Mechanical Works and Engineering


Customer environmental demand is diversifying to peacefulness, pleasantness, safety, and comfort. We have been responding to customer demand for comfortable and safe environmental spaces for many years through air conditioning and ventilation equipment, water supply, drainage and sanitary equipment and fire extinguishing equipment in office buildings, commercial facilities, housing, medical and welfare facilities, and various production facilities. Additionally, we are proactively working on environment-related business such as eco multi heat pump systems and ESCO business while fully using the experience and know-how which we have previously acquired and linking it with other related departments in our company.



Bussiness Content


We are working on design and construction of air conditioning and ventilation equipment, water supply, drainage and sanitary equipment, and fire extinguishing equipment in various facilities and environment-related businesses such as eco multi heat pump systems and ESCO.


Air conditioning and ventilation equipment

We design and construct air conditioning equipment, air conditioning duct equipment, air conditioning piping equipment, ventilation equipment, ventilation duct, smoke exhaustion equipment, and automatic control equipment in various facilities.

Design and construction of air conditioning and ventilation equipment in office buildings, commercial buildings, entertainment facilities, hotels, condominiums, medical and welfare facilities, school and research facilities, and various industrial facilities


Water supply, drainage and sanitary equipment

We design and construct water supply equipment, hot water supply equipment, drainage equipment and gas equipment in commercial buildings, office buildings, condominiums, and production facilities.

Design and construction of water supply, drainage and sanitary equipment in office buildings, commercial buildings, entertainment facilities, hotels, condominiums, medical and welfare facilities, school and research facilities, and various industrial facilities


Fire extinguishing equipment

We design and construct sprinkler equipment, fire hydrant equipment, foam extinguishing systems, carbon dioxide extinguishing systems, and halide extinguishing systems in commercial buildings, office buildings, condominiums, and production facilities.

Design and construction of fire extinguishing equipment in office buildings, commercial buildings, entertainment facilities, hotels, condominiums, medical and welfare facilities, school and research facilities, and various industrial facilities


Environment related business

We proactively expand plans, proposals, designs, and construction for the introduction of an eco multi heat pump system which realizes significant reduction in running cost and CO2 in hot water supply and cooling equipment in buildings and manufacturing processes in production facilities by highly efficient running of the maximum COP6.3. Further, we also participate in the ESCO business for the purpose of reducing energy costs and CO2 emissions as an EPC (Engineering, Procurement, and Construction) company.
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Major Works


・ESCO business Chokaiso, Foresta Chokai ・Toyama country club
Business Guide
Electrical Works and Engineering
Mechanical Works and Engineering
Facilities Service
Electric Power Works and Engineering
Information and Communication Works
Overseas Business
Electrical Manufacturing Factory

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