HVAC units; Water heaters for domestic use including tankless water heaters; and the components of the aforesaid goods

Installation of HVAC systems, HVAC cleaning services, HVAC duct cleaning services, HVAC maintenance services, consultation services in the field of HVAC installation, sizing, and maintenance, plumbing services, installation of plumbing and plumbing systems, maintenance of plumbing, consultation services in the field of plumbing installation and maintenance, installation and replacement services for water heaters, repair or maintenance of water heaters, consultation services in the field of water heater installations; Installation of electrical wiring and systems including electrical panels, circuit breakers, outlets, and switches; Installation, repair and maintenance of electrical power generation systems including generators and uninterruptable power supplies; Electrical repairs and maintenance; Installation, maintenance, and repair of indoor and outdoor lighting apparatus; Technical consultation in the field of installation of lighting apparatus, lighting instruments, and lighting systems; Installation of smart home devices and systems, including smart lighting, smart thermostats, and smart home security systems

Lighting design and technology specification services pertaining to permanent or temporary architectural, commercial and/or residential applications; Home inspection services, namely electrical safety and compliance inspections; Electrical systems design and engineering services