State lemon laws were instituted to protect consumers related to the auto industry, not appliances such as HVAC equipment. Lemon laws can vary from state to state. These laws protect consumers mostly from defective cars and trucks. A federal law called the Magnuson-Moss Warranty Act prohibits companies from disclaiming their implied warranties if they have…
An earthquake sensitive automatic gas shut off valve is a very simple device that mounts on the gas line between your gas meter and your home. Inside the valve is a heavy steel ball that rests on a pedestal. In the event of an earthquake the steel ball falls off it’s pedestal and plugs the…
Carbon monoxide (CO) is a colorless, odorless gas that can kill. If your furnace tech says you have a cracked heat exchanger it doesn’t mean that your house is filling with carbon monoxide unless your CO detector is going off. If a gas furnace is burning clean and has a good supply of oxygen to…
Furnaces or air handlers, as the industry calls them, are limited by the amount of air they can deliver through the duct work. The amount of air they can deliver is determined by their size. Any of the items in the list below can exceed your air handlers limit causing a reduction in the air…
Over time, dust gets past your air filter and into your ac coil. As condensation drips down your ac coil into the condensation drain pan some of those same impurities flow down the condensate drain and into the trap where they set and turn to a drain plugging sludge. Some of this same sludge collects…
Flex duct and rigid duct each have a place when installed correctly. You just don’t install metal duct in a crawl space when flex duct will do a good job. Appearance is crucial to a good job and metal duct should be used when exposed. Example, crawl spaces use flex duct and basements or garages…