Mechanical systems

Should you keep duct work out of the attic?

Posted by Frank Liu July 23, 2020 Ventilation 1 response

In Ottawa, are geothermal heat pumps efficient?

Posted by John Ioannou July 20, 2020 Heat pumps, geothermal and AC 2 responses

What is your recommendation for an air source heat pump?

Posted by Martin Dandeneau July 9, 2020 Heating and cooling 4 responses

Where can I find salt water batteries?

Posted by S Conrad June 23, 2020 Renewable energy 3 responses

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

Posted by Bob Engelhart June 17, 2020 Ventilation 4 responses