Current refinance mortgage rates are not to be missed. Unfortunately, low house prices and credit scores prevent many homeowners take advantage of these rates. Common question asked by many is that could they refinance their existing mortgage? They realise the time is right as far as the rates concerned and they would like to lock them in for many years to come. How would homeowners be able to conclude if they could refinance home mortgage loan now?Probably the most important determining factor is the house valuations. You need to find out how much is your home worth at the moment. Several websites allow you to check the prices of houses sold recently. real estate agent listings are other sources of property prices. Find out how much equity you have in your home before starting your refinance shopping. For conventional mortgages, loan to value needs to be reasonable to get good rates. Although there are other options available with low loan to value, it certainly limits the choices available.While the mortgage rates are low, savings interest rates are almost worthlessly low. Therefore, many homeowners decide to utilise their savings to lower loan to value, so that they could refinance with the best rates. Securing the best rates is important, because you want to complete refinance mortgage and forget about it for a few years to reap most savings out of switching lender. Preferably, you do not want to incur another refinance closing costs for a few years. Paying into a refinance deal is an option for people who have the means. Savings you will receive every month will allow you to build the back up cash fast again.Now is the time to find out your existing home loan rate and compare them with the current rates offered. You will come across many articles and experts using a 2% improvement in rates to make it worthwhile to refinance. However, if you are intending to stay in your home for the next 15 years, much less rate difference will justify refinancing. Mortgage refinance rates are record low, so this will probably be your last refinance unless you decide to move. Another good example is switching to fixed rate from adjustable rate mortgage. These low rates will not last forever. Think how much you could save if the rates were to shot up a few points. Furthermore, you will be able to sleep well with fixed rate home loan.Hopefully, your credit score has improved since you got your mortgage. Improved credit score has the ability to give you better rates on its own. In conclusion, do the math very carefully; take into account all the factors and your preferences to come up with an informed decision.