A-Class Services Pte Ltd - The Home Maintenance Specialist. A-Class Aircon Management - The Aircon Specialist. A-Class is a "One Stop Solution provider" specialized in General Home Maintenance Services which include Painting, Plumbing, Air Con Servicing/Repair/Installation, Marble polishing & Parquet Varnishing, Handyman, Electrical Works, Carpentry works, Kitchen cabinets, Build-in wardrobe and many more.