Rebranding for an existing HVAC company

Esto es lo que Chauffage Climatisation Crystal buscaba en su logo design

We need a logo rebranding for a company in Quebec Canada that sells thermopumps (A/C and heating units). The name of the company is Chauffage et Climatisation Crystal Inc. The current logo is outdated, gives off superman retro vibes (see current logo attached). We want something more simple/ minimalist / modern/ natural looking/ designer home decor vibes. The colors red and blue are often used in HVAC company logos to indicate the hot and cold, but we are open to stand out of the crowd with different colors, maybe more neutral.
Since the company name is Crystal, we were thinking that having a crystal at the center of the logo is relevant, maybe not diamond shaped like the old one though.
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