Are you in need of a new furnace or air duct system? If so, you might be questioning who you can contact about doing so and looking for some more information about today’s furnace and air duct installation process. Fortunately Bellevue has plenty of air duct and furnace repair services and experts that can help install and answer questions furnace and air duct systems. If you live in Bellevue, you may want to look for several characteristics when selecting a new furnace, become familiar with the importance of keeping your air ducts clean and even finding the correct furnace coding requirements.

The characteristics you may want to consider when replacing or selecting a new furnace should be one that it will last, save the amount of gas you use in your home and drive blowers that will help you reduce the energy costs of your home. You may want to consider having a multi-stage furnace to save money on gas bills as opposed to having a standard single stage furnace.

Bellevue has several important code requirements set by the National Air Duct Cleaners Association that can be easily installed and cleaned, while making your home or building safer and more environmentally friendly. It is important to keep your air ducts in your heating and air conditioning systems clean to reduce the spreading of mold and other contaminants that can be extremely hazardous to one’s health when breathed in. Not only will having your air ducts clean create a safer environment, but it can also cut down on your costs and save you money or your company on your energy bills. The standards held by the NADCA for Bellevue will include analyzing both new and current HVAC systems for your air ducts, clarifying how clean the HVAC systems are, preventing the spread of hazardous contaminants, and making sure it meets the highest standards of cleanliness.

The contractor for cleaning your Bellevue home or office has to meet the HVAC system cleaning qualifications by maintaining a membership under the NADCA or by maintaining membership under a non-profit organization connected to the HVAC systems and must also have at least one specialist certified in air system cleaning. If you are the owner of your home or building, it is mandatory to submit project drawings and specifications, approved construction revisions based on HVAC guidelines, or existing indoor air quality assessments or environmental reports for a particular home or building. The contractor must also remove visible surface contaminants from the HVAC deposit. The HVAC system contains all aspects of heating, air-conditioning, air grilles, air ducts, interior surfaces of the Air Handling Unit, mixing box, coil compartment, condensate  drain pans, humidifiers and dehumidifiers, supply air ducts, fans, fan housing, fan blades, air wash systems, spray eliminators,turning vanes, filters, filter housings, reheat coils, and supply diffusers. Exhaust and other ventilation components may also make up the cleaning system. It is important for the owner to identify the exact parts of the ventilation they need cleaning so that the contractor can meet the specific cleaning requirements. Before any cleaning begins, contractors will evaluate and assess the project site to determine what preparations will need to be made in order to effectively clean the ventilation system. The cleanliness of the air ducts and furnaces will be based on having no contaminants during the visual inspection, recleaning the surfaces if contaminants are found, conducting an NADCA vacuum test analysis, and restoring the coil pressure drop within ten percent of what the original measure was.

According to the Bellevue International Building Code Section 909.10.2 amended – Ducts, including shafts acting as ducts, the materials and joints must be able to tolerate temperatures and pressures that they are set in. Even though you may be having your ducts cleaned, it doesn’t hurt to have them checked to make sure that they are still meeting the code requirements. It may also be beneficial to perform leak tests on them to see if they are able to withstand 1.5 times the design’s greatest pressure. The leakage also cannot contain more than five percent of the design flow.

Whether you’re looking to replace your current air ducts and furnace or just have them cleaned, it may be beneficial to you or your company to make sure that your heating systems are up to date with the correct coding. If you are looking for other coding regulations for the Bellevue area, log on to http://www.codepublishing.com/wa/bellevue/html/Bellevue23/Bellevue2310.html#23.10.909.1 or http://nadca.com/sites/default/files/userfiles/NADCA_General_Specifications.pdf for cleaning and contracting purposes.