
What is wrong with an air conditioner when the air flow out of the vents is low?.Is a furnace allowed in a bedroom, bathroom, or an adjoining closet?.

How did homes stay cool in Florida before air conditioning?.Does an old air conditioner use more electricity as it ages?.What is the minimum slope of a flue connector for a gas furnace or water heater?.Where is the air filter for my central air conditioner and furnace? I can’t find it?.What color should the flame be in a natural gas furnace?.Is the energy efficiency of the furnace part of the SEER rating of a central air conditioning system?.To learn more about heating and air conditioning systems, see these other blog posts: How can I find out the size of my air conditioner?.How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?.How can I find out the SEER of my air conditioner?.How do I determine the age of my air conditioner?.To determine other key specs of your HVAC system, see one of these other blog posts: The second two numbers of the serial number are the year of manufacture, so the data plate for the Lennox furnace shown below indicates it was produced in 2013.
