I am interested in any feedback on the Shovlin Nirvana mattress from anyone who has had one for over a year. Is the mattress developing any body impressions, and are you still satisfied with the level of support and comfort as when you initially purchased it. We went to Shovllin and had a great experience, and trying to decide between the hybrid latex/coil Milan w boxspring and the soft Shovlin Nirvana.with the slat foundation, including the 2" pillow topper. This is a wonderful forum that has taken the frustration out of mattress shopping. The folks at Shovlin are as terrific as everyone has indicated here.
Hopefully some of the members here that have purchased the Nirvana will see your post and share their comments but in the meantime a forum search on Shovlin Nirvana (you can just click the link) will bring up more comments and feedback in the forum posts that mention it.
I would be cautious though about using other people’s feedback as a reliable indication about the durability of a mattress or how long it will maintain its comfort and support for you because a mattress that would be a durable choice for one person may not be nearly as durable for someone else depending their body type and sleeping positions and on where they are inside the comfort/support range that is suitable for them. For example if a mattress is “on the edge” of being too soft for a particular person then it may not take long at all before even minimal foam softening puts them outside the comfort/support range that is suitable for them and the mattress may no longer be suitable to sleep on even though the materials are still in relatively good condition while for someone else where the same mattress is well inside the comfort/support range that is suitable for them it may may last for many years (see post #2 here).
I would also keep in mind that a year or two really doesn’t say much if anything about the durability of a mattress and for this type of feedback to be meaningful I would look for personal experience that was at least 5 years and preferably longer. Even low quality materials may last some people for longer than a year.
The most reliable way to assess the quality and durability of a mattress regardless of the name of the manufacturer on the label is to make sure you know the type and quality of all the materials inside it so you can identify any lower quality materials or weak links in the mattress.
While it’s not possible to quantify how long any mattress will last for any particular person, if a mattress is well inside a suitable comfort/support range and isn’t close to the edge of being too soft when it is new and meets the minimum quality specs that are suggested in the guidelines here then it would be reasonable to expect a useful lifetime in the range of 7 - 10 years and with higher quality and more durable materials that are well above the minimum guidelines like latex or higher density memory foam or polyfoam (in the comfort layers especially) it would likely be in the higher end of the range or even longer.
It’s always more realistic to think of about 10 years as a maximum reasonable expectation for any mattress no matter what the quality or durability of the materials and then treat any additional time after that as “bonus time” because after about 10 years the limiting factor in the useful life of a mattress will often be the changing needs and preferences of the person sleeping on the mattress and even if a mattress is still in good condition after a decade … a mattress that was suitable for someone 10 years earlier may not be the best “match” any longer.
Having said that … with higher quality materials throughout a mattress and/or for people whose needs and preferences or physical condition or body type hasn’t changed much over 10 years then “bonus time” or even “extended bonus time” with higher quality/density and more durable materials like latex or higher density memory foam or polyfoam or natural fibers is much more likely than with less durable materials.
There is also more about the most important parts of the “value” of a mattress purchase in post #13 here that can help you make more meaningful comparisons between mattresses in terms of suitability and PPP (Posture and alignment, Pressure relief, and Personal preferences), the durability of the materials and the mattress as a whole, and the relative “value” of a mattress based on all the other parts of your personal value equation that are most important to you.
You are certainly looking at some good quality choices.