  Legalett fully engineers a solution to match your pla...

...radiant heat delivery. Since you are building this yourself I assume you have building skills and ingenuity, so I just wanted to pitch you the idea of somehow incorporating mass (stone or brick perhaps) to increase your comfort and efficiency.  You may have seen them already, but below are a few pages about solar air h...

...radiant floor heating, or the air system that Legalett uses. I am also wondering how much rebar should be in a slab on grade floor and if it's okay to have the perimeter touching the ground without any insulation beneath it?  The most cost-effective system to deliver in-floor radiant heat would in your case depend on h...

...radiant cooling advanced enough to be a viable, cost effective option for an average 2300 sq ft residential house? Hydronic radiant cooling can be done, but we would strongly advise against doing it in a humid climate. So we're not the ones to check in on about pricing since we aren't advocates of it as a technique to ...

I am most curious about the effectiveness of the air tube floor heating system. The house is now standing, it is the first house built of our new prefab modular kit houses available across Canada and the US. you can see a full break down of the mechanical systems, energy performance and total carbon footprint on this p...

...heating in basement, geothermal heating (closed loop, 6 wells 200 ft deep), triple E argon windows, R50 attic insulation, etc. However, the coax coil in the geothermal system has rusted out which I understand the system need to be replaced.  It also did not help that the unit, an Altlas Essentials? was made by a compan...

...radiant floor heat, the efficiency isn’t affected as much by the delivery system, meaning whether it is an air heated floor, electric mat radiant floor, or liquid glycol hydronic radiant floor. What matters most is the amount of insulation below the floor and the fuel source, whether that’s gas or electric. You may hav...

...heating?  We will just be putting a Woodstove in and don't want in floor heating but I'm concerned with moisture from the slab and having flooring over the concrete causing mould issues.    A polished concrete slab on grade, or any basement concrete floor, will feel cooler to the touch than wood or other flooring mater...

...heating, and a concrete floor is one of the best surfaces to collect and store heat. But the energy gains are not nearly significant enough to be worth living on a floor that you just don’t like. You may have seen this already, but here is our page on passive heating – Passive solar heating - how to warm your home with...

...radiant floor is a great idea. Have a look here at our air heated radiant floor page, this design has a lot of thermal mass which would be great for balancing heat. we also have a guide on installing a hydronic radiant heating system in your home. The wood stove would be a nice addition, but you wouldn’t really need bo...