Air Duct Sealing and Repair
Is Your HVAC ducting leaking? Did you know that up to 15% of your air conditioning and heating could be wasted in your air ducts by leaking into your attic. Leaky ducts can reduce heating and cooling system efficiency by as much as 20 percent. Sealing and insulating ducts increases efficiency, lowers your energy bills, and can often pay for itself in energy savings. Plus, if you’re planning to install new heating and cooling equipment, a well-designed and sealed duct system may allow you to downsize to a smaller, less costly heating and cooling system that will provide better dehumidification
Enhance Indoor Air Quality 
Fumes from household and garden chemicals, insulation particles, and dust can enter your duct system, aggravating asthma and allergy problems. Sealing ducts can help improve indoor air quality by reducing the risk of pollutants entering ducts and circulating through your home.

DUCTING
RKM HEATING AND AIR CONDITIONING
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Air Duct Cleaning
According to the National Air Duct Cleaner’s Association (NADCA), a typical six-room home creates over 40 pounds of dust annually through everyday living. In addition, the typical family generates a great deal of contaminants and air pollutants such as dander, dirt and chemicals. These contaminants are pulled into the HVAC system and re-circulated 50 to 70 times per day on average. Over time, this re-circulation can cause a build-up of contaminants in the air duct work
The National Air Duct Cleaners Association does recommend routine cleanings every few years.

According to the NADCA, consider the following when making a decision whether or not to clean your home's air ducts:

•Smokers in the household
•Pets that shed high amounts of hair and dander
•Water contamination or damage to the home or HVAC system
•Residents with allergies or asthma who might benefit from a reduction in the amount of indoor air pollutants in the home's HVAC system
•After home renovations or remodeling
•Prior to occupancy of a new home

HERS Duct Leakage Testing
A HERS Home Energy Rater test your ducting which is required by state law to have done to ensure proper installation of your heating, air conditioning and ducting has been done. It is also a good idea if you think your ducting might not be sealed properly. Duct testing and sealing done together can help locate leaks in your system so that they can be corrected properly.
A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow. The combination of pressure and fan flow measurements are used to determine the ductwork airtightness. The airtightness of ductwork is useful knowledge when trying to increase energy conservation.
Get Your System Repair, tested, and or cleaned by an actual Certified HVAC. EnergyStar.gov suggest the following to be sure your job is done right the first time

Ask the service provider whether they hold any relevant state licenses
They are experienced in duct cleaning and have worked on systems like yours;
they will use procedures to protect you, your pets, and your home from contamination; and
they comply with NADCA's air duct cleaning standards
 Use vacuum equipment that exhausts particles outside of the home or use only high-efficiency particle air (HEPA) vacuuming equipment if the vacuum exhausts inside the home.

RKM Heating and air conditioning is a certified California HVAC C20 contractor and also holds NATE, IAQ, GREEN, and EPA Certifications Along with HERS and BPI testing. You can be assured that we exceed all standards to ensure top rate service from beginning to end. All this is done without the outrageous cost of large corp companies because we are a family owed and operated company.
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