Heating and cooling services involve the installation, repair, and maintenance of systems that are used to regulate the temperature and air quality inside a building. These systems can include:

1. Heating systems: These systems provide warmth to a building during the colder months of the year. They can include furnaces, boilers, heat pumps, and other types of heating equipment. Heating services can involve installing a new heating system, repairing or maintaining an existing system, and providing regular maintenance to ensure the system is operating efficiently.

2. Cooling systems: These systems help to keep a building cool during the hotter months of the year. They can include air conditioners, central air systems, and other types of cooling equipment. Cooling services can involve installing a new cooling system, repairing or maintaining an existing system, and providing regular maintenance to ensure the system is operating efficiently.

3. Indoor air quality: Heating and cooling services may also include the installation and maintenance of systems that help to improve indoor air quality, such as air purifiers and humidifiers.

Overall, the goal of heating and cooling services is to ensure that a building is comfortable and healthy to inhabit by regulating the temperature and air quality inside.