A home built on-site is usually about twice as expensive as prefabricated homes.
On-site construction generally wastes much more materials that go into the building of the house.
Besides being cheaper because of more efficient use of materials, prefab homes cut costs because they need fewer construction laborers on-site to help assemble the house.
Prefab homes can save you money during the years you live in these homes because their designs generally have energy efficiency in mind.
Because a prefab house’s individual parts adhere to strict design guidelines, the seams in these homes are usually airtight. This standardized air-tightness helps to avoid leaks and airflows that can increase the energetic and economic cost of heating and cooling your home.