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41 Comments

1. john says:

   January 28, 2018 at 9:48 am

   Bought a insert m55 and wasted $7000 .From service i recieved from sheerwood industries to over inflated parts .. always a issue

2. Dale says:

   December 11, 2017 at 2:24 am

   After owning a few other brands, I purchased the M55 and has had less cleaning, more btu (which can cause increases in pellet consumption) but considering is more efficient (BTU output to pounds burnt) than my old brand of stove. Easier to clean with 4 to 5 parts and done. No problems. Very happy

3. Rich says:

   November 29, 2017 at 12:31 pm

   This is my 3rd winter with the M55 FS pellet stove. It heats great but became very noisy a month after purchase. It is a high pitch sound which I believe is cause by the convection blower.

   I received very little help from the dealer. I was a bother to them. Not going to go into it. Unfortunately, there is no why to contact Environ. You are stuck with the dealers response. So, I guess I will have to buy a new convection blower ($275) and hope that works. An almost $4000 shame.

4. Edward Patrone says:

   November 27, 2017 at 3:39 pm

   Hi. If considering to buy an Enviro m55…Do not. I am writing this now because everyone who buys a stove will encounter at least a few of these problems and need a preemptive warning. We purchased ours 5 years ago and had nothing but trouble since. First year..any setting above 3 a terrible burning smell of burning wires/plastic would emit, even set the fire detector off. Called the dealer, Chimney Restorations in Cambridge MD and a service tech responded. Their answer was you smell the oils burning off, and like a fool I accepted this as an answer. Every time I set the stove at 4 or 5 it would have the same wire/plastic burning smell, could not use any setting above three. Following year the blower went up and cost me close to $340 to fix, still cannot burn the stove at more than 3. Still I continued to complain about the burning smell and they did not care, so I gave up on them. One season after no problems except any heat setting higher than 3 the return of wires/plastic burning smell would revisit and the fire detectors would alarm again. Last year, 2016 the door hinges to the hopper went bad and 200 dollars later I replaced them. Also the scraper to clean the heating exchange tubes warped and will not move. The scraper for the heating exchange tubes also holds the fire wall in place. I have to now shove the firewall in place hoping it will not fall after each cleaning, I have to work a brush into into the tubes to clean the inside part the tubes. The scraper did this job but not anymore. There is not a replacement part for the heating exchange tube scraper and is considered not part part of the heating exchange system. Enviro said to bad, it is not part of the seven year warranty of the heating exchange system, even though there is no replacement parts and there is no possible way to remove it or replace it. Even though I gave up on this dealer where I bought the pellet stove from, I had to talk to them about the scraper and heating exchange tube warranty. This is what the company Enviro said, “I can use the system because it will not affect the stove.” I guess when the lawsuit arises from my the firewall falling onto the fire pot and the home burns down, Enviro will think twice about their answer. This year, 2017 is the worst, circuit board is fried, however, with no lights emitting from the board it still works but cannot go pass two! I will never buy another Enviro product because of its poor quality, and deliberate avoidance of backing their product. I believe this stove should have been replaced immediately after the smell of wires/plastic burning causing the fire detectors to be set off. Also the dealer Chimney Restorations displayed poor service after the stove was sold. I was put to the back burner. I understand others may not have problems but just give it time. DO NOT BUY THIS STOVE.
   As I was writing this the heat plate fell and cannot be placed back on..Stove is now a 500lb hunk of metal. I guess its new home is the scrap yard, I literately wasted close to $5000 to buy/install.

5. Gary M says:

   February 5, 2017 at 8:43 pm

   I also have the M55 Cast. Love this thing! A little noisy. I have it set on #3 and I burn about 2 bags a day. My house is 4k sqf but I have shut most of it off since the kids are gone. Heats the hous nicley. I have had no issues at all. I clean it out about every 2 days. Very easy.

   I have been using O’Malley and TSC Brand pellets and both are so so. Wish I could find better grade pellets. I also heard on here somewhere that by putting the setting on “Muliti Fuels” the stove will burn more efficient. Any ideas?

6. Mike says:

   January 2, 2017 at 11:10 pm

   I have a M55 cast multi -fuel stove -I really have no problems with the stove except it seems to burning a lot of pellets -any suggestion? We run it mostly on 2 and sometimes bump it up to 3 and we are burning 2 bags per day -I could only image how many bags I would go through it I went up to 4 or 5 -also any suggestions or tips on the 6,7,8 button settings?

7. AMac says:

   December 22, 2016 at 5:44 pm

   Winter 2016 Update.
   M55C Insert still running top notch 2 years later. Everything I posted previously (in 2014, scroll down) still stands. This has been a great, no-fuss stove for us for three years now. Here are some more thoughts based on some of the other comments:

   Pellets: In general, if someone just makes comments about poor burn and lots of buildup without details about the pellets they’ve been using, BEWARE of their advice, as they either don’t know much about pellet stoves or have an agenda. I do not work for any stove companies: I am only commenting based on my extensive research and experience with this particular stove. Pellet stoves and wood stoves are completely different animals.

   Pellet stoves can burn very differently depending on the different pellets used. BTU’s and ASH levels vary WIDELY, and all have different burn characteristics! It’s not just about cleaning properly, it’s also about learning how your stove works and adjusting the settings depending on the pellets being used and how they are burning. This stove has numerous settings to adjust to fine-tune the pellets you use (not just on the key pad, there are also mechanical air supply adjustments you can make right from the front of the stove). As I mentioned, some pellets work better and more efficiently than others. For me the cheap box store pellets usually require a cleaning every 3-4 days and put out average heat (they tend to have higher ash levels). Northern Max (Cubex) require cleaning every 7-8 days or so and put out a ton of heat. This past winter we burned Okanagan Platinum and I was able to go up to *2 weeks* between cleanings if I pushed it. HOWEVER, also keep in mind that pellet qualities can sometimes change from year to year as manufacturer wood supply changes.

   Thermostat: (Sorry Ronnie, just seeing your question). Make sure you get a thermostat that can be set up for Pellet stoves. The LUX unit I’m using required a minor internal adjustment to use with pellet stoves, but you will find how to do that right in the instructions for the thermostat. Make sure the thermostat is hooked up properly to the stove and the wires are not reversed.

   WHISTLING when burning: Mine hasn’t done this but the first thing I’d try to do is isolate where the whistling is coming from. Is it the blower fan, the combustion fan, or somewhere else? Is your stove an earlier model that benefits from lubricating the fan, or a later model? If you have the cleaning rails or have made your own, pull the stove out – you can inspect/remove either of these parts quite easily.

   If auger doesn’t turn, you are either not cleaning it properly, you have an electrical /control board issue, or possibly a motor problem. If your electrical panel quit, it sounds like there’s some other issue with this stove. As I mentioned, there are very specific types of surge protectors to use with wood stoves (research!). If you used a proper one and still had this problem I’d be questioning the part. If you are still having issues after replacing the part, there’s something else going on here that sounds suspicious to me. This goes beyond just cleaning (by you or the store you bought it from). This needs a proper diagnosis on site by someone who knows what they’re doing.

   Over all, I still believe Pellet stoves aren’t for everyone. As with anything, know what you’re getting into and be prepared to be hands on and/or willing to learn! If you do/can, you can have an awesome experience with this and other stoves!

8. Dan Henry says:

   October 15, 2016 at 12:37 am

   Wish I had read the reviews before I bought the M55 Enviro. We have had wood stoves & then bought this model. Same problems as stated in other comments. Cleaned often & also by the company we bought it from. Auger doesn’t turn. Pellets build up. When it runs for awhile & shuts off. Electric panel quit & then a season later runs on manual. Of course out of warrantee. So stuck with it? For a multi fuel stove the pellets burn poorly & with a lot of buildup even with proper cleaning.
   Buying a Harmon !!!

9. Pamela Page says:

   October 12, 2016 at 1:08 pm

   My pellet stove, enviro m55c fpi, is whistling when burning and when cooling down. I just had it cleaned by the co. I bought it from. It still is whistling. It is noisy and distracting. What is the solution to fix this?

10. Ronnie says:

    January 7, 2015 at 3:07 am

    A-mac how do you have that thermostat hooked up? I have the same one but even when I set it to off it still feeds and runs.

    Thanks in advance