THE HYDRAVENT ADVANTAGECompare us side by side to our competition and you will have no doubt that Hydravent is a must-have solution for your home's room level temperature control. Our Advantage Drop in InstallationCost EfficientRoom Control HYDRAVENT $40/vent BUY NOW KEEN $90/vent BUY NOW ECOVENT $2000+ NEST $199+ BUY NOW