Hvac Maintenance Checklist

These days most electronic goods dealers havc maintenance schemes for clients who buy products from them. These schemes can pertain to water filters, refrigerators, kitchen chimneys, ovens, and most importantly HVACs. HVACS are the most robust units to be found in households. Their smooth functioning is important to make your room temperature optimally comfortable both in summer and in winter. A sudden breakdown in summer can throw you in bake-in-oven-like conditions. So, it is important to maintain your system to prevent future problems and unwanted costs. In maintenance contracts the contractors will do annual per-season check-ups. These are ideally done in spring and in autumn. Once the summer or winter months start, the contractors get at a torrent of repair calls.It becomes really different for them to schedule prompt servicing in all cases. Now let’s see what maintenance checks will include. This checklist given below applies both for indoor and outdoor units in HVAC system.

• The electrical connections in the HVAC should be checked for any laxity. The voltage and current on the motors should also be looked into. Mark,faulty connections can decrease the lifespan of important components in a HVAC.

• The components that run a high risk of wear and tear should be oiled with lubricants. Friction in the motors will lead to increased use of electricity for operation.

• The condensate drain of the central air conditioner, furnace or heat pump needs to be cleaned. If the drain is jammed and the water is unable to vent out, it will lead to dripping and wet floors. It will cause damage to your house and also affect level of humidity indoors.

• The controls of the system should be checked for safety. The starting cycle of the equipment needs monitoring to ensure that it starts, operates, and shuts off as it should.The controls of a HVAC system are vast. They can include relays, circuit boards, capacitors, sump heat and other accessories. The contractor should take time to have a look into all these.

• The evaporator and condenser air conditioning coils should be cleaned.These parts of heating and systematization subject to high exposure of dust and debris. Dirty coils can cause an array of problems in operation. It also leads to higher energy cost and brings down the unit’s lifespan.

• Checking the refrigerant level of the devices crucial. A low Freon level will not be able to deliver optimal cooling. Too much of refrigerant will also make your system inefficient.

• The blowers should also be cleaned to ensure proper flow of air. The belts and shaft of the blower fans should be checked for wear and tear. If the belts have thinned down and will snip soon then they should be replaced. A bad air flow can decrease efficiency by 15%. The motor and blades should also be checked.

• In the heating section, the contractor should check all gas or oil connections, gas pressure, burner combustion, and heat exchange. Faulty connections in heating units will not only reduce efficiency and increase energy cost but can lead to fire hazards.

• The flue system is a very important part of a HVAC. It should be checked for venting out gases property. It should not have dislocated parts and signs of corrosion. Replacements should be made wherever necessary.

• He should measure outdoor dry bulb temperature and indoor dry and wet bulb temperature. He should also calculate the high and low side system pressures. He should see if change in temperature is fine and the time taken for cooling and heating is perfect.

• The cabinets should be cleaned of all debris. The compressor and tuning should be inspected for damage.

Now we will discuss a few acts of maintenance that can do at your end.

• You should inspect, clean,and change the filters in your HVAC system at least once in a month. When cooling, set the thermostat as high as can conform to your comfort level. Do the vice versa when it comes to heating.

• Always ensure you have adequate ventilation in the attic to vent out the heat in the house. If there is lack of ventilation you can add or enlarge vents to do so.

• If you are going to remodel your house or purchase a new house choose alight color for roof shingles. This will reflects good extent of the sun’s heat. In mild weather don’t operate your AC or heating unit.

• Always draw the blinds and curtains on your windows when operating your HVAC. This will reduce the infiltration of sun rays. Keep your doors and windows closed when running your HVAC.

• In winters avoid using exhaust fans in kitchen and baths.

• Keep the thermostats away from TV, lamps or other heat –generating devices. Place the thermostat on inside wall away from windows and doors.

• Insulation is single most important factor to conserve energy. Always ensure that your house is properly insulated. Humid air from outside should not be able to sneak into your house through leaks and holes. This can augment energy consumption by 15 to 30%. Plug such leaks with caulking, weather-stripping or plastic.

• Bring down the rate of heat transfer by having double glazed windows. You can also have storm windows and doors fitted in the house.

• Have your fire places fitted with properly sized dampers. Those dampers will be kept closed in summers when fireplaces are not in use. Buy a humidifier to conserve energy in winter. This will prevent the air in the room becoming too dry. So you will stay comfortable even at a lower temperature.

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