The radiant heat is likely controlled by a line voltage thermostat, meaning the thermostat controls the high voltage (likely 240v) directly to the radiant heaters.

Then, asking for my "fee," which (because I am dual broker) is significantly less than a typical "retail BIg Box realtor," was the easiest thing to agree to.

However, she is insisting on dual agency for liability purposes. 

Thank Dan and Upen.I am filing uk taxes for Usa purposes - dual taxation treaty.

You could ask the seller's agent (if Dual Agency is allowed in the state you're in, in IL it's allowed but you would need to sign a written disclosure).

I did a dual degree in mechanical engineering and social science so it's possible I took one of your father-in-law's classes but probably unlikely.  

Only the frame holding the glass is replaced - - it's called a Z-bar frame.If you're doing replacements, by all means upgrade to dual-pane, E-glass and make your investment worth the time and effort.

The two largest brokerages in the metro area have a policy not allowing their agents to act as dual agents even in the jurisdictions where it is legal to do so.

Hope you are not considering DUAL AGENCY (Its legal in VA.

I work very hard to make these guys as much $$$ as I can and rarely will I enter into dual representation on a transaction.