a close-up of a woman's hand adjusting the temperature control on the central gas heating boiler panel.

39aph39 adjustable adjusting apartment appliance arm boiler brand budget building cauldron ceiling central change climate close-up comfortable conservation control controlling cost crisis design detailed dial domestic ease economy efficient electricity emphasizing energy environmental equipment expense eye finance finances finger floor gadget gas hand heat heater heating home house household knob leg life lighting limb living manicure muscle organ panel people person radiator residential room s season setting skin smart technology temperature thermostat turning view warmth water white winter woman women