Green offers

At Tandem our mission is to make our customers’ lives more sustainable and affordable with our carefully curated offers and benefits. Check out our latest offers.

Your rating

Check your home's energy rating

Use our helpful tool to find out your home's energy rating and see if it can be improved.

Energy Rating
current
potential
(92+)
A
54
75
(81-99)
B
54
75
(69-80)
C
54
75
(55-68)
D
54
75
(39-54)
E
54
75
(21-38)
F
54
75
(1-20)
G
54
75
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