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Mitsubishi Heat Pumps
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Mitsubishi Heat Pump Reviews
Showing 1-5 of 20 reviews
"Works as per specs, but for how long"
I had the Zuba Central installed 8 years ago, it was one of the most expensive system at the time, but I wanted an economical system, so I went for it. It does work up to -20 to -25c without the electric element, but after 6 years, they had to replace the coil in the outside unit. 6 months later, they had to replace the compressor!! While these parts are under warranty, the work, freon and others are not. What was not covered cost me close to $6k. I do not recommend this very expensive system
"Thumbs up from Ontario"
Where I live we see temperatures below -25c/-13f regularly in January. My Mitsubishi Cuba heat pump has been delivering heat my new 2300 sq ft house all winter faithfully for two years now. There are a couple of secrets about heat pumps: 1. Multistage heat pumps are twice as efficient when running in "low" mode, which means when the room temperature is within 1 deg C/2 deg F of the set (or target temperature). Setting back the set temperature every night (say to 17C/63F) takes away all the savings. I keep mine at 23C/73F all winter long, even when I am away for a few days. 2. Heat pumps deliver the heated air only a few degrees above room temperature, so you do not get the blast of warm air that a furnace delivers, so it may feel like it is not delivering heat.
We just had this installed and are unimpressed with the fact that this unit cannot even heat our house to 70 degrees. We are still having to supplement with space heaters. It runs constantly without getting to the temperature that it is set to. We live in North Carolina so fairly mild temperatures. The HVAC company does not seem to know what to do to fix it.
We had our unit installed about 4 years ago. The compressor is only about 15' away from our bedroom window. If it weren't for the blower kicking in on the furnace I wouldn't even know it was on. That's what we bought it for and we are totally satisfied. We generate most of our heat from a wood stove, so I can't really speak to the operating costs. I do know this had one of the highest energy efficiency ratings on the market at the time we got it.
"Was impressed with it until it broke down"
At the writing of this, I've been without a working heat pump for close to 6 months. I can't even get the emergency heat to work. The problem is that my coil has developed a leak, possibly as long as two years ago, but we can't tell and it is only anecdotal as it was having a hard time keeping ice from forming on the fins. Some of this is because I can't find someone who can service it locally. I called several listed in the yellow pages but had no luck. One guy tried to diagnose the problem over the phone, while he looked at a manual downloaded from the internet – would be funny if it wasn't happening to me. Finally, the last number on the Mitsubishi website did pan out. They are a company that has recently taken up servicing Mitsubishi heat pumps. They are not familiar with it but are trying hard to help. They have tried for the past two months to order a coil and it is always on the way. It's in Montreal and will get here next week. I had a call from the service company last week saying that it still wasn't ordered and it is painful trying to get this Mitsubishi sales rep to nail anything down. I emailed Mitsubishi, they say that they can't help as I am not covered under their warranty. Note that I went with a reputable company to do the install, they do the majority of commercial installs around here but they were not licensed to install Mitsubishi products. This meant that the warranty I thought would be for 10 years only was for 5 years. This is more my fault for not realizing things. But, who loses the coil in 6 years. It seems that Mitsubishi heat pumps do. I've tracked down three other Zuba Centrals and they all have had the coil replaced. One was 9 years, mine 6 years and the other was at the 4 year mark. I haven't found any others but haven't done more than a cursory check. So far, every Zuba Central that I have come across has had an issue with the coil – but again, I've only done a cursory check. If you are going to buy this, make sure you have a service company handy. I did this check but the companies listed either have gone bankrupt or do not service residential customers anymore – not sure why. Final comment, the person I contacted at Mitsubishi did not help me at all. His only comment to me was that I wasn't under warranty. His responses were short and did not offer any assistance in how to proceed. I even indicated my difficulty with finding someone to service the heat pump. They pointed me to the distributor who doesn't deal with residential customers. I never got a response to my followup email. It is going to cost me almost $4000 to get the coil replaced, 6 years after I put the unit in. How do you recover that kind of loss? Something that doesn't come up when doing the calculation to see if you should switch to a heat pump. It maybe saves me about $100 of heat during the winter months, but then I used it in the summer months for AC which offsets my winter savings. It's gonna take me a long time to recoup this loss. Maybe a great product when it works but horribly expensive when things fail.
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