Gavin Millar of BPC Ventilation chats through the benefits of heat pumps and MVHR, including:

-   What is mechanical ventilation with heat recovery (MVHR) and is it worth the money? What are the benefits?

-   What are heat pumps and are they worth it? What's the payback?

-   Why are heat pumps and MVHR more efficient than traditional systems? How much more do they cost?

-   How much more do they cost?

-   Should settings on ventilation systems be adjusted according to the outside temperature, e.g. summer, winter?

-   Which ventilation system is best for an ICF house?

-   Are MVHR units noisy?

-   Energy upgrades: the case of changing a 1950s house from oil heating to air to water, is that the best option?

-   Is it efficient to mix underfloor and radiator heating?

-   Can one heat pump be used for two buildings?

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