We believe that the most ecological and possibly THE ONLY SUSTAINABLE SOURCES of heat for a house now and in the future are sun and bio-fuel. Solar collectors for heating the tap-water and wood- pellets or other bio-fuel for space heating. (except for passive houses that need practically no space-heating at all!)
Examples of combination of systems
1) Ventilation heat-recovery system & solar-collectors.
In a balanced ventilation system the old air is extracted from the “dirty“ rooms - kitchen, bath and laundry, and fresh pre-heated air is distributed through a duct system to all “clean” rooms. A small built in electric heater provides additional heat to the fresh air if required.
a) This system can be combined with other methods for space-heating and tapwater-heating such as Solar-panels, solid fuel stove, electric floor-heating, or any other system.
b) It is recommended for passive houses that need practically no space heating. It should be combined with solar-collectors for heating of the tap water.
c) It can be used in any house provided it is possible to install ducts to all parts of the house. Keep in mind that this is a ventilation system - there must be some heat to recover in the house for the system.
3) Micro heatpump running on exhaust air from house & stove.
- The unit extracts stale warm air through a simple duct system from bath, kitchen and laundry.
- The heat in the old air is amplified in the heat pump to heat the tap water.
- The fresh air supply comes in through ventilation-slots in the windows of every other room in the house.
- The space heating is provided by a solid fuel stove.
- If the house is small and well insulated and small amount of hot tap water are acceptable; the micro heat-pump can be used for floor heating pipes as well.
a) For older houses with no ventilation system and need for plenty of hot water. Eliminates the need to run the oil heating in the summer months for hot water.
b) Simple installation with a minimum of ducts. The space heating is dealt with separately.
2) Ventilation heat-recovery system & micro heat pump.
- This combination provides the comfort of a balanced ventilation system serving all rooms and large amounts of hot tap water.
- The small heat pump replaces the regular electric water-heating tank. It produces hot water with a fraction of the energy needed.
- It takes air from the exhaust side of the ventilation-heat-recovery unit.
- Additional space heating can be provided through a solid fuel stove and if needed electric floor heating cables.
4) Air-air heatpump & solar collectors for water.
The quick fix solution in many situations - cheap to install and to run.
A simple air-air heatpump is heating the air in a central all or in a large open area in the house. The warm air spreads around the house if the doors are left open.
This type of heatpump combined with solar collectors for the production of hot tap water can provide an energy efficient system in a house with open plan. Please keep in mind that an air-air heatpump is not providing any ventilation of the house. You still need either holes in the walls (passive ventilation) or a ventilation system with heat recovery.
PLEASE NOTE THAT SCANDINAVIAN HOMES LTD. WILL PROMOTE THE USE OF:
WE DO SELL:
- SUPER PASSIVE HOUSES
- PASSIVE HOUSES
- LOW-ENERGY HOUSES
- VENTILATION-HEAT-RECOVERY UNITS
- SOLID FUEL STOVES
- AIR-AIR HEATPUMPS
- METRO WATER-HEATERS
- SOLAR COLLECTORS