This Old House | Energy Saving Installations (S40 E12) | FULL EPISODE

today on this old house our solar panels start generating electricity to deck bad scramble to get this entire landscape installed and our homeowners get an introduction to induction what happened to all this plumbing here I've never seen anything like this before there's already rock going on in that trunk so what have you found up here well a bit of a surprise it's really the classic plumbers lament I see this main roof form we're just gonna pull that forward to a feeling where this existing deck is definitely says been century modern money's in the detail that is beautiful [Music] [Music] their capital Connor and welcome back to this whole house here in Jamestown Rhode Island and what was once are a little rundown bungalow for the 1920s well today it is a beehive of activity as we try to get it wrapped up by next week you can see the painters are on site we have got some slate going around our gas fireplace right there we've got the beautiful accent wall over here Chris how are you we've got the railing going in to match the white oak detail right here and if you just pop into this room this is sort of a little private space it's gonna be a television sitting room sort of a sanctuary way for the main house dark colors that kind of bring you down a little bit and then as you come out of the living space it's up a couple of stairs into a beautiful kitchen and you can see that it's pretty far along we've got countertops and cabinets in Dana how are you I'm very well and in addition to the countertops and counters cabinets we've got the appliances coming in today that's right and we're so lucky to have a will a chef from Puritan and company well nice to meet you to teach us how to use this beautiful induction stove all right well I'm looking forward to that but first how did you end up with the decision to go with induction well we're making electricity right here on the roof of the barn yes so we want to use electricity for all of our appliances and it's part of a NetZero house this is the most energy efficient option cool all right I thought maybe you bought it because it came with a chef so well tell us about induction just give us the basic sort of us how this thing is working because it's kind of magic right I don't see a flame and often times I don't even feel the heat yeah so I mean induction in itself you know starts off with magnets I mean that's kind of the the base science of it and when you're choosing your cookware to be able to go on top of it you have to choose something where you know a magnet will actually stick to it so you look at this pan right here magnets not really doing anything but you look at this guy right here and boom so pots that are say like aluminum or copper those aren't going they're not gonna work so you've got to choose that you know the right pots and you know nowadays this is a little bit more prevalent in home kitchen so you know you know manufacturers of different pots and pans are actually making induction lines right you can be ready for it but the really kind of my favorite part of cooking on induction is the magnets the way that they heat this this pot of water we can boil in less than five minutes let's turn this thing yeah so no talking so this guy right here we're gonna do the crank all the way and if we hold it take it to the absolute top setting that we have right there so this is the indicator right here that that one is on yep okay and so you can see already in the bottom of that pot there's these little bubbles starting right there which is usually you know in a normal gas or electric stove that's gonna take you you know seven minutes just to get to that part of it so what's going on underneath that pot right there what is actually being created it causes the heat so it's really basically the connectivity of the electricity and the magnets which is going to kind of hyper boil and hyper heat the molecules in here and the actually what I think is the best part and you know we're not at a full boil here yet but you can actually slide this right off that's ridiculous your hands so you got you got kids at home you know worried about somebody reaching up here they want to get involved in the cooking you can put your hand pretty much right on top of that I can feel some heat you can feel some residual heat that's coming from that but nothing like you look at I mean it's on but we can put your hand right on top not see well that is really cool you put it right back on you can see that change right up tells you that it's back on the highest setting you're good to go so you like it Dana because we're talking it's gonna help us with Net Zero the efficiency you love the speed do we have any sort of health issues to worry about anything you concern with no I mean I think that you know for me as a chef you know speed is gonna be the number one factor of being able to get things you know really really hot but secondly I mean one of the things we're gonna do today is poach some eggs is controlling heat so it's not just about flicking it on taking it all the way to the top you know full max all the time it's about being able to keep you know whatever water you have here for more delicate things like poaching eggs at just the right temperature and with these settings right here you can dial it right in and you're good to go so speed and position and I am good to go what are you cooking for us because we got a meal coming our way yeah we're gonna actually do like a little brunch pasta so we've got some basically carbonara with asparagus so we'll have some bacon some eggs a little bit of Parmesan cheese asparagus and I think it's to be a nice little thing to top off with some poached eggs you had me at bacon let's go I've got that boiling water ready to go we've gonna add our pasta in here you know I like to leave it whole and then as soon as it starts cooking you're just gonna push this down you already see the noodles starting to go down just like that I like a nice long noodle when I'm eating a pasta dish so you know none of this little short stubby guys like a long do exactly so you know you can see that like you know anytime you add anything to boiling water it usually takes a really long time for there to be recovery so in this case what we're doing is you know on top of the induction the recovery is so much faster so this is already back up and boiling again so while we're waiting on that it's gonna be about ten minutes in there now really if you think about how fast the induction is bringing the water to a boil it's not actually gonna cook the food in there any faster so it's not like a microwave technology it's just actually for how it heats everything on there so this isn't gonna change any cooking times if you're reading like on the back of a label or anything like that or a recipe and it says that whether it's the you know inside or it's the top cooking time is gonna be just the same the amount of time it takes to get your pan hot or your food hot that's different take our bacon right here we're not gonna add any oil butter or anything like that in there because Bacon's gonna render out so really what we want to do is make sure that the bacon starts to release the fat that's inside of it we've got our cut asparagus now you can sub this in for any vegetable you like then you just take your egg lower it down in there see all that starts coming off the bottom that's what's gonna give you a lot of flavor in here it's been about you know 10 minutes on our pasta here all right guys he's in there no guys I'm on the truth everybody dig in get that egg mixed up here into the whole equation what do you think we think guys good yeah very delicious first meal in the pow'rs new house huh how does that feel data right excited for next week setting the bar higher it's great right so I come with the house now right is that how this works yeah enjoy the kitchen for months we've been talking about our solar electric system the photovoltaic here at our Net Zero house in Jamestown well today is installation day dan Garrity is heading up our crew that's been very busy installing solar watch okay good morning Richard how are you you ready to go today we're here today's install that alright awesome so take us through what have you done so far alright so far we've we put the skirt down we put the mounts up and we've ran some conduits and now we're getting the panel's prepped ready to lay them down on the roof so there's one of the mounts here yes so we're sitting here what a mile from the ocean the wind can get pretty strong this will hold them onto the roof that's right this right here is gonna torque down onto the panels and this right here is gonna this is a lag that's gonna go into the rafters to make sure it doesn't pull off really get a good bite so we put this through here and once we put everything in its watertight just flash is gonna sit underneath the shingles we sear and lift up the shingles and slide it in alright good so that won't leak now I notice that the wood shingles don't go the whole way all right so this racking systems it's meant for asphalt shingles The Home has cedar shingles they want to continue with that theme so everywhere that's you're not gonna see solar panels they put some cedar shingles around it and why pay for the cedar shingles if you never see them ever in this life exactly good idea alright so you're up there on the roof with a safety harness I'm glad to see that we've got our mounts in right now let's run through an example of how a mount installed okay alrighty so on the CAD we know where each mount has to be we're gonna find the rafter right now we do a little sound test sent it through put a pilot hole in we're gonna pull up this shingle right here slide this through we've got some sealant on it you do some cocky or something here underneath and now here's our lag we're gonna impact that down into the raft beautiful so this is the panel prep process alright this is the back of a panel here this is an optimizer what's that do optimizer is basically the brain of the panel so that communicates with the inverter back before we had optimizer say if the shade went over a panel of panel wasn't producing the entire string would not produce like knocking out one light in the stream so now it's the brain it's just gonna balance off of the panel production so that's an important part so now we're ready to put these up on the roof good so these panels all going to be connected one to another yeah so you see we've prepped all the leads right now you connect one end to the other and it's just one big long string one big series what we're seeing on the roof we've seen before this is a solar cell used in the RV industry simple cell and these little silica chips right in here when the sun's rays come down onto it it excites electrons and that's sent out as direct current here and that's the kind of you'd use with a battery so when the Sun is out we can make electricity it's a pretty cool miracle all right so all of our panels are connected is this the moment of truth everything's on right now switch is on Solar is happening so we have this is it an inverter and this is going to invert DC power into AC power so we have the DC power coming in coming out as AC power and any excess power that the house is gonna be used is gonna be dispersed back into the grid all right so what are we making on a day like today it is a sunny day right now cranking or about 4,000 watts so about 4000 watts would more than carry all of our air conditioning load and much of the house yep I can't wait to actually cool the house for free and make that meter spin backwards exactly great job yep thank you our homeowner put a lot of thought into the details on his porches from these rafter tails that are just decorative to the flared columns here that he designed himself and today we have one more detail that needs to be addressed hey Jeff Kevin oh yeah all right so we've got three porches on this house and they all need lattice and you and Don or like mind you do not like what's out there traditionally available right yeah I mean this is kind of the standard order here you can really go square or diagonal in the world of lattice and we like to do something a little different with every house so I encouraged Don to come up with a pattern that was sort of indicative of the theme of the house yeah so he did a hand sketch a little conceptual design with some Viney type of thing and we took that to our friends that have CNC table and we converted that schematic into eight AutoCAD drawing and that in turn talks to the CNC machine to cut out our pattern and what's that cutout process like so the CNC machine picks up a series of drill bits basically and brings it over and it starts with a larger bit and takes out the bulk of the material goes through the whole process then it comes back to the next size bit cleans up a little bit more and then gets a fine bit to get all of the finishing touches it's really amazing to watch and so what was the material that you cut the pattern out of so we chose half-inch MDL plywood which is waterproof and that way we can paint it black to match the rest of the trim well I mean it is not hard to improve on the basic choices that are on the shelves these days but I'm dying to see what your improvements we came up with is great so there's that vine theme you're talking about and speaking of detail I mean look at that a little bit of a V groove there to give the illusion of the end of the vine chamfered edges nice and smooth and crisp throughout that's really sweet that's cool and this is the M do this is the M do 1/2 inch M do so it's a waterproof material and then 1 by 4 primer a data pine on top and that gets painted black and you just make as many panels as you need to fill in underneath all the porches you've got a little PT frame so what's the idea that we're just gonna put it right up here so that goes right up against that one how classy does that look huh can we get this in right now we can put it right in all right so we're gonna put this in with stainless steel screws with finishing washers that way if you have to take it off you can get access to it that's pretty smart before you set that second one Jeff if you'll just tap it to me a little bit a lot of bottom to me yep touch more nice that's that's it okay look at that for a second thank you nothing huh and so we've got enough panels for all three porches obviously love the black love the little shadow lines that are created a huge improvement over just a stock lattice where Don's gonna be happy with that yeah [Music] this is about the time of the project where I always want to remind people about the importance of ventilation you can't insulate if you don't ventilate how are you going to replace all the air in this building did you spend so much money to heat and cool without wasting energy remember what we went through to insulate this house to meet its net zero energy goal we have layer upon layer of insulation and air barriers making the house incredibly tight but when you turn on a bathroom fan or a kitchen rangehood where is that air gonna come from this is an energy recovery ventilator also called an ERV now this unit would mount in the attic or in the basement and what what happens inside is pretty interesting it has an important piece right here called the core if you look at it close up it's got air passageways and go this way or in this way in the opposing direction and it'll actually transfer both temperature and humidity this surface is actually permeable to water so in this house we're going to take air from the bathrooms the kitchens or places where there might be smells or contaminated air and pull it through this heat exchanger right here to sending it to outside but at the very same time there's another fan bringing fresh air in the opposite direction across the core to inside the building now this transfer is pretty interesting let's take a winter day you've got 75 degree air leaving the building but you've got 32 degree air coming into the building well it'll actually pick up some of that temperature that you would have sent to outside and you could get the fresh air coming in up to about 59 or 60 degrees you're not gonna get it all but you're gonna get most of that heat you paid for the other thing that happens is humidity can be transferred high humidity goes to low you wouldn't want to have the humid air that you have inside the building in the winter that you've tried to get humid and have really dry air from outside come in you want to keep that you meaning in the building and that does that so what I've done to help understand how this passes through is do a sort of a fun test to show you how the air might pass through the core in opposing directions so what I've got is a couple of smoke sticks what you see is that the air passes by each other but doesn't mix his red his blue the Reds League leaving over here the Blues right here they don't mix but they do transfer a temperature and humidity and it's critically important to have both of those things right in any super tight house like this a NetZero [Music] so Jeff has finally released the yard to the landscaper and he has a lot to do before the homeowners move in hey John hey Jim how's it going how are you doing pretty good thanks so what's going on over here over here we're laying some Black River limestone it's a new product that we haven't worked with before so we're following the manufacturers recommendation for the installation method which is a little different than what we're accustomed to because typically we go dry late bed right right normally we'd have gravel and sand and then we would lay these dry which means without the mortar but in this in this case we have this fabric here underneath the entire hole and what this does is it sort of wraps everything together helps it to move with the freeze/thaw cycle here in New England and then we have some crushed stone as a base which is a little muddy today because we've had some rain and after the crushed stone we have a mortar setting bed which is 3 2 1 sand to type 2 cement mortar and the process over here right behind you is to then paint the bottom of the stone with this Ardex product which is a sealer and in the bonding agent and that would just get applied right to the stone and after this is all done and all coated the guys would take it flip it over set it in place they would tap it make sure it's level make sure the pitch is correct it looks beautiful I mean I really love the color of stone – yeah it's a little dirty today but when it's clean it should it be great Jenn here we have more hardscape going on I really love how the black plays off all the other black I'm like the arbor coming in with the picket fence and all these perennials yeah there's a Annabelle hydrangea which are awesome for snow cover cuz they'll go dormant during the winter right and some ornamental grasses here a nice styrax tree and here we have the crew finishing up with one privet left to install yeah this is a hedge we moved earlier it lived where this fence was but change the landscape we transplanted the hedge down the road and now we're putting this last privet in to complete the hedgerow okay so we're gonna take off the burlap then we backfill okay and they're careful to make sure that the top of the plant even with the great around it right so it's perfectly planted and level yeah and then you want to water it deeply you want to let the water drain out so the air can get to the roots it's actually easier to kill the plant by over watering it exactly than under watering and that's a common fallacy over here Jen we have tucked in this bed the irrigation well that was installed last week this is going to service the whole site's irrigation system right and late August in this part of the country you really are gonna it's gonna be helpful to keep the vegetation alive absolutely it'll keep all the grass lush and the plants are healthy that's beautiful Jen here we are at the end of the job we're laying the sod now yeah this is the same sod that we saw cut the micro clover last week yes it is and all we have to do to prepare for it is spread the topsoil break it out smooth roll out the green carpet pull the seams tight and give it a little water it really finishes the project it is it's just it makes everything pop nice nice touch so Jen fresh cut installed the same day this side looks as good on our properties it did on the farm don't you think absolutely 100% alright so John about a week to go you're gonna get it done for us absolutely 100% and mr.

Sweeny your this is bigger than anybody's what do you think the house gonna be done by next week a couple of long nights but we'll get it done all right that's the quiet confidence of a guy who is gonna get it done and it will be done in one week so come back and join us so until next time here in Jamestown Rhode Island I'm Kevin O'Connor I'm Jeff's winner I'm Jen the water I'm John's Isle through this old house let's get on it [Music] next time on this old house boy oh boy you must be excited the house is beautiful excited thank you we couldn't be happier three months our goal was to turn this 1920s bungalow into a modern family home that creates as much energy as it consumes if we've done our job this Nets era house means that the meter will be back at zero at the end of one year we turn the house over to its architect owner and his family and we can begin to see if we met our goals.

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