Efficient hot water / Discussions

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

...hot water circulation loop which keeps the source of hot water closer to the fixtures. That will shorten the wait for hot water when you turn on a tap, and help...

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

Should I install two small electric hot water heaters - ones or big one?

...hot water heaters, one at each end of the house or go with a larger hot water heater and locate it near the bedrooms and just run the hot water to the kitchen/b...

Posted by Shaun B June 28, 2019, 2:14 p.m. Hot water 2 Responses

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

...water heater? Heat Pump Water Heaters take in warm air from your home to generate hot water . Whether you power them with electricity of gas, how efficient they...

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

What does it take to get a water heater air-conditioner and heater mini-split?

...water heat pump water heater? Increased efficiency with an air source heat pump and heat pump water heater working in tandem A heat pump water heater will a...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 1 Responses

Can I see details about the heating and domestic hot water systems of the Edelweiss house?

...efficient and so we rely primarily on that to heat the air of the home. The domestic hot water is a heat pump as well, we used an AO Smith air-to-water hybrid...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 3 Responses

Is solar air heating for a floor as efficient as solar hydronic?

...water that is circulated through radiant tubing in a concrete floor will not be any more or less efficient that a boiler heating a water coil that blows air thr...

Posted by Ryan Johnson Dec. 7, 2020, 9:02 a.m. Delivery: radiant, forced-air and decentralized 2 Responses

What is the best type of home heating system?

...efficient . In fact, in your case it may actually be ‘less’ efficient since increasing the temperature of the concrete will increase the rate of heat loss to th...

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

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

...hot water (rather than hot air) through our radiant flooring; the up-front cost for panels and inverters is higher, but it seems to me the falling prices of PV ...

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

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

...efficient house May we ask where you are located? The level of success you would have using natural ventilation to save energy for heating and cooling would be ...

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

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

...hot water radiator system. Embarking on major renovations. How would you approach the heating/cooling of this house? I should have two heating sources, I've h...

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

...water heater with a coil of black PVC Pipe. That is a rather simple matter of having a coil of tube facing south to pump water through and then return to your...

Posted by Bill Loucks Oct. 5, 2019, 9:48 p.m. Solar thermal collectors 2 Responses

Should I build a basement or slab on grade?

...water heating, cooking, drying etc) So the whole house electrical load (heating, water heating, cooking, clothes drying - everything ) comes to under $600 a yea...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

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

...hot and cold air and clients won't call the back saying it isn't 'hot enough' or 'cool enough'. But systems that are over-sized for the space they service will ...

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