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The health benefits of a hot tub are many, and millions of homeowners opt to install one in a convenient backyard location for use on a year round basis. They are not, however, available in only a few limited number of designs, and for the purpose of this discussion we will consider the costs associated with the installation of a "mid-range" hot tub designed to accommodate three to four persons.
According to Popular Mechanics a hot tub as the one described above would cost around $3,500 to $8,000 depending upon the total size and the number of jets and extra features. The average "footprint" of such a tub is around 5'x6' and 30" in depth. Should a homeowner opt for a hot tub much bigger than this they are going to have to consider the implications of the weight. A large hot tub full of water can easily weigh more than two tons, without anyone seated in it, and this is going to eliminate the standard deck or porch floor as a spot for locating the unit.
In fact, almost all hot tub installations for the size mentioned will require:
The costs for the cement slab (a preferred mounting option) will vary according to the actual footprint of the tub, but for a six inch slab at just over thirty square feet (5.5'x6.5') the homeowner will need to pour just over half of a cubic yard of concrete. Since a full cubic yard costs only $75 in materials, this is a low-cost option, and one that is entirely DIY.
The electrical work, on the other hand, is not to be considered DIY at all. It is going to have to be done to local building codes, and may require such things as:
Most electrical contractors will have a "per hour" rate, but will also price on a per-project basis too. Generally, the hourly costs for work such as this will run at $85 and materials will be extra.
Medium: $3,500 (5'x6'x30')
Cost to install a hot tub varies greatly by region (and even by zipcode). Get free estimates from hot tub and spa specialists in your city.