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Vitodens 100-W - our best selling gas condensing boiler
The Vitodens 100-W (M) gas condensing boiler also makes for an ideal replacement for older boiler systems in property modernisation and renovation projects. Using a Viessmann combined flue system (CFS) means numerous boiler flues can be routed up the riser to one roof termination point.
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Natural gas boiler and combination heating and hot water
Replace your old natural gas boiler with an eligible ENERGY STAR ® boiler and you could qualify for a $1,000 rebate. Replace your old natural gas space heating system with an eligible combination heating and hot water system and you could qualify for a $1,500 rebate.. Before beginning work, make sure you qualify for this rebate by reviewing the Program Rebate Requirements, as outlined in the
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What is the Cost of (Ground & Air-Source) Heat Pumps
Mar 31, 2021 · For example, a ground source heat pump can reduce energy bills by at least 26% compared to a new gas boiler. Some of the key factors affecting the running costs of domestic heat pumps are: Coefficient of Performance ( COP ) - with typical values of 3.5 to 4.5 (ground source heat pumps) and 2.5 to 3.5 (air source heat pumps), it can save up to
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