Business and Economy: Construction: Heat and Air

• Air-Assurance Co Ltd  - Sells and rents out air conditioning systems. Posts product catalog with specifications.
• Securimax Limited  - Supplier of ventilation, lighting, and cleaning equipment to the electrical wholesale and retail sectors. Contains company profile, details of services, and product listings.
• Tom Edmond Ltd  - Offers air conditioning systems for houses and commercial spaces. Provides pictures and sketches of products, and related news articles.