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Once your modular home is set on the foundation, all of the mechanical systems will need to be connected. This includes: hot water heating system; heating and air conditioning; plumbing and electrical connections. If your prefab has a fireplace or central vacuum system, you will need to include these in your building budget costs.

Electrical Connection Costs

Your modular home will be prewired with all of the electrical wires run to the receptacles and switches in the home. If your home has wires that cross modules, these will need to be connected after the home is set as wells. Your builder will be required to hire a licensed electrician to connect the main to the panel box, connect all of the wires leading to the panel box and any inter module connections. Modular home factories will make the connections to one of the modules of your home at the factory. An electrician who is familiar with modular homes should be able to make all of the connections in one or two days. If local contractors charge between fifty to one hundred dollars and hour, the total price to make all of the electrical connections required on site will range between four hundred to sixteen dollars.

Additional cost will be incurred if you have ordered additional electrical system components such as central vacuum systems, fireplaces with fans, sight supplied and installed electrical items such as exterior lighting systems.

Plumbing Systems

A plumber should be able to make all of the connections in a modular home within a day. If your house is a single level home, the plumber will need to connect all of the water lines and waste lines in the basement. When your home is built in the factory, all of the fixtures will be plumbed with the pipes stubbed through the floor. In addition to making the connections, water and waste lines must be supplied and install on sight. The advent of pex plumbing has lowered the price of materials and labor costs when making the plumbing connections required in a prefab home.

Two story modular homes require that intermodule plumbing is connected between the first and second floor. These connections will either be in the first floor module ceiling or the second floor module floor.

Hot Water Heating Systems

Most modular homes are delivered with a hot water heater that needs to be connected to the water lines. In addition to plumbing, the power source will need to be connected as well. The cost to connect an electric water heater will cost the least. If your building lot offers natural gas, I would recommend shopping for a on demand heating system. Gas hot water heaters will cost a little more, but the economy of natural gas will pay for the installation with in a year or two.

Note: Instant Hot Water Heating Systems - In addition to the cost of fuel used with natural gas hot water heating systems, you will be charged a transmission fee. Often the transmission fee will be hire than your usage fee with on demand hot water heating systems. If your heating and cooling your home with a geothermal system, you might consider installing a liquid propane system for your hot water heating.

In the attic space the plumber will be required to connect all of the vent stacks. This is not a complicated jobs, but being in an insulated attic will cost you due to being in an uncomfortable space.

The overall cost for a plumber to make all of the plumbing connections in a modular home should be less than two thousand dollars for home with city water and sewer. If your home is on well and a septic system you will, a plumber will need to have the item costed out to give you a price. Wells and septic systems can drive the price of a modular home up by tens of thousands of dollars. If at all possible pick a building lot with public water and sewer to keep your prefab homes price as low as possible.

Heating and Air Conditioning

The cost to install the heating and air conditioning system in your home will vary on the type of system you select. The cheapest heating source for a modular home is to select the standard electric baseboard heat. When you electrician makes the electrical connections your heating system will be complete. Heating system connections can cost less than three hundred dollars to tens of thousands of dollars depending on the type of system you require.

Mechanical Systems