Insurance coverage for HVAC units depends on your policy. Some homeowners' insurance policies may cover HVAC units in cases of damage due to covered perils, but not for regular wear and tear. It's best to check with your insurance provider.

Popular HVAC brands include Carrier, Trane, Lennox, Goodman, and Rheem. These brands are known for their reliability, efficiency, and advanced technology in heating and cooling solutions.

In commercial buildings, common HVAC issues include poor air quality, inadequate ventilation, system inefficiencies, and frequent breakdowns due to higher usage. Regular inspections and maintenance are crucial.

AC filters vary in terms of material, efficiency, and purpose. Common types include fiberglass filters, pleated filters, HEPA filters, and electrostatic filters. Each type has its own advantages and is suitable for different needs.

Common HVAC issues in residential buildings include thermostat malfunctions, dirty filters, refrigerant leaks, and uneven heating or cooling. Regular maintenance can help prevent these problems.