Cotti - Johnson pricing is "EXCESSIVE". They appear to take advantage of people who have no plumbing or HVAC experience or knowledge. Note: They charge in the neighborhood of $115.00 just to provide a

They installed a new heating/AC system and overall the work was satisfactory. We have two problems: the thermostat they installed is off by five degrees and our doorbells have not worked since they wo

I needed my hvac system serviced. I called Cotti-Johnson. An extremely informative and friendly technician arrived and addressed what was wrong with the ac and fixed it. My ac is working perfectly now