The Straw House Blog

Morso Stove Review

We’re very happy with our Morso stove. It puts out a nice even heat, lights very very easily and is quiet. Yes quiet. I’ve been around many wood-stoves that ping and pop and make all manner of noises as they heat up or cool down. The Morso does very very little of that which I suspect is due to the quality of its construction. It’s a solid little stove, there’s virtually no play in any of the moving parts, though there is a nasty squeak in the firebox latch. I’m not sure what to do about the squeak, can you grease a part that is that close to the fire?

Esthetically it’s exactly what I was expecting and everybody (so far) reacts very favourably to its clean lines, though Joanne says it’s a bit smaller than she was expecting. It’s very nice in that it isn’t the focal point of the room, it doesn’t demand attention, but it is pleasing to look at. A very nice addition to the room I think.

I’ve never used a stove that lights as easily and quickly as the Morso. It has two controls for allowing air into the firebox: the primary air lever has a very small throw and it used only while lighting the fire. The secondary airflow lever has a much longer throw and controls the burn temperature after ignition. I crumple up 4-5 pieces of newspaper, toss on a little kindling and a couple of small logs and the fire always catches right away. Even Joanne, who was worried (after watching my various travails with the cottage wood stoves), gets the fire going first try every time.

The firebox of the stove is very small (it’s a small stove), but I wasn’t prepared for how tiny it really is. If you are expecting to get a good burn going all night long in this stove forget it. I’ve also had to get used to cutting my firewood much smaller than I normally would. The Morso brochure suggests 12” for log size, but in reality 11 1/2” is a more realistic number - and the manual suggests 10”. I’ve also found that I need to split the logs a bit smaller than normal as well, just in order to fit more into the firebox. This could be an issue if you are getting your wood delivered from an outside source.

The small firebox does create one problem though, there is an annoying tendency for ash to leave the firebox when the door is opened. Either from overflowing over the grate or from the suction caused when the door opens. There is a lip on the front edge of the grate but it is only about 1 1/2” tall, and considering that Morso suggests keeping 1” worth of ashes on the grate that doesn’t leave much room. Consequently we find ourselves constantly cleaning up fallen ash and cinders. Worse if a log falls against the door while burning then when you next open the door you get a tidal wave of ash and cinders down onto the floor. If you open the door while the fire is burning you can actually get red hot embers falling onto the floor, or even onto the wood stored in the space below the stove. Not good. If we had carpet we’d probably have all sorts of charred bits of carpet by now, as it is this is a stove that pretty much requires a stone floor or a floor plate. To be fair the Morso manual only recommends adding new logs once the previous have burned down to coals, but that would be no defense against falling ash and cinders.

Speaking of the manual there is definitely room for improvement here as well. This is, by most people’s standards, a fairly expensive stove. Yet the manual is printed in black and white on cheap paper and while it does provide useful information for the installer is lacking when it comes to information for the end user. Indeed I had to read the section describing the separate uses of the pilot, primary and secondary air intake levers several times to discern their uses. Pictures and photos within the manual are small and not very clear - the downloadable PDF version is better. What I would like to see is separate manuals for installers and end-users. The end-user version would have bigger and clearer images as well some judicious copy editing. To put it another way, think of how much money most companies (and Morso is no exception) spend on their glossy brochures to try and sell you the product, but how little (comparatively) they spend on their manuals after you’ve bought their product. But then again I actually read (and keep) manuals so I may be in the minority here.

Overall we really like the stove, so much so that I’m already thinking of one of the slightly larger versions for our cottage.

     

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The Wood Stove

We have a wood stove. Installation was completed a couple of weeks ago and we’ve already had several small fires (it’s getting cool at night - that’s our excuse, not that we just want to play with the new stove). So far it looks like we’ve made the correct choice, the little box (and it is very little!) puts out quite a bit of heat.

Many thanks to Andrew at Renewable Energy of Plum Hollow in Kingston who made two trips out for the installation to make sure that everything was just right.


     

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Woodstove - A decision has been made….

We placed an order for a Morso 4600 woodstove today. Hopefully we’ll have it installed by the end of the month. Because, you know, it’s important to have a brand new woodstove in August.

     

Winter 2005 - Part One: She’s So Cold

It has been, so far, an odd winter. We spent most of December with the temperature hovering down around -20C to -30C at night. Daytime highs could get up to -15C or -10C if we were lucky. The second half of January was warmer, and February, so far (again with the so far!) has been positively balmy with temperatures hanging around the 0C mark. When it gets down to -30C the windows get frost on the inside, the dogs don’t like to go out, the vehicles don’t like to start and you can get frostbite on exposed skin in minutes.

October, November and December were also dark, so dark in fact that we went nearly 100 days without a full day of sun. Fortunately they were pretty windy months since the generator broke (the pull-cord snapped) on December 24th and I couldn’t get it fixed until January 5th. We went more than 11 days with no generator in December that’s a very very long time.

Once the temperature gets below -10C you can actually feel a very light cool breeze coming off the windows as the cool air falls down the inside of the front windows. And here we enter into one the problems with our house. We wanted the windows, we love the windows, we bought the best windows we could find. But in the winter we have a love/hate relationship with our windows. The problem, in a nutshell, is that we have too damn many of them. When it gets really cold the windows allow the house to cool too quickly - windows after all, even really good ones, have a pretty low R value.  As a result our floor system (which consumes a great deal of electricty, and propane) runs all the time on very cold cloudy days. The floor is unable to radiate heat as fast as we lose heat through the windows. This problem, we think, is a function of volume. The square footage of our house isn’t all that large (about 2000sq.ft. in the main house) but it is very tall, 17’ at the front down to 10’ at the back. We have a lot of volume.  We use fans to push the hot air down, but the fans use electricity. What we need is a method of quickly adding some heat, without worrying about it radiating throughout the day. What we need is a wood stove.

When we designed the house we added a re-enforced pad in the centre of the living/dining room for a masonry stove. We have since learned that a masonry stove would likely have been a grave mistake. If you don’t know a masonry stove burns a certain quantity of wood very fast and very very hot. It has a great deal of mass (they’re made of stone or brick) that captures that heat, holds it, and radiates it throughout the day. In most cases this would be a splendid idea, however imagine in our house if you woke up in the morning and it was cold and cloudy, so you lit a fire and burned 50 pounds of wood in 30 minutes, the stove starts a radiating a lovely warm heat. And then the sun comes out. Initiate evacuation procedure!

So a wood stove. But now we get into some serious issues. Firstly we only like modern stoves. Modern stoves are almost all quite expensive. And European. Now expensive is unfortunate but we’re willing to save for the right stove, because we are going to be looking at this thing for years. But European, now that’s a problem. Canada is a pretty small market, and most European manufacturers don’t have Canadian distributers let alone local dealers. So now we’re looking at importing a stove, and moreover buying and importing a stove that we have never seen. All the stoves look real pretty in the pictures, but it’s kind of hard to get a sense of scale from a brochure. I think I’m going to end up making cardboard mock-ups.

The stoves we’ve been looking at are:

In all cases these stoves are meant to heat a space of aproximately 1000sq.ft. and burn very efficiently. That’s should be enough to heat the main common part of the house. We don’t care so much about spot heating the bedrooms since Joanne and I both prefer sleeping in a room that is on the cooler side.

     

October Update

It’s been a pretty busy fall around here, we had the OSBBC house tour right at the beginning of the month, I’ve been very busy with various work projects and Joanne’s maternity leave has come to an end and she has returned to work.

Aside from my regular work (which has been going very well, thanks for asking) I just recently built a custom 6’ long version of my dining room light for Eurolite. I was somewhat apprehensive at first, I didn’t think it was going to come out very well, I was worried that the proportions would all be off, plus it would have to be hung from four wires rather than two. In the end though I was very pleased with the results, if I had enough plastic I would probably build another one for myself. There are some images of the custom fixture on the lights page.

The Tour

Given the weather (it poured rain most of the day) the tour went quite well. We had fewer people than we expected but still had around 75 people over the course of the day. Mom was on the door, Dad helped with tours, Simon and J.P. from Generation Solar, Peter Mack from Camel’s Back Construction, and Paul Dowsett from Scott Morris Architects were all answering questions, showing people around and handing out business cards by the fist-full. Surprising (to me anyway) was that the majority of people who came through the house had read the blog, many of them from the very beginning.

Afterwards we had a nice BBQ, Tina, Steven & Laurie & Malaika, and Regis (from the Paudash Lake house I worked on) all came by, a pleasant visit was had by all.

Final Grading

We have finally completed the final grading around the house, Eric was here last week and the week before dumping topsoil around the house and leveling it back out. The ICF"s are covered and the west and north sides are backfilled with topsoil. The east side of the house has been built up with gravel/sand from our pit - since we are building a deck on that side we didn’t see any point in buying topsoil.

The Floor

Dan Peel was here again working on the radiant floor system and it looks like we have finally got all of the kinks out of the system. We had been having a series of problems where the various aquastats on the hot water tank couldn’t read the temperature of the water inside the tank accurately and as a result the floor would rob all of the heat from the tank. This always seemed to happen right as we were about to shower and you wouldn’t find out there was no hot water until 5 minutes into the shower - and only then would the boiler come on. Over the course of last winter we also had two broken pumps and a malfunction in the boiler that kept it running for one month non-stop (before we clued in), these problems masked the underlying aquastat issues until spring of last year. But by then the sun was out more frequently so we decided to spend the summer thinking about the problem and Dan suggested drilling a hole through the side of the tank cover, through the insulation and placing a temperature prob right up against the stainless tank insert. That seems to have done the trick. We’ve had almost no solar gain for over a week now and the house has been quite comfortable. Thanks Dan!

Site Update

I recently purchased a Kill-A-Watt, which is a meter that shows how much power in Watts and Amps a device uses over time. It can also display Volt Amps (VA), Power Factor (PF), Kilowatt/Hours (KWH) and time (how long it has been plugged in). It has no data logging built in, while it is plugged it works, unplug it and it loses all data.

So I’ve been wandering around the house plugging all of my various tools and gadgets into the Kill-A-Watt and compiling a list. The list is ongoing but I have added in the values of the various lights around the house and posted it in the house section: Load Chart. As I measure more devices I will add them to the chart, right now it’s mostly just the power tools, and computers.

     

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The House in Pictures

I’ve put together an overview in pictures of the house from the day we broke ground (August 2002) to when we moved in (May 2003).


     

Extreme Cold

With temperatures dipping down to -30C (-22F) at night (colder with the windchill), we’ve had a pretty frigid couple of weeks. It’s cold enough that the dog’s paws hurt when we go for walks, cold enough that the oil froze in the pipe between my neighbour’s oil tank and his furnace, and cold enough that one of the hoses in our generator froze solid; one of eight the shop had seen that week with the same problem.

So how does the house behave when it’s his cold? Pretty well I’m pleased to report. If the sun is out the front part of the house will get up to 25C (77F) during the day and will hold most of that heat until we go to bed. Of course with the quantity of glass we have across the front of the house we do bleed heat, and the colder it is the faster that heat goes.

If there is no sun though the floor works pretty well. It can hold the house comfortably around 20C-21C (68F-70F), trying to go any higher seems a waste of propane, we just wear sweaters. Because the way radiant floor systems work it’s a ‘slow heat’. The slab is heated to a certain temperature and from there it just radiates (obviously). But we have a huge interior volume of air, much greater than most houses of the same size because we have such high ceilings. At its lowest point our ceiling is over ten feet high, at it’s highest it’s around seventeen. The floor just cannot react fast enough to compensate when the sun goes down. As a result we’ve moved a fireplace up to near top spot on the wish-list. We built a re-enforced pad into the floor to carry the weight of a masonry fireplace but have decided that what we need is actually just an airtight insert or a good woodstove. We need something that can heat the air quickly, but can also stop relatively quickly. The last thing we want is to light a fire on a cloudy morning in a masonry heater, than have the sun come out and have the stove radiating heat all day long. We’d cook ourselves out of the house!

I’ve been running around with the caulking gun sealing cracks and hunting for drafts, and there have been lots. At this point I have gone through more than three dozen tubes of caulking and I have one piece of advice for those building a house: the expensive caulk is worth it! Buy the best stuff you can find, we’ve used various grades around the house and we’ve had all sorts of failures wherever we used cheaper caulk. It might cost more up front but it’s worth it to save the aggravation and cost of having to do the same job twice.

     

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Rube Goldberg came to our house

Well you should see our mechanical room now. We have great soaring pieces of pipe, a panoply of pumps and pressure tanks all humming and burbling in their own ways. Evidently Simon ran into some trouble on Friday as the solar hot water system is still in pieces. Nothing involving fluids seems to go well at our place.

Here’s the way the system works. There is a submersible pump in our well which is 53 feet deep. The well controller runs off its own 48 volt line direct from the batteries. The pump feeds into a 30 gallon pressure tank which feeds our domestic water.

The hot water tank is actually a heat exchanger with two sets of coils. Both coils are closed loop sub-systems. The lower set of coils is fed from the solar hot water system. A glycol/water mixture runs up through the panels and then back down through the heat exchanger. The pump for that loop is fed from a panel tacked onto the side of the main panels. We call it the “pimple panel”.

The upper loop is fed from the propane boiler, which is capable of producing 140,000 BTUs. The upper loop heats both the domestic water and the radiant floor system. There is an aqua-stat on the side of the tank, if the solar hot water system hasn’t pre-heated the water sufficiently, the aqua-stat makes a request to the boiler and it starts to circulate its glycol/water mixture through the top loop. The radiant floor system is controlled through a pair of thermostats in the house and a pair of aqua-stats on the return side of the floor loops. If the ambient air temperature inside the house drops, or if the return mix temperature drops too low the boiler will fire and the floor pumps will start.

If it sounds complicated don’t worry, it’s much much worse when you look at it.

 

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I was gonna rant…

... but now I’m not. I had a big ol’ rant prepared on the age old topic of contractors who don’t show up. Except it turns out he showed up, at night, after we had left. Now I could deliver a mini rant on the subject of contractors who don’t call, but really I’m just happy to find out that the work is done.

On Wednesday my cousins Steve and Phil came up to help. Steve’s in visiting from Vancouver and it was the first time he’s seen the house. He seemed really impressed with the place, and with the land. Being city boys we all have trouble with the scale of 100 acres, Steve and I walked around a fair bit, but he seemed a little overwhelmed. Steve is a few years older than I am, when I was younger I worshipped him. He used to take me to see the Star Wars movies when they came out, and he loaned me his Eurhythmics, Human League, Heaven 17, and Thompson Twins LPs and 12"s. He dressed cool and he moved out when he was 17. That was a long time ago, but Steve and I have grown to be good friends so I was very excited to have him come out to visit.

His brother Phil (who is 5 years older than Steve) loaned me his Frank Zappa, Steely Dan, and Lynyrd Skynyrd albums. Steve and Phil more than anything else are responsible for shaping my adolescent musical tastes. Phil is far more handy than Steve, he helped us hang drywall, and hopefully he’ll be back next week to help hang more. We might even get him mudding.

We gave our notice two weeks ago and the landlord has already rented it out for June first. So we really are committed. Everything now is a milestone, everything is another immediate step towards the big move. This week we put up the mailbox, got most of the plumbing done, sanded a bunch more beams, urethaned the outside of the bathroom, put up drywall, and did a bunch of electrical work.

In addition Simon was in to plumb up the solar hot water system, and Dan Peel rewired the the radiant system to use thermostats out in the house in addition to the hydrostats on the return loops. The boiler has been replumbed so that it supplies hot water to the heat exchanger, and all of the pumps have been configured to work independently depending on whether the request for heat comes from the floor system or the tank.

They’re late but here are the pictures from Wednesday.

     

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More dead stuff

Nothing takes the edge off a really really crappy week like working with incredibly noxious chemicals. You betcha. We started sealing the concrete slab this weekend. This is the first chance that we’ve had to get it done, we had to wait for the heat to be working to apply the sealer. So now the fun starts. There’s months of marks on the floor as well as all kinds of stucco that spilled on the floor from the straw bale. So we vacuum, scrape the floor, sand and brush off any marks, vacuum again, and run over the floor with slightly damp towels. Then we apply the sealer. Only two of us can work because we only have two good masks, so Dad and I take care of the sealer and Jo and my Mom take the dogs for a walk. We do the sealer last, right before we leave, the fumes really are that bad.

We seem to have brokered a detente between the radiant system and the inverter. The radiant system is on a timer and is only allowed to come on every other hour. This saves us around 50% of the power but doesn’t seem to affect the heat. The catch is that we have to leave the inverter ON. Normally you leave the inverter in search mode, but unfortunately the relay in the timer requires line voltage to trip and the search pulse isn’t sufficient. We need to find a timer that is 100% battery controlled, one must exist, every timer we’ve found so far requires line voltage to trip the relay - or keep time.

The inspector stopped by on Saturday to check out the insulation, vapour barrier and our progress in general. He was happy with everything he saw. We had another neighbour show up this weekend as well, an older fellow, he and his wife moved to the farm about 6 lots east in 1945. He told us that he has kitchen cabinets in his house made from two Butternut trees off of our land. He invited us by to check them out. We rarely have a weekend go by without somebody popping in to check things out. Apparently we’re known in town as “The Straw House”. I’m sure we’ll be known that way for years and years. “Those city people with the straw house.” I’m looking forward to that.

The winter carnage continued this weekend. We found an owl by the side of the house, it looks like he might have flown into the big side window. It was a nice looking bird, I’ve never seen an owl up close before. So naturally, in our currently morbid fashion, I took a picture.