This page contains a Flash digital edition of a book.
The certified ventilation con- troller checks:

› Operation and maintenance instructions

› Measurement methods › Air change and humidity

› Fans and air handling units, re- circulated air

› Deposits in ventilation duct- work

› Radon and air noise › User viewpoints

› Suggestions on energy effi- ciency measures

National websites:

› Boverket › SWEDAC › Swedish Energy Agency

› Environmental Protection Agency

› Get energy Smart

ger than 1000 m2 and all rented buildings such as offices, dwellings, malls etc. are required to prominently display an energy certificate visible to all the users of the building.

Certificates are based on operational ratings, and must be renewed every 10 years. Certificates from the compulsory ventilation checks (OVK) must be renewed every two, three, six or nine years, depending on building and the type of ventilation system.

Both the energy declaration and the OVK-certificates must include a list of recommended energy improvement measures.

Qualified Experts

There are two ways of qualifying for carrying out energy declarations in Sweden. One is being a representative of an accredited company, Accredited bodies "Independent Expert", the other is to apply for qualifica- tion when fulfilling the regulation of any other country within the EU or EAS area. Accredited Independent expert is accredited with the accredita- tion standard ISO/IEC 17020.

Within an accredited body, at least one person with a supervisory function is to be certified as an energy expert according to the regulations BFS 2007:5 on energy experts from the National Board of Housing, Building and Planning. Experts are divided into three categories: Normal, Qualified or Air conditioning depending on the type of buildings under their control. All three categories must have a relevant recognised technical education with at least five years of experience. The certification is carried out by an ac- credited certification body. The qualified experts must pass a demanding exam that evaluates their knowledge about the technical requirements of the building regulations and the details of the certification system itself

accredited bodies, "Certifying companies".

The training of qualified experts is in the open market. The Certification of the Experts is valid for 5 years, and it is subject to renewal pending proof of continued training and lack of malpractice.

So far there are four bodies accredited to certify energy experts and about 527 experts certified and registered on the website of Boverket. By June 2008 there about 205 offices were registered as Independent experts on the website of the Swedish accreditation body.

Quality control

The quality of the certificates will be controlled by periodic checks on the work of the qualified experts. At least once a year, each Independent ex- pert (a company) will be audited by SWEDAC to evaluate its correct use of methodologies and tools. This control will be financed by a fee paid for accreditation.

Inspection of air conditioning

This folder (Energy Declara- tion a good investment in Swedish you can find on this link at the webpage of Boverket:

http://www.boverket.se/upl oad/publicerat/bifogade%20fi ler/2008/edekla_en_klok.pdf

Inspections of air-conditioners are covered by the energy declaration of buildings regulations. The air conditioning system’s efficiency is audited by checking whether the installed cooling effect correlates with the designed cooling need. If there is a marked difference the assessor must suggest measures for improving the efficiency of the system, either by modernisa- tion or replacement of parts, or by replacement of the whole system. Ac- cording to the compulsory ventilation checks, energy efficiency improve- ment suggestions are a required part of the auditing, once every 2, 3, 6 or 9 years.

Indoor Air Quality

The building code also specified stringent indoor air quality requirements

EPBD Buildings Platform > P82 Sweden-June2008

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