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A termite inspection is a visual inspection of the readily accessible areas of a home for evidence of wood-destroying insects. The inspector will visually inspect the entire interior of a home (including accessing and entering any sub-space such as basements and crawlspaces) and exterior of the property. 

Source: homesmartinspections.com 

An infrared inspection (also referred to as thermal imaging, thermal scan, and/or thermography) can identify and document moisture intrusion, energy loss, and even unexpected hot spots.

In terms of energy loss, an IR camera can detect:

• heat loss and air infiltration in walls, ceilings, floors, windows and doors;

• damaged and/or malfunctioning radiant heating systems;

• air-conditioner compressor leaks;

• under-fastening and/or missing framing members, and other structural defects that can lead to energy loss; and

• broken seals in double-paned windows.

In terms of detecting moisture intrusion, an IR camera can locate:

• plumbing leaks;

• hidden roof leaks before they cause serious damage;

• missing, damaged and/or wet insulation; and

• water and moisture intrusion around penetrations and at the foundation and building envelope that could lead to structural damage and mold.

IR cameras are equally effective at locating hot spots in the home, including:

• circuit breakers in need of immediate replacement;

• overloaded and undersized circuits;

• overheated electrical equipment and components; and

• electrical faults before they cause a fire.

Additionally, based on the color gradients that thermal images provide, an inspector can locate:

• possible pest infestation, as revealed by energy loss through shelter tubes left by boring wood-destroying insects;

• the presence of intruders, such as rats, mice and other larger pests hiding within the structure and detected because of their heat signature that the IR camera captures; and

• dangerous flue leaks, which can lead to carbon monoxide poisoning of the home’s residents.

Source: nachi.org 

Infrared cameras photograph heat rather than objects. The camera is a heat-sensor that registers different temperature levels and converts them into a film or video image. Most cameras use digital imaging, but some use chemical infrared film. 

Source: techwalla.com 

A townhouse or townhome is a single family home that shares one or more walls with other independently-owned units. They are often rows of uniform homes, two stories or taller. Residents own their interior and exterior walls, lawn, and roof, as well as the insurance for both their home and property. Maintenence costs for the home is determined by the community's homeowners association.

Source: updater.com 

Having three apartments, floors, or sections 

Source: merriam-webster.com