Expert HVAC Contractors in Gaithersburg, MD

Central air conditioners sometimes need regular maintenance to perform well. You can do some of the simple maintenance yourself. Sometimes it doesn't need major repairs, just tweak or clean it. Here are some of the simple steps you need to do in cleaning your AC. To clean your central air conditioner; you need to turn off power to the unit. There should be a switch outdoors next to the compressor. Next, vacuum or use a soft brush to rid the outdoor coil of dirt, debris and grass clippings. Inspect the filters on your air handler, or furnace. If they look dirty, you will need to replace or clean them, based on the manufacturer's instructions. The air handler moves heated or cooled air through the ductwork of your home. Clean and oil the indoor furnace fan, or air handler fan. Also clean the fan on the outdoor unit. Again, check the manufacturer's instructions in your owner's manual.

Nowadays, heating and cooling systems are more sophisticated and that repair requires special diagnostic equipment. HVAC systems repair should be done by specialist and not by weekend handymen because there is some air-conditioning and heating condition/repairs that only specialist can perform. If you have encountered a repair problem, call HVAC service technician to fix your HVAC system.

In pneumatic control system , it has simple components and no complex structure, easy to maintain and useful in flame proof application. It has a slow response and limited power capacity for a large mass transfer but it's difficult to operate in sub-normal temperatures. While in electronic control system, it has a low power, linear and quick response and accurate but it is not possible for flame proof areas. It also requires good wiring layout.

You need to lose the air from the heating system in the radiator every winter, then add a corrosion inhibitor if you see a sludge buildup. Add a liquid inhibitor to the feed and expand cistern of the open vent system. For the sealed system, use a cartridge that injects the inhibitor through the air bleed valve on the radiator. Always read the manufacturer's manual to make sure proper procedure is made.

Older model that has been for more than 12 years are oversized, so noisy and sometimes inefficient. They are usually high in maintenance and will cost you too much. Try upgrading your central air conditioner. It will make you feel comfortable and it will saves time and energy too compared to old models.