Efficiency / Discussions

What is the best material for building plumbing?

I'm upgrading all plumbing lines. Which material do you say is the best to use for residential plumbing? Copper, PEX, others? You will often see Pex tubing in most new home construction nowadays since it is so much faster and cheaper to install than copper piping. The main speed advantage with installing pex tubing com...

Posted by Babak K July 17, 2020 Plumbing and water heaters 3 responses

Is it common to insulate the Plumbing lines for modern buildings?

...efficiency tips for homes.

Posted by Babak K July 17, 2020 Plumbing and water heaters 2 responses

What is your recommendation for an air source heat pump?

I have a 36' x 36' cottage style bungalow with 2 x 6 walls with spray foamed 9' walls, vaulted southern kitchen and living room with passive solar window design and 6' overhang on south& west walls. 1 1/2" R 7.5 styro on the outside of exterior walls as wekll as 4' pony wall crawl space. Electric forced air duct sy...

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

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

...efficiency zero net energy homes - video In our 2015 demo house build  (the LEED V4  Platinum Edelweiss House) we used the Mitsubishi Mr. Slim Mini-split heat pump as seen in the video on that link above, and we were really happy with it. That one is not ducted, and it has an infrared sensor that tracks occupants to pr...

Posted by Mike Brigham Jan. 22, 2020 Heat pumps, geothermal and AC 2 responses