ADF01_24-37 1/29/08 12:04 PM Page 37
off too often, which increases the wear on the
equipment and decreases its life expectancy.
Too small, and the unit may not be able to keep
the property comfortable during both summer
and winter.
An added benefit of heat pumps is that they
can be used to heat swimming pool water. If a
swimming pool is planned into the design of a
property, heat pumps, either Ground Source for
indoor pools, or Air Source for outdoor pools, can
be up to four times cheaper to run than any other
heating method.
However, most heat pumps are fitted into the
homes as space heating, water heating and
cooling systems. It is only recently they have
expansion valve. The fluid changes from liquid better for the environment as when combined gained widespread popularity, due to rising fuel
to gas (evaporates) as heat is absorbed from with green electricity, they can contribute to a costs and the growing importance of
the heat source (ground, water or air). home becoming carbon neutral, thus ensuring sustainability in building design. Many building
This gas is compressed and creates very high the system doesn’t add any additional carbon designers are taking a lead in demonstrating
temperatures. This heat is then transfered into dioxide to the atmosphere. the importance of incorporating renewable
energy sources into new builds and
“Heat source as one of the most vital elements of a
renovations. The result is that for the first time
properties in remote locations are enjoying
building’s design” more affordable heating and hot water systems
that are more sustainable, low maintenance and
the heating system and hot water tank. One of the most important criteria when last much longer. As these homes are normally
Interestingly a heat pump can be used for choosing a heat pump is that it outputs the in areas of natural beauty, it is important that
cooling with the addition of a reversing valve correct amount of energy relative to the energy they have less environmental impact and heat
that reverses the direction of the fluid and loss from the home. Independent energy pumps enable them to do so. The fact that a
hence the direction of the heat transfer. assessors working with heat pump specialists can homeowner can produce a huge share of their
It should come as no surprise therefore that provide SAP calculations to ensure that the best home’s energy needs from the air, land or water
heat pumps are much more affordable to run system is specified to meet your requirements. around their home ensures heat pumps remain
than traditional heating systems. The main Generally heat pumps should be sized to ensure the ultimate guilt-free and sustainable heating
reasons heat pumps are seeing rapid growth for long run times on the compressors. A heat pump method for the future.
self builders and renovators is that they are much that is too large for a property would cycle on and 186
187 188
www.adfonline.eu www.adfonline.eu
See inside back cover for Reader Enquiry Card or go online:
www.adfonline.eu
37
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52