Feedback please.

HI,

We are looking for a design logo that can be used on our vans, letter heads, business cards, company tshirts, etc. We are really not set in stone, and are open for ideas. We would like something to look professional for the business of Plumbing and Heating.
S P H with a logo? The logo can consist of water and flame. We are open to any ideas, thus why we are looking for professionals to help create it.