Passive House is a low-energy building which fulfills the following requirements:

1. The building annual heating/cooling energy demand as calculated with the Passivhaus Planning Package (PHPP2007) must not be more than 15 kWh/m² or to be designed with a peak heat load of 10W/m²
2. Total primary energy consumption (primary energy for heating, hot water and electricity) must not be more than 120 kWh/m² per year 
3. The building must not leak more air than 0.6 times the house volume per hour (n₅₀ ≤ 0.6 / hour) at 50 Pa(N/m²) as tested by a blower door 

Passive House standard has developed by German Passive House Institute in Darmstadt.
Estimates on the number of passive houses around the world range from 15,000 to 20,000. The vast majority have been built in German-speaking countries or Scandinavia.

Passive House advantages:

1. better indoor climate
2. even temperatures in the rooms (esp. near windows), no cold surfaces
3. no drafts in the rooms
4. no need of radiators, free interior design, high windows 
5. better sound insulation
6. until 10 times lower heating/cooling costs
7. small carbon footprint
8. independence of growing energy prices
9. until 30% higher resale value  
10. budget only 5 % higher 

Savenergy Ltd. Certified Passive House Designer gives Passive House consultation, performs Passive House calculations with PHPP2007 and designs Passive House heating and ventilation systems. We are able to do Passive House calculations for buildings located in any part of the world. 

Call +372 56 602 796 or send us e-mail: info@savenergy.ee
and ask quotation.

Photos: Villa Langenkamp, the first certified passive house in Denmark (Olav Langenkamp)