When you're looking for a new HVAC system, it's important to trust the people you choose. That's why we recommend only using reputable HVAC companies near you. Green Technology HVAC companies have good reviews and have been around for a while, so they know what they are doing when it comes to installing new systems or repairing old ones. Local HVAC companies also have some of the following: - A good reputation in the industry. - Insurance coverage in case something goes wrong during installation or repair work. - Licensed professionals who know how to install your new equipment correctly.