A. 
A permit must be obtained for the installation of any mechanical work. Exception: any portable equipment, minor repairs, or self-contained refrigeration systems.
B. 
All mechanical contractors engaged in the performance of HVAC work shall be registered by the Village of Homer Glen.
C. 
It shall be unlawful for any person to alter, disturb or change any equipment or to permit any equipment to be altered, disturbed, or changed unless done in conformity with the regulations in this Building Ordinance.
D. 
Exhaust systems. Every bath and toilet room shall be ventilated by either an exterior window opening to the outer air of not less than three square feet in area or by a mechanical ventilation system vented directly to the atmosphere. Bath exhaust fans shall not be vented to attic or soffit areas. All exhaust vents shall terminate in an approved fitting. All exhaust ductwork in an unconditioned space shall be insulated.
E. 
Equipment installation. Heating equipment may not be installed in attic or crawl space areas unless such equipment is installed within a conditioned space.
(1) 
Attic. When equipment is installed in an attic, a permanent stairway or an approved pull-down stair assembly shall be installed.
(2) 
Crawl. Any equipment installed in a crawl space must be installed on a concrete slab which extend a minimum of three feet in width along the control side of the equipment. All equipment located in a crawl space shall be raised at least eight inches above the slab.
(3) 
Interior installations. All basement installations shall be raised a minimum of three inches above the adjoining floor.
F. 
All buildings are to have an external shutoff valve for liquid or vapor fuels located on the building.
G. 
All vents for combustible fuel appliances shall terminate a minimum of 35 inches above final grade.