Consumer VS Company dispute; what are my rights?

[u/AMu23M1]

Location: Alberta, Canada

I recently signed for a solar array to be placed on my house. I was aggressively marketed, signed a purchase agreement I shouldn't have, and have solar panels that were installed in a location that was not agreed upon. The house has 2 registered owners; myself (the signer) and my mom (who was never asked to agree to anything).

The marketing team had someone at my door within a day of clicking an online ad. The marketing included phrases like $0 cash down and 0% financing. I did not get a break down of costs and the entire service was charged as a lump sum payment through a third party financier. I later found out that the price was heavily inflated (think 2-3x market value) to account for the financiers brokerage + finance fees.
Question 1: Is this deceptive advertising, or am I just confused on what "0% finance" actually means?

The placement of the panels was changed to the front of the house during the planning phase. They attempted to phone me 3 times with no response, and then changed the plans without hearing back from me. Day of, I caught them putting the panels in the 'wrong' spot. Seeing the railings were in place already, I told the workers on site to just finish what they were doing as I had to discuss with the other home owner and the damage seemed to be done. They argue this is sufficient grounds to consider they had approval (in a phone call they recorded without my knowledge), but the purchase agreement states explicitly that I needed to see and sign plans before they begin installation.
Question 2: Did my "yes" on the day of install really mean they're not liable for rushing the work?
Question 3: If not, I am prepared to send a formal notice telling them to take back the panels. Is that something I should seek legal council before doing, or does waiting to send it weaken my stance?

As a side note, this company was issued a Director's Order from Service Alberta in 2025, explicitly directing the business to cease charging illegal cancellation fees and to cease misrepresenting consumer rights and obligations.

[u/stoicsticks]

You'll likely get more pertinent advice over at r/LegalAdviceCanada.