I have not at all been pleased with my experience with Cota's Comfort, and if I could give them even fewer stars, I would. They deserve none. They deserve negative stars. They've had to return, repeatedly, for our HVAC unit, ever since we first hired them, and every time they come back we're charged more money for repeated cleaning on parts of the unit that haven't necessarily even been used since last we called them out to have them fixed. It's recurringly expensive without any proof of the problem being fixed and I would recommend that everyone else hire a different company, if you actually want your HVAC units actually fixed. Cota's Comfort wants a credit card upfront, before work is done, and has repeatedly charged me for "cleaning" that supposedly fixes the problem in the machine but then needs to redone a mere half-year later. They're very expensive and I don't trust them at all.