You are in line with classic passive strategies where window/door coverings (low tech) or building architecture (roof overhangs, solar shading fins, site orientation, etc) allow maximum solar in winter and less exposure in summer.
-Andy *B E N N E T T* On Mon, Feb 27, 2023 at 4:47 PM Sara Mattes <[email protected]> wrote: > Thanks Andy, > I have spoken with all the usual suspects-all those manufactures reps and > distributors. > The bottom line, to date, is that there seems to be a huge trade-off in > holding in heat, and allowing in sun for warmth. > The loser in this is the solar gain. > > My old-school approach has been to have blinds open when there is sun, and > closed when there is not-works pretty well. > The house is 70-72 degrees inside when the sun shines, regardless of how > cold outside. > > It would be nice to know that I can update my windows and sliders without > losing all that wonderful warmth/free heat we now enjoy. > > Sara > > > > > ------ > Sara Mattes > > > > > On Feb 27, 2023, at 4:33 PM, Andy Bennett <[email protected]> wrote: > > The development of solar control glazing is constantly changing due to the > ever evolving energy conservation codes. The most recent double-glazed IGUs > (Insulated Glazing Units) use a low-e (low emissivity) coating to moderate > thermal radiation gains and losses. The typical cold climate unit places > the low-e coating on the 2nd surface, there are four surfaces in a > double-glazed IGU with surface 1 being the outermost or > outside exterior face and surface 4 being the innermost or inside interior > face. Recent advances are looking at further improvements in solar gain > without the loss of interior heat during cold months by combining low-e > coating on surface 2 (typical) and surface 4 (new and improved). Here's a > link to help explain Thermal Insulation (pilkington.com) > <https://www.pilkington.com/en/us/products/product-categories/thermal-insulation> > > Residential windows and doors are a limited market for advanced glazing > compared to commercial, but this is changing because of the more stringent > building codes being enacted. Pella and Marvin are highly reputable > manufacturers and their local representatives can aid in addressing your > needs and I am confident they can address your concerns/questions. > > https://www.pella.com/performance/energy-efficiency/#glass > > https://www.marvin.com/blog/a-guide-to-understanding-glass-performance-and-types > > -Andy > *B E N N E T T* > > > > > > > On Mon, Feb 27, 2023 at 3:25 PM Sara Mattes <[email protected]> wrote: > >> Hi Belinda, >> I will not be able to attend and will look for a recording. >> I do have a question. >> My house was designed in 1978 to take advantage of solar gain through >> glass (double paned, unglazed), in the winter. >> I was unable to find replacement windows and glass doors that do not >> block a significant amount of solar gain/warmth in the winter. >> I understand the desire to block sun in the summer, but the dramatic drop >> off of solar gain in the winter in new windows, versus the old is marked >> and disappointing. >> >> Perhaps the speaker would explore this dilemma. >> >> Sara >> ------ >> Sara Mattes >> >> >> >> >> On Feb 27, 2023, at 12:11 PM, Belinda Gingrich < >> [email protected]> wrote: >> >> <MW88Classic.jpeg> >> >> Getting to Zero Series! >> #2 Windows >> February 28th at 12 pm >> >> Does your home have leaky single pane windows? Do you wish for a clear >> view of the outdoors and a fresh look for your home? Window science has >> advanced and replacements to tighten up your home can make large >> differences to comfort. Tax incentives are available! >> >> Upgrading Windows, the second presentation in the Getting to Zero series, >> will be given by Patrik Muzila, President of European Architectural Supply >> in Acton, and resident of Lincoln. Patrik will talk about the benefits of >> upgrading your windows and what options to look for. >> >> You are invited to a Zoom meeting. >> When: Feb 28, 2023 12:00 PM Eastern Time (US and Canada) >> >> Register in advance for this meeting: >> >> https://us06web.zoom.us/meeting/register/tZIqfuuprT0jGdJIVXZrWjBhYJX7oefTkGBK >> >> >> After registering, you will receive a confirmation email containing >> information about joining the meeting. >> >> >> Don’t miss upcoming presentations! >> #3 Go with Solar >> #4 Getting to Zero: The Historical Home presented by FoMA >> #5 Install Heat Pumps >> >> The Getting to Zero series is presented by CFREE, a working group of >> Lincoln’s GEC, helping resident’s affordably achieve energy-efficient, >> electrified, comfortable and healthy homes. >> >> https://www.lincolngreenenergy.org/ >> -- >> The LincolnTalk mailing list. >> To post, send mail to [email protected]. >> Browse the archives at >> https://pairlist9.pair.net/mailman/private/lincoln/. >> Change your subscription settings at >> https://pairlist9.pair.net/mailman/listinfo/lincoln. >> >> >> -- >> The LincolnTalk mailing list. >> To post, send mail to [email protected]. >> Browse the archives at >> https://pairlist9.pair.net/mailman/private/lincoln/. >> Change your subscription settings at >> https://pairlist9.pair.net/mailman/listinfo/lincoln. >> >> >
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